The Doctor Kit
By Pussywillow
m/gg, inc, rom

Disclaimer: This story is just the figment of the imagination and contains depictions of sexual encounters between children. If this type thing bothers you then you should stop reading now. However if you recognize the beauty of such loving and consensual relationships, then read on and I hope you enjoy.
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What would you do if you found out that you were wanted as stud service by two younger girls who had developed hot pants, and one of them just happened to be your own sister?
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Chapter 1
This is a story about what happened to me way back in the fifties. I was around thirteen when it started, and I found it amazing on how the interests of children differ from the way adults think they should be. Most people look upon little girls like they were just sweet innocent little things that would never think about being anything other than just angelic, but don’t worry, they too have inner feelings and thoughts that would really make you blush if you just could read their minds.
It was Christmas day, when we had just finished our late breakfast or early lunch; whichever way you looked at it. We had spent the whole morning opening all sorts of presents and playing with them. 
Then, all of a sudden, the doorbell rang. As I opened the door, I saw Greta, from across the street, standing there. 
She’s the same age as my sister, Amy, nine years old, and I noticed that she was holding a case of some sort in her hand when I heard her ask, “Is Amy in?” Dumb question I thought as I called, “Amy, the little brat from across the street wants to play with you.” 
In a moment, Amy was at the door, and said, “I don’t care if you don’t like her. She’s not a brat. She’s Greta, and she’s my best friend.” 
Just then, Greta looked at me and I saw her smile very pleasurably as I heard her reply, “Hello Mike, didn’t you have a good Christmas?” 
I then watched the two of them as they continued on into Amy’s room.
Being a thirteen-year-old boy, I knew I really wasn’t interested in these two little girls. All they ever did was get together, talk girly stuff, and play around with their dolls and stuff. Heck, I was more interested in going to the park and playing baseball with the guys, or working on my model airplanes. 
The only girl that I thought I was really interested in was Mary down the street. She’s in the same grade as I am at school, and, I guess, around the same age as I am also, and I also believed that she’s, without a doubt, the prettiest girl that I ever saw. But, of course, she’s never even bothered to look at me, much less than being friendly. Heck, every time I saw her, I would call to her and try to be friendly with her, but then I’d watch as she would stick her nose up in the air and walk off.
A little while later, as I happened to pass Amy’s room, I noticed that the door was ajar. So, just out of curiosity, I peeked in and saw that they were sitting on the bed playing with what appeared to be a doctor’s set. That was when Amy saw me, and I heard her call, “Oh Mike, Greta’s got a doctor’s set for Christmas, and we were taking each other’s temperature and listening to our hearts. Come on in so we can listen to your heart.” 
As I stood there, I thought to myself ‘Oh what the heck, it’s too cold out in my shop to do anything, and none of my friends are available at the moment, and I couldn’t think of anything else to do.’ So just to appease them, and make them happy, I went on in and sat down on the bed next to them. 
Of course, they had to take my pulse, listen to my heart, stick the thermometer in my mouth, and take my blood pressure. At their urging, I then, very reluctantly, did the same for them. 
I wasn’t really a bad guy, it was just that my interests just didn’t center around these two small girls as I usually had better things to do than to play with them. But with nothing else to do at the moment, I did find them quite friendly to me as we played with Greta’s doctor set. But I also noticed a real funny feeling inside of me that sort of disturbed me as I played with them.

Chapter 2
It was about three weeks before school let out for the summer, that Greta had a birthday party, and guess what! She invited both my sister and me. 
I could never understand why in the world she would ever invite me, but she did. I didn’t really want to go. But after the urgings of mom, I finally went. Mom even bought a present for me to give to her.
I found that most of the kids there were from her class, but some of them were relatives. Since I was the oldest and one of the only two boys there, I really did feel quite uncomfortable and quite out of place with all of these small girls running all around, but somehow, I managed to grin and bear it. 
During the party, her mother had been talking with me, and mentioned that Greta really liked me because I was so nice to her. Who me? Nice? to her? Why I just couldn’t believe it.
Nice? I thought that I was just tolerant. But I knew that I would rather mow the lawn, or take out the garbage than play with her. But since she was my little sister’s girl friend, I guess I did try to be nice to her once in a while.
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I guess that I was around ten when I got interested in building model airplanes. Then, as my hobby expanded, I found I needed a place to build them other than in my bedroom. I knew that there was a storage room out behind the garage that came with the house when dad bought it when I was just a little kid. So, with dad’s permission, I cleared out some of the stuff, and rearranged it. When I was through, I found that I had a fairly decent looking shop with even an old kitchen table for building my model airplanes. There was also an old steel army cot out there with a mattress to go with it. So I unfolded it so that I could sit on it, or I could even sleep on it whenever I wanted to. It also served as a place for my friends to sit on whenever they came over.
On this particular day, I was messing around with an airplane when I saw Greta open the door. “Do you know where Amy is?” 
I just gave her a glance and quickly replied, “No. But I think she’s out with mom shopping.” 
But then I saw her come on in anyway, and even looked like she was actually interested in what I was doing. 
As she stood there and watched, I heard her ask me several questions, and, of course, out of courtesy, I answered them. 
But then, I was now really quite surprised that she was so interested in what I was doing, and I now even started to view her in quite a different light as I started to be even more friendly with her. 
Then I heard her comment on how nice my airplanes looked, and, of course, I thanked her. 
I was just starting to sand down a fuselage that I had just cut out of a block of balsa wood when I heard her ask, “Can I do that?” 
Heck, I couldn’t see any reason why not, so I gave her the block of wood and sandpaper, and watched as she tried to sand, but I saw that she was having trouble. So I got her up on my lap and held her there with my hands around her middle so that she would stay on my lap without sliding off as I showed her how to sand the wood. 
As she sat there on my lap and sanded, I gradually felt a real funny feeling come all over me, and that’s when I felt my dick actually start getting hard as I suddenly realized that I was now actually secretly enjoying holding this small girl on my lap. 
Because I had to reach around her every so often to show her how to do something, she would nestle up against me, and after I got through showing her how to sand certain places, I had to keep my arms wrapped around her to keep her from sliding down as she continued sanding, and that’s when I realized that having this real feminine little girl on my lap was really turning me on. Why just feeling her little girl femininity against me was actually making my dick grow harder and harder as I felt myself getting more and more sexually excited while I continued rubbing my hands all around on her body, and they soon migrated on up to her chest for a moment before I heard her giggle and say, “I’m sorry, but I still don’t have anything up there yet silly.” 
But then I watched as she put the model down and placed her hands on the back of my hands anyway while I let my hands continue to slowly roam all around on her chest.
Wow! She seemed so content with what my hands were doing to her that she stayed on my lap for quite a while before I heard her ask, “Mike, would you like to play doctor with me?”
I don’t know what ever came over me, but at this point, I felt like I was now willing to play most anything with her as I replied, “Sure, why not.” 
She then slipped down off of my lap, and went over by the door where she had placed her doctor set, picked it up and handed it to me as she said, “Why don’t you be the doctor.” 
So I replied, “Okay,” as I took the case from her. 
I then heard her giggle as I heard her say, “I’ll be the patient, and you can examine me.” 
But then I realized that I just stood there because I really didn’t know what in the world to do. So I heard her say, “First, you have to take my blood pressure, and then you have to take my temperature.” 
I watched as she sat down on the bed while I dug out the blood pressure thing, and put it on her arm. Then, after I played like I took her pressure, I took it back off of her arm and put it back in the case as I found the thermometer. 
Then, as I started to put it in her mouth, she stopped me. “No. We have to do it like they do at the real doctor’s office. I have to lie down on the bed, and then you have put it in my bottom. That’s the way they did when mother took me to the doctor’s last week.”
Oh wow! I suddenly felt a real weird glow go all through me as I watched while she laid down on the bed on her stomach. Then I said to myself, ‘Good grief, what did I get myself into.’ But then I heard her say, “First, you have to pull up my dress.” 
Pull up her dress? Why in the past I would have gotten slapped across the room if I had even dared to think of doing anything like that! 
I now felt like I had butterflies in my stomach as I reached down and carefully pulled her dress on up, fully expecting her to scream holy bloody murder and bawl me out at any moment. But I finally got it pulled way up above the back of her white cotton panties as I now looked at her lying there with the back of her panties now fully exposed to me, and that’s when I heard her say, “Now you have to pull my panties down.” 
As I looked at her and her panties for a moment wondering if I had really heard her right, I heard her say again, “Come on, you have to pull them down silly. You can’t stick the thermometer through my panties” 
Suddenly, I realized that what I was about to do was what I had always dreamed of doing, but never dared to even try. 
My gads! I thought that one of my favorite wonderful sexual dreams was actually coming true as I felt myself actually grasp the tops of her panties.
I then saw her lift her little butt up a little to help me as I went ahead and slid them on down and off of her bottom. But, when I got them on down to around her knees, I heard her suddenly say, “That’s far enough.” 
By now, my dick felt like it was about to tear itself out of my trousers as I gazed at her laying there with her now completely naked little bubble butt completely exposed to me. Why I had never seen a little girl’s bottom naked before, and to me, it looked real nicely big and round. 
Then I heard her say, “Now take the thermometer, and stick it in my butt.” 
By now I felt like I was now moving as if in a fog as I sat down on the edge of the bed and picked up the thermometer and dipped the end of it in the small jar of lubricant that she had there. Then I carefully spread her bottom cheeks apart, and stared at her butt hole for a second before I wiggled the thermometer around and managed to insert the thermometer on into her. 
I heard her giggle as I did that, and that’s when I heard her say, “Oh, that feels really funny. Now move it all around and in and out.” 
As I did that, I then heard her say, “Keep on doing that, it makes me feel real funny down there when you do that.” 
As I kept on running the toy thermometer in and out of her butt, I could feel my own raging hard dick inside my pants, and that made me suddenly think about how nice it would be to actually stick my dick in there instead of the thermometer. 
But then, my dream was suddenly shattered as we heard her mother calling her. So I quickly took the thermometer out of her butt just before she jumped up and pulled her panties back up, and ran out the door.
After she left, I just sat there as I felt my whole body just shake with a sexual excitement that I had never known before as I continued to daydream about what I had just done to Greta. 
I was now so hot and shaking from the incident that I quickly pulled down my pants just before I sat down on the edge of the bed and stroked myself off. At least that afforded some release from all of the pent up sexual feelings that had suddenly been built up inside of me.

Chapter 3
Over the next couple of days, I could not keep from thinking about what Greta and I had done. I knew that I really wanted to put my dick into that real nice plump round bottom of hers, and from the way she acted during that incident, I was now reasonably sure that she would be back to have me do that to her again. Also, I had realized that it wasn’t just the thermometer that she wanted in her butt, and I believed that she would have been much happier with something just a little larger around than that skinny little thermometer of hers. So I formulated a plan. 
I knew that down at the hobby shop, they had different sizes of plastic rod, and I also knew that if I could stuff a fair sized piece of plastic rod up her rectum, she would probably like that a whole lot better, and I might even have a chance of even getting my dick in there also.
As I was inside the hobby shop, I selected a size that I thought was suitable, and purchased it. When I got home, I cut it to length, rounded one end of it, and polished it up real smooth. I also snitched the jar of vaseline out of the medicine cabinet to lubricate it with so that it would go into her butt easier.
Several days later, just as I had suspected, Greta came back into my workshop, and, as usual, I was working on an airplane. But then I saw her just stand there, and giggle. From her actions, I pretty well knew just what she wanted, so I asked, “Will your mother be calling you again this time?” 
“No, she went shopping and won’t be back for at least two or three hours.”
I watched as she went back over and closed the door. Then I watched as she slipped her panties off and put them down at the end of the bed. After she did that, I heard her say, “I want you to take my temperature again.” 
So I replied, “Sure, I’ll be the doctor and I’m going to give you a real good examination. Now lay down on the bed so I can take your temperature.” 
I saw her look around the room before I heard her say, “Oh oh, I don’t know what I did with my doctor kit.” 
I just replied, “Oh, I put it right over there. But I have another thermometer that’s bigger than yours. Do you want me to use it instead of your smaller one?” 
I then held it up for her to see, and I heard her reply, “Oh yes, all right.” 
After she laid down on the bed, I lifted her dress up as far as it would go, and there, staring at me again, was her big round beautiful butt. So I sat down on the edge of the bed, put a little Vaseline on the rod, and then very carefully inserted it into her anus. 
While she felt it go into her, I saw her squirm around a little while I heard her giggle and say, “Oh, that’s a lot bigger than my thermometer.” 
Pretty soon, I had the rod about six inches into her, and I actually heard her moan as I slipped it in and out of her. Then she said, “Oooo, that one feels so much better than my thermometer.”
Why, I just couldn’t believe this little girl, she really seemed to be having a lot of fun from my sticking that plastic rod up her butt. 
I guess that I had been doing that to her for several minutes when she decided to get up on her knees and raise her but up in the air, and I noticed that lifted her bottom way up in the air while she still had her head down on the bed. 
With her now in her new position I realized that I could actually see the very back of her pussy. But I didn’t dare touch her there for fear of her getting mad at me.
So I watched as she rocked back and fourth in that position, making very contented moaning sounds as I continued to fuck her butt with the rod.
As I was doing that, I was now very seriously thinking about sticking my dick into her bottom. So I asked, “How would you like me to put something just a little bigger into your bottom?” 
I heard her giggle as she replied, “I don’t know, but you can try if you want to.”
That was all the encouragement I needed, so I got up on the bed and maneuvered myself around in back of her so that I was in a position where I could actually stick my dick into her. I then managed to free my raging hard-on from my pants. I wished that I could have shoved my pants down, but with just one hand free, I just couldn’t do it. But I did manage to put some vaseline on the end of my dick so that it would slide in a little easier. 
Then, when I was ready, I removed the rod and replaced it with my hard dick as quickly as I could. 
As I rammed my hard dick against her anus, I heard her say in a concerned voice, “What are you doing?” 
As I tried to work my dick on into her, I replied, “Just go ahead and relax and everything will be all right.” 
By that time, I could feel my dick gain some headway, and as I kept working it on in, I finally felt my dick slide on into her anus, and as I was getting it in more and more, I heard her say, “I don’t know what you’re doing back there, but whatever it is, it feels a whole lot bigger than what you had in me.” 
So I asked, “Does it feel good yet?” 
“I don’t know, but it feels awfully big though.”
Finally, I had my dick in about as far as it would go. So I put my hands on her naked hips, and started to work my dick in and out of her as I felt the opening of her anus start relaxing more and more. 
Pretty soon, I realized that she was starting to feel pretty darned good on my dick, and I even heard her comment, “I don’t know what you put in me but it feels really real good now. Oooooooo, Don’t stop!”
Good lord! She really didn’t know that I was actually fucking her butt with my dick, but then, she said that she was really enjoying what I was doing to her though. 
But all too soon, it was starting to feel really real good to me, and as I kept on sliding my dick in and out of her butt, I was starting to feel that real great feeling coming on inside my dick, and all too soon, I felt myself go right on into a real fantastic climax as I felt myself explode all of my cum right into her butt. 
I had been able to ejaculate for about six months now, and OH WOW! That was the best that I had ever felt, and that’s when I realized that it felt a whole lot better than if I had done it with my hand. But then I heard her say, “I think I felt something squirt into me.” 
Of course, my dick didn’t deflate, and as she still kept herself in that same position, I kept on very joyfully pumping her as I heard her continue to make more and more little moans and noises that assured me that she was probably enjoying this as about as much as I was. 
The cum that I had shot into her was now making her hole a whole lot slicker, so it wasn’t long before I felt that real great feeling coming on again, and again I felt myself go into another real awesome climax and explode all my cum into her again. I guess she could feel my cum shoot into her because I heard her say, “Ugh, ugh. What are you squirting into me?”
Oh Good Gosh! Oh, how I was now really enjoying this with my dick inside Greta’s little bubble butt, and my hands were actually grasping her bare hips helping to move her back and fourth against my dick. 
By now, her rectum had become a real slippery place from all of my cum as I realized that it continued to feel even better and better. 
As I kept on pumping, I soon felt that real fantastic feeling come over me once again, and I felt myself literally explode into her for a third time. But, as I continued on pumping, I realized that my dick and balls weren’t feeling so good anymore, and my dick soon deflated.
As I watched my dick slipping back out of her anus, I watched as a whole bunch of my cum came streaming out. So I reached over and grabbed an old t-shirt that was lying there, and tried to wipe up all of my cum. 
As I was trying to clean up her ass, the fingers of my hand just accidentally touched down under her anus, and I felt her jerk, and then moan as I realized just where my fingers had migrated to. 
Because of her reactions to my fingers, I kept on rubbing my fingers in that area, and I soon realized that I actually had my fingers right against her pussy, and as I felt my middle finger go in between the lips of it, I kept on rubbing my middle finger back and forth in that warm wet trench of hers as she still kept her bottom up in the air with her head still lying on the bed. 
Wow! She sure looked like she was really enjoying what my fingers were doing to her, and of course, I was also really enjoying all the wild sexual sensations I was getting from actually being able to rub my fingers right against her most private area – her pussy. 
Because she didn’t try to stop me, I kept on doing it, and pretty soon, I heard her moan real loud just as I felt her whole body just freeze up for a moment just before I saw her slump back down on the bed. But I finally got scared and took my hand away. 
As she just laid there, I put my dick away, and zipped up my pants. 
I then sat back down on the edge of the bed and tried to comfort her. But then, I saw her start crying. So I asked her what was wrong, but she wouldn’t answer. So I then picked her up and sat her on my lap and tried to comfort her. But she kept on sobbing, and soon wrapped her arms around my neck, and hugged me real tight. 
For some reason, I realized that I was now really enjoying having her on my lap, as I kept on hugging her to me. 
After a while, I noticed that her sobbing had finally stopped as she continued to just lay there against me. 
Soon after that, I heard her whisper, “I know what you did to me. You went and put your pee-pee in my butt didn’t you, and then you went and put your fingers right on my pee-pee….. OH, OH! I have to go to the bathroom!” 
Since there was no one home I led her on into the house and to the bathroom. 
While she was in there, I went ahead and cleaned up my dick and washed my hands. But she was in there for a while before she finally came back out. 
When she finally came out of the bathroom and saw me, she looked a little panicky as I heard her exclaim, “ I forgot, I don’t have any panties on. Where are my panties?” 
So I just nonchalantly replied, “Oh, they’re out in my shop.” 
As we walked back out to my shop, I heard her say, “Oooo, it feels real funny walking around without any panties on.” 
But then with her short dress covering her, I believed that no-one could ever tell if she didn’t have her panties on without actually lifting her dress up.
When we got back into my shop, I just stood there and watched as she put her panties back on and left. 

Chapter 4
I continued to see her playing with my sister several times since then, but then, I noticed that she didn’t pay too much attention to me as we went our own ways.
Then about three weeks later when my sister was out shopping with mom, I again found myself all alone in my shop while building another airplane when I heard the door open. 
When I looked over towards the doorway, I saw Greta standing there, and I saw that she had a big smile on her face as I heard her say in a very coy voice, “I really liked what you did to me when I was over here last time. Would you like to do it again?” 
I was really quite surprised to even see her again much less hearing her asking me to sexually play around with her some more. So I replied, “Sure, how long can you stay?” 
“As long as last time.” 
I dropped the piece that I had in my hand, and as she came over and got up on my lap, I realized that I now really loved the feeling of having her real feminine body on my lap, and I was now getting quite sexually excited about what we were soon going to be doing. 
As I hugged her to me, she gave me a kiss, and giggled. So I kissed her back. Then she put her arms around my neck. It felt real funny for me to be kissing a little ten-year-old girl. But what the heck, she was really a real pretty ten year old, and although she still didn’t have the curves of a girl my own age, I thought that she was still all girl.
From what I had done to her last time, I felt that I could now take certain liberties this time. So, as we were kissing, I snuck my hand up her leg until my hand was actually resting right on her panty-covered crotch. 
To my surprise, instead of yanking my hand away, I felt her actually spread her legs apart and start kissing me even harder. Then I heard her say in a whisper, “I really liked what you did to me last time. Come on and take my panties off.” 
I couldn’t very well slip them off of her with her sitting on my lap. So I had her stand up. 
Then, as she stood there before me, I got on my knees, reached my hands up under her dress, and, as I slipped down her panties, I felt that the dream of my life had suddenly become a reality. I’ve always wondered what it would be like to take a little girl’s panties off, and now I found out. Oh wow! Was that exciting! 
Then I thought; while she’s standing there, maybe I could remove her dress also. 
So I stood back up and started to unbutton her dress. To my great surprise, she didn’t even try to stop me, and pretty soon, I was actually slipping it on up over her head. 
As I laid the dress down, I thought, ‘Wow, this is the first time that I had ever seen a girl naked before.” 
Yeah, I had seen my sister with just panties on many many times in the past, but never naked. Then I heard her say, “Now that you’ve got me naked, you have to get naked also.” 
As her request sunk in, I realized that normally I would never even think of taking my clothes off right in front of a girl. But, now that she was standing there right in front of me stark naked herself, I suddenly realized that I now no longer felt a bit shy now about removing my own clothes right there right in front of her. I guess that maybe it was because of our past activities, and the excitement of what was about to happen that made me take off all of my clothes off right there right in front of her. 
When I had finally removed my underpants, I saw her just stand there and stare at my big hard dick as I heard her say, “So that’s what you put up my butt last time. But after you finally got it in, it really did feel awfully good.”
We both went over to the bed and laid down as I realized that my dream of a lifetime had just come true, and I now felt that I was now in sexual seventh heaven as I fingered her pussy while I felt her small hand play all around with both my dick and balls. Pretty soon, I saw her look real serious as she reached down and adjusted my fingers as she whispered, “Do it this way,” and then I felt her put her arms back around my neck as I continued on fingering her pussy for her. I guess she must have had her legs spread out about as far as she could get them, and soon, I felt her arms tighten around my neck as I heard her say, “Oh – oh – oh,” over and over just before I felt her whole body just seemed to freeze up for a few seconds, before I felt her slowly relax again. 
I did that to her twice more before she finally removed my hand, and said, “Now I want to play with you.” 
I watched as she got up, and sat down on her legs right next to me as I both watched and felt her playing all around with both my dick and balls. Wow, just watching and feeling her doing that to me felt utterly fantastic as I thought that I was now in sexual heaven. Then, as I continued to watch her hands roam all over my genitals, I heard her ask, “What was all of that stuff that you went and squirted into me?” 
To answer her question, I got up and sat on the edge of the bed, and grabbed an old t-shirt, and then I showed her just how to stroke my dick.
As she sat beside me, stroking my dick, I felt like I was even further in sexual heaven watching her little hand actually moving back and forth on my hard dick. Why it felt so good that I even wrapped an arm around her and held her tight against me as I felt her hand continue stroking my dick. 
Soon, I felt those sexual feelings start welling up inside of me, and all too soon I felt them get so great that I finally went right into a climax, and I just sat there and watched as all of  my cum literally exploded out over and over again which I caught in the old t-shirt. But she continued on stroking anyway until I finally took her hand away. 
As she looked at the whitish liquid that I had just shot out, I heard her ask a whole lot of questions, which I tried to answer.
About then, I had a great urge to look at her pussy. I knew that I had actually seen some of it, but not really all of it because most of it was hidden in-between her legs, and I really wanted to see what it all really looked like. 
When I asked her, I heard her giggle as she laid down on the bed and spread her legs real wide for me. 
After I knelt down on my knees, I realized that I could now see all of her small bald pussy, and as I started examining it, I was really quite amazed on just how nice and pretty and sexy it seemed to be. She then tried to explain all the different parts of it, and what they did. But later on, I realized that she really didn’t know much more than I did.
As I gazed at it while rubbing my fingers all over it, for some reason, her pussy looked so sexy and delicious to me that I felt a great temptation inside of me to actually kiss it. I don’t know why I wanted to, but somehow it seemed to draw me just like a magnet, and all too soon I felt that temptation get so great, that I finally asked, “Can I kiss it?” 
I heard her giggle as she replied, “I don’t care. I guess that you can kiss me there if you want to.” 
I then repositioned myself, and, as I got my head positioned, I felt a great wave of sexual excitement go all through me as I thought to myself, ‘O-migosh, here I am, about to put my mouth right down on her most private area – her pussy.’ 
As my lips touched, I just opened my mouth, and ran my mouth and tongue all over it. Of course, I quickly found out that it really didn’t have any particular taste, but it was all of the sexual excitement that I felt inside myself that drove me on to keep on slurping my mouth and tongue all over it more and more. 
As I looked up to see how she was reacting to what I was doing to her, I saw that she had her eyes closed with her arms thrown back over her head. 
Then, as I continued to run my mouth and tongue all over it, I felt like I was caught up in a real fantastic sexual frenzy – never dreaming that I would ever be doing something like this to a little girl. 
I soon found a little protrusion sticking out towards the front of her pussy (what I was to learn later, was her clit.) As I ran my tongue all around it, I felt her gyrate all around, and whimper all the more, and from the way that she was reacting, I then sucked it up into my mouth, and ran my lips and tongue all around it, and soon, I heard her moan as I felt her actually lift her bottom off the bed and freeze right on up into an orgasm. She must have kept herself like that for several seconds before I finally felt her gradually slump back down again. That’s when I heard her say, more like in a moan, “Oh, do that again.” So I kept on sucking on her clit and doing everything I could think of with my mouth to try to make her feel real good down there again. Then, as I heard her whine a bit more, I felt her freeze up again. 
As I felt her recover, I realized that I could now hardly breath and my tongue felt like it was now about to drop off from all the work it was doing. So I very reluctantly lifted my mouth away from her pussy.
As I sat back up and looked at her, I noticed that she looked just like she was asleep. So I reached over, and took her up in my arms and put her in my lap. I then felt her wrap her arms around me and just stay in my lap for a long time before she finally perked up, and that’s when I heard her say, “Why don’t we do what you did to me last time?” 
“You mean, put my dick into your ass again?” 
“Uh huh, I really liked that.” 
I really couldn’t believe that she really liked it because of the way she had cried the last time she was here. But I got her positioned on the bed with her bottom up in the air just before I said, “First, I’m going to use the rod, and then when you’re ready, I’ll go ahead and stick my dick into you. 
I heard her giggle and make some funny noises as I worked the rod on up into her ass. Then, when I thought that she was loosened up enough, I took the rod back out and inserted my dick. I guess it took me a minute or so before I had her loosened up enough, and as I started fucking her ass. I asked, “Do you like it now?” “Oooo yes, it feels real funny and gooooood.” 
I was now really having the fun of my life as I watched myself ram my dick in and out of her ass while I hung on to her hips, and that’s when I realized that what I was now doing to her really beat a hand-job any day. 
As I kept on, I realized that it was feeling better and better until, Pretty soon, I felt that real great feeling coming on, and that’s when I felt myself go right into a climax and shoot all of my cum right into her ass as I heard her give a little yelp. 
After that first climax, it became real slippery, and I could hear her continue to make funny little noises as I fucked her for all I was worth. Oh Gads! I really liked this, having my dick buried way up inside the ass of her naked body. Wow! This is what sex is all about!
With all of those thoughts about what we were doing running all through my brain, I soon felt that great feeling coming on again, and I felt myself explode into her once more. 
But as I tried for a third time, I realized that my balls were saying ‘no,’ and as my dick started to shrivel back up, I pulled back out. 
I then saw a whole bunch of my cum come flowing out with my dick just like last time, and I tried to wipe it up with that old cum soaked t-shirt of mine.
I finally picked her up and held her in my lap again, and she even let me put my hand back down on her pussy while I heard her giggle and comment on all of what I had done to her.  Eventually, she looked over at my clock and said, “Oh, oh, I better get dressed and go.” 
After we got dressed, she gave me a little kiss, and left. 

Chapter 5
Greta continued to come over as often as she could in order to have sex with me, and I even kept on urging her to suck on my dick, but she would never do it though. 
Then one time, I finally persuaded her to actually do it. 
I had just finished having a real grand time of it sucking on her pussy, when I mentioned, “Why won’t you do that to me now?” 
I heard her reply, “I don’t want to because you go and shoot all of that stuff out of your dick.” 
So I replied, “Heck, it won’t hurt you. Just give it a try.” 
“No, I don’t think so.” 
Of course, by now, I was so disgusted that I said, “Well then, maybe next time I won’t suck on your pussy for you then either.” 
I guess that she thought that one over for a moment, and then to my surprise, I heard her say, “Oh, all right, I’ll try it just this once.” 
I very excitedly watched as she got down in-between my legs, and got her mouth down over my dick. Oh my gads! That really felt fantastic. But then she went and took her mouth away and looked at my dick for a moment before she then put it back into her mouth and started sucking on it just like it was a popsicle. 
Wow! Did that ever feel good! And watching little Greta down there with my big hard dick buried in her mouth nearly blew my mind away! Of course, it wasn’t long before she had me so sexually excited that I finally went right on up into a real awesome climax, and that’s when I felt myself shoot all of my cum right into her mouth, and I could see that very surprised look on her face when I did. 
When she finally lifted her head back up, I noticed that she had cum all over the outside of her mouth, and I watched as she moved her tongue around to trying to lick more of the stuff off as she said, “I guess that really was kind of fun after all.” 
Then she put my dick back into her mouth, and sucked me off twice more before I very reluctantly had to have her quit. 
After that, we always gave each other oral sex. We found that that was the most fun way to have sex with each other except for me sticking my dick up her butt every so often. Heck, I’d much rather just have her suck on it.

Chapter 6
One day when Greta came over to my shop, we got naked as usual, and started having sex with each other. 
We were taking turns giving each other oral sex, and Greta was down on her knees in front of me giving me a blowjob when I saw my sister suddenly come in and just stand there transfixed wondering what the heck was going on as she saw that both of us were completely naked.
But then, as she just stood there and watched Greta continue to suck on my dick, I heard her ask in a very frightened voice, “W-What are you two doing?” 
I saw Greta lift her head up, and turn towards Amy and look at her for a second before she asked, “Why this is fun. Do you want to try it too?” 
She waited for an answer, but a few seconds later when she didn’t get one, she turned back to me and continued sucking on my dick while I saw Amy still standing there transfixed as she watched what we were doing. I thought that it felt quite odd having my own sister standing there watching us, but for some reason, just the thought of her standing there watching what we were doing, suddenly brought me off, and I felt myself just explode all of my cum right into Greta’s mouth. Of course, Greta by this time could pretty well swallow all of my cum. But this time, I saw her let most of it ooze back out of her mouth, and then when she lifted her mouth back up, she just looked at Amy. Amy, now bug-eyed, asked, “Wha, what are you two doing?” 
I heard Greta reply, “We’re having sex and I’m sucking on his dick. You want to join in? Here, come on over and try it. It’s fun!” 
I saw Amy continue to look bug-eyed for a moment and then started to come closer to us before she changed her mind and then slowly backed out of the room, and closed the door. 
I was afraid that she would go tell mother what we were doing, so we hurriedly got dressed and Greta left. I then went over to my bench, and played like I was working on my airplane, and I even sat there until dinnertime, but then, I realized that no one ever came out to bawl me out or anything. 
When I finally came in the back door of the house, I saw that Amy was helping mom set the table as I heard mom say to me, “Go ahead and wash your hands, dinners almost ready. 
As we sat down to eat, I guess both Amy and I were unusually quiet, and I watched as Amy kept sneaking glances at me every so often. 
After dinner, I went on into my room, and stayed there until it was time to go to bed.
The next morning, I ate breakfast and then went on out to my shop. A little later, Amy came in and asked, “You were having sex with Greta, weren’t you?” 
I replied, “What do you think we were doing? You stood there and watched it all.” 
I then heard her ask, “I was kinda wondering, what was she doing to you?” 
I replied, “She was sucking on my dick stupid,” 
That’s when I realized that she actually got to see my big hard dick. 
There was a long hesitation before I then heard her ask, “Did you like her doing that to you?” 
“Well if I didn’t,” I replied, “I certainly wouldn’t have let her do it dope head.” 
That’s when I heard Amy say, “I didn’t tell mother on you after all and I even kept it a secret.” 
Wow, I was sure glad for that. Otherwise, I would have been dead right now. But then I heard her ask, “Do you do that to her too?” 
“Yes.” 
“Does she like you doing it to her?” 
“Well, if she didn’t, we certainly wouldn’t be doing it.” 
Then I heard her say, “That’s the first time I ever saw a boy’s thing. Does it always stay that big?” 
“No, only when I’m sexually excited.” 
“What was that stuff that came out?” 
“That was my cum. That’s the stuff that helps make babies.” 
“I guess you two do that, and have lots of fun together whenever she comes over.” 
“Yeah, that’s the reason why she comes over here all the time stupid.”
Now I wasn’t ready for her next question, which hit me like a ton of brick, “Would you want to do that with me?”  
I just sat there dumfounded and thought for a moment before I replied, “I don’t know, you’re my sister… Listen, Greta has been coming over here for most of the summer to have sex with me and we both really love it and I guess we’re both pretty well hooked on it. I do things to her to make her feel real good, and she does things to me to make me feel real good. Now because you’re my own sister, we’re not supposed to be doing things like that to each other.” 
“But I want to find out what it feels like.” 
“Well, if you just want to find out how it feels, I guess I can do something to you if you really want me to. But don’t you go telling mom or dad. Because they’d kill both of us if they ever found out.”
I then noticed that Amy didn’t say anything else, and a moment later, I watched her leave. 
But soon after lunch, as I heard mom’s car back out of the driveway, I saw Amy come back into my shop. “Mom went shopping. She asked if I wanted to go, but I said that I wanted to stay home and play with some friends. So here I am.” 
I just couldn’t believe that my own sister really wanted to have sex with me. But what the heck, if she wanted to do it, I guess I could oblige her. Then, to test her, and make sure that was what she really wanted, I said, “Well, if you really want to do it, take off your panties.” 
I saw her just look at me for a moment before she slowly put her hands up under her dress and slipped her panties down and off, and then laid them on the bed. Then, as she looked back at me, I said, “Now come here and get up on my lap.” 
I watched as she very hesitantly came on over and got on my lap. 
As I positioned her on my lap, I noticed that she felt really quite stiff, so I asked, “Do you like me?” 
I heard her say “Yes,” and then I said, “Well In that case, give me a kiss.” 
She still felt really quite stiff as I felt her just kiss me on the cheek. I didn’t want to do anything to her when she was that tense, so I said, “If you really want to have some fun, you’ll have to loosen up and laugh and smile and give me a real kiss.” 
That sent her on over the edge, and I saw her break into a sob. So I just held her close to me and gave her hugs, and comforted her for a while. Soon, I heard her say in between sobs, “All I wanted was for you to do the same things to me as you do to Greta.” 
She was still stiff as a board and very frightened as I replied, “Well then, why don’t you just go ahead and put your pants back on, and come back when you’re feeling better.” 
That’s when I heard her break into a bigger sob as she replied, “No Mike! No! I want you to do to me what you do to Greta.” 
“Well, if you want to have sex with me, you will have to lighten up and be my friend, and play with me, and stop all of your crying.” 
 But I just went ahead and held her on my lap for a while as I thought how I could liven things up a bit and to get her to somehow relax. Then I remembered what I used to do when she was a baby, so I took my finger, and played like it was a bee and said, “Bzzzzzzz,” as I moved my finger all around through the air, and then poked my finger into her stomach very lightly. I heard her giggle, so I did that several more times. 
Soon, she started laughing, twisting around, and trying to defend herself. So I carried her over to the bed, and plopped her down on it while she was still giggling. Then, while sitting down on the edge of the bed, I continued to play ‘bee’ with her, and poke her lightly all over as I saw her break into a laughing fit, and was really having fun. I guess that she had forgot all about her panties, and when she brought her legs up into a fetal position to protect herself from my finger, I suddenly could see her whole naked pussy laid wide open before me. Oh good lord, it looked just as sexually pretty as Greta’s.
The next thing I knew, I had my fingers down on her pussy lips while she was still giggling. But finally, I guess she realized just what I was doing to her, and I watched as she just laid there while I ran my fingers all around against her pussy. 
I decided to finger her pussy just the same way as I did to Greta, and I saw Amy just lie there with her legs spread wide open for me while I continued on fingering her pussy. I could tell by her expression that she was now really enjoying what I was doing to her, and pretty soon, I heard her give out a whimper, just before I saw her freeze on up and stay that way for several seconds before she gradually recovered again. 
So I took my hand away, picked her up and put her on my lap.
I knew that Greta just loved to be hugged and caressed right after she had an orgasm, so I hugged and caressed Amy the same way for a while, and then I told her to put her panties back on because I really didn’t feel right about doing this to my own sister. But I heard her reply, “No Mike. I really like what you’re doing to me and I want you to play with me more. Please?” 
Normally, with her being my sister, we would just fight and tease each other. But right now, I realized that this was no longer Amy, my sister as I knew her. She was now more like – like some other girl, and I now really didn’t know what to do. But, my playing with her pussy had really turned me on, and because she was actually begging me for more, I very reluctantly decided to go ahead and have more sex with her.
She was still sitting on my lap when I unbuttoned her dress, and she even let me take it off of her. So there she sat as naked as a jaybird except for her shoes. Then I put my hand back down on her pussy, and actually kissed her. This time she responded just as if she was actually some other girlfriend of mine, and I even felt her wrap her arms around my neck. 
I just couldn’t believe that my own sister really wanted to have sex with me, but as I realized that she was really responding, I was now feeling myself getting hotter than a firecracker. So I continued kissing her, and fingering her pussy until I felt her freeze up into another orgasm.
When she had recovered, she said, “Oh Mike, that feels so much better than when I do it myself.” 
Now I was really surprised at her statement, so I asked, “You mean that you do that to yourself?” 
“Oh yes. About a year ago, one of my friends showed Greta and me how to make ourselves feel real good. Both of us really liked doing it, and then, after a while, we even did it to each other. But somehow, every time we did it, it just didn’t feel right. I knew it felt really good, but we really didn’t like having us doing it to each other because we were both girls. Having you do it to me makes me feel so much better.” 
I was really quite surprised at her statement as I replied, “Gosh, I thought only boys masturbated. I didn’t know girls did that too. In that case, how would you like to get me off.” 
I saw her giggle as she asked, “You mean, you’ll let me play with your thing?” 
“Sure. But It’s not a thing, it’s a dick.” 
I heard her giggle again as she replied, “Oh thank you, I’ve always wanted to do that.”
I knew she had seen my dick when she walked in on us while Greta was giving me a blowjob. But I started wondering on just what it would feel like to have my own little sister playing with my dick.
As she got off of my lap, I now felt very little shyness as I began to take my pants and underpants off right there right in front of my now completely naked sister. 
I then sat down on the edge of the bed and had her sit down next to me, and then I watched as she reached over and grasped my dick. 
I must say that her hands really felt good as I both watched and felt her explore all around all over my dick and balls for a few moments before I then showed her how to stroke me off. 
She then just sat there giggling as I watched her small hand go back and forth on my dick, getting me feeling more and more sexually good with each of her strokes, and I even hugged her to me as I felt all of those real wonderful sexual feelings gradually build up in my dick. All too soon, I had to grab my t-shirt and hold it in front of my dick just as I felt her fingers bring me right on up so high that I felt myself literally explode right into a real awesome climax as I watched all of  my cum go shooting right out into it. Oh gads! That felt so awesome. 
I was about to ask her to continue when I heard her ask, “Can I do what I saw Greta do to you the other day?” 
I was absolutely shocked as I replied “You mean suck on it?” 
“Uh huh” 
Good golly, I was now absolutely shocked to hear that she actually wanted to suck on my dick. But I certainly wasn’t going to pass up such a fantastic opportunity. So I said, “Why sure, go ahead if you want to.” 
I watched as Amy kneeled down on the floor in-between my legs, and I even heard her giggle as I watched her grasp my hard dick and then put her mouth down over it. 
I then felt her suck on it for a moment before I saw her take her mouth away and then look at my dick for a moment before she then put her mouth back down over my dick and continued to suck on it. I really couldn’t believe what I was seeing as I watched my own little sister actually give me a blowjob. Oh it felt so wildly awesome, and it took only just a few moments before I felt myself go right on up into another real awesome climax and that’s when I felt myself explode all my cum out right into her mouth. But then, she continued on sucking until I could no longer shoot out any more cum before she then took her mouth away. 
When she lifted her head back up, I saw that she had cum all over her mouth as she said, “Oooo, that’s fun. Can I do it again?” 
I was really quite surprised and really quite pleased that she really liked doing that to me, so I replied, “Sure, you bet.” 
I then both felt and saw her put her mouth back on my dick and started sucking on it again. 
Since this was going to be my third climax, I decided to see if I could make it last a little longer. So when I felt myself start to well up towards that point of no return, I had her remove her mouth for a moment, and then, as I felt my sexual feelings recede a bit, continue sucking on it again. I did that three more times before I could stand it no longer, and finally exploded my cum again right into her mouth. Good golly, that was, without a doubt, the best climax that I ever had as I realized that it was my own little sister doing that to me, and the sensation was so great that I almost fainted as I felt myself shoot the last of my cum right into her mouth.
When Amy finally stood up, she said, “That was fun big brother. I really liked doing that.” 
By now, I was enjoying her attentions so much that I felt like I was no longer uptight about having sex with my own sister, and I even felt that she was actually even more fun than Greta. Although she had drained me of most of my sexual desires, I still wanted to do the same to Amy. So I said, “Lie down and I’ll do that to you now.” 
I could actually see all of the excitement come all over her face as she plopped herself on the bed and spread her legs real wide for me. 
As I got my head down, I noticed that her pussy looked so inviting, that I just had to slurp my mouth and tongue all over it as I heard her squeal and felt her trying to gyrate her little butt all around. But it didn’t take long to bring her right on up into an orgasm, and I continued on sucking and licking on her pussy as I felt her go from one orgasm right on into the next until my tongue finally got so tired that I just had to quit.
I then got up and laid down on the bed next to her and we put our arms around each other and hugged and kissed for a long time before we finally got up and put our clothes back on. 
Wow, did we time that one right. Amy had just gone back into the house as I heard mom drive up.

Chapter 7
After that incident with Amy, my whole outlook about my little sister had now completely changed. She was now no longer just a sibling in a contest for our parent’s attentions; we actually quit teasing each other, and became very lovable towards each other. Whenever we were alone, we became as intimate with each other as time would allow us.
Soon after that, Amy confessed to me about her and Greta. She said, “When that older friend of ours introduced us to sex, we played with ourselves at first, and then we played with each other. But the more that we did it, the more we realized that something was missing. We, all too soon, came to the conclusion that we really wanted a boy to do it with. Then, as we talked about it, we realized that a boy our own age just wouldn’t do because they seemed so immature. We then realized that we needed a boy who was older. So we kept looking for one that seemed suitable, but none of the older boys ever wanted to have anything to do with us. I guess because they thought that we were just too young. Then Greta got you involved with her doctor kit, and she even told me all about all the fun that she was having with you. But then, I just couldn’t see myself having sex with my own brother. Then one day she said that she was going to have sex with you, and that she would leave the door unlocked so that I could come in. I finally got brave enough, and when I walked in, I saw her sucking on your dick. If you were another boy, I guess that I would have joined her, but I just couldn’t bring myself to do that with my own brother, so I went back out. Afterwards, I thought about it a whole lot, and then I realized that if I were going to have any sexual fun at all, it would have to be with you. That’s the reason I came out here and asked you. Now I’m really glad I did it because now we’re having a whole lot of fun together.”

Chapter 8
A couple of weeks later after school, when Mom went shopping. Amy and I knew that we had a good two hours together, so we went on out to my shop. 
After we got undressed and sexually played around with each other for a while, I started to do my favorite thing of sucking on Amy’s pussy, when I suddenly noticed that she actually had a hole in her. As I looked at it, I realized just what it was. That was her vagina - her fuck hole, and as I examined it more, I now really wanted to try it out. So I put a pillow under her bottom, and then I sat down on my legs in-between her legs. That put my dick right up against her pussy. Since she was already really hot and had her legs spread out for me, I could see that her swollen pussy-lips were wide open, and also, she seemed pretty moist down in that hole of hers, so I went ahead and guided my dick on into her vagina. 
The way Amy’s head was propped up, I knew that she could watch most of what I was doing, and she didn’t even try to stop me as I worked my dick in and out a little bit each time as I tried to get it all the way in. 
But soon, had my dick all the way into her, and as I sat there looking, I both felt, and saw that my dick was now all the way up inside of her real warm wet vagina and thought that this was absolutely fantastic. So I pulled my dick almost all the way back out and then pushed it all the way in again as I watched her vagina actually swallow up my dick again. I then looked at Amy, and noticed that she had a sort of a half smile on her face as I saw that she was also very intently watching my dick go in and out of her vagina also. At this point, I could also feel her body actually shaking with excitement, and I even heard her make little squealing sounds as I continued pumping my dick into her.
Soon, I heard her squeals get louder as I felt her freeze on up, and that’s when I felt her vagina start contracting against my dick, and because of that I felt my sexual feelings very quickly grow so high that I felt myself go on into a real awesome climax as I felt myself actually explode all of my cum right into her. 
As I continued to shoot load after load of my cum right into her vagina, I could now actually see some of it start leaking back out. 
Why that felt so great that I maneuvered myself so that I was now lying on top of her, and because of the cum that I just shot into her, her vagina now felt really slippery, and I felt her very eagerly wrap her arms and legs around me as I continued on pumping my dick into her.
Soon, I felt her arms grip me real tight, and I heard her moan again as I felt her freeze on up into another orgasm while I felt her vagina contracting against my hard dick again for a bit. 
Afterwards, I felt her go limp for a bit, and then I could feel her arms and legs tighten around me again. 
Soon, I felt myself explode into her again just as I felt her freeze up into another orgasm. 
As soon as I could recover, I was now so excited that I started madly pumping her again as I felt her get even wilder as I could now feel her arms and legs rubbing wildly all around against me until they just tightened up around me as I felt her go into yet another orgasm. By this time I could feel all the sweat dripping off both of us from our exertions. But I continued on frantically ramming my dick on into her, and I felt her have two more orgasms before I finally exploded into her for the third time.
By now, I just collapsed down on top of her, and we just laid there like that for a long time hugging each other before my dick finally went soft and slipped back out of her hole. 
I guess we were so overcome by what we had just done that we just continued to lie there and kiss each other for a long time. We would have lain there even longer, but we feared that mom would soon be back, and we certainly didn’t want her to catch us like this in this position. 
Then, as we got up, we found that we had my cum all over us, and besides that, the whole place just seemed to reek with sex. I tried to wipe up as much as I could, and then I saw her slip her dress down over her head and run for the house. So I put on my pants, and was right after her. 
In the bathroom, I started the shower and we got in and cleaned each other and ourselves up as best as we could. 
Afterwards, we went into our own bedrooms and got dressed. 
I was just putting my underpants on when I heard mom’s car in the driveway. Wow, was that close.
That evening, both Amy and I discussed about all that we had done. She said, “Oh brother, I’ve never felt anything that felt as good as what we just did today, and right now, I feel so – so – oh I don’t know how to describe it – like – like – I’m so satisfied, or so fulfilled, or something. Right now, I’m feeling so comfortable with myself.” 
I knew what she meant as I realized that there was also a feeling like that inside  me, just like I had just accomplished the basics of life or something, and at that moment, I felt somehow also very fulfilled. So I replied, “I think I feel very much the same way also, Amy.” 
Then I asked, “How come your vagina wasn’t covered up like Greta’s?” 
“You remember that bicycle accident I had?” 
I shook my head yes. “Well, mom took me to the doctor, and he said that nothing was wrong except for a few bruises, and that I had torn through my hymen. At the moment I didn’t know what he was talking about, and mother thought that something horrible had happened to me. So the doctor had to explain to both mother and me what a hymen was.”
Nearly every afternoon after that incident, Amy came out to the workshop with me. Because we didn’t have very much time, we would hurry and get each other warmed up, and then we would fuck until I had finally climaxed into her the three times that I could. 
It was just like as if we were taking drugs or something. Once we got started, we just couldn’t quit. I guess that we both needed that “fix” every day. But of course, about once a week or so, we would find the time to just play around and enjoy each other for two or three hours.

Chapter 9
I guess it was about a month later, when Greta came out to my workshop. Wow, was she in a huff, “Do you know what your sister told me? She said that you went and put your dick into her vagina, and you both had sexual intercourse. Why didn’t you do that to me?” 
After hearing her statement, I realized that everything had just naturally worked out that way, and I really didn’t know how to reply. So I replied,  “I’m sorry Greta, but things just worked out that way. If you want me to fuck you too, you’ll have to break through your hymen so I can. In the meantime, I’ll suck on you all you want me to.” 
“Well, okay Mike, will you do something with me right now?” 
“Well sure, I’ve got an hour before I have to go in. Go ahead and take off your clothes.”
I royally sucked her pussy for her, but since I was fucking my own sister, I no longer wanted to put my dick into Greta’s butt. Somehow I now felt that her butt just wasn’t all that great to me anymore when I could fuck my own sister’s vagina all that I wanted, 
She seemed sort of disappointed that I wouldn’t fuck her butt, and she asked me why. I explained, “Well, since I’m doing Amy, I don’t feel like doing that anymore. But as soon as you break through your hymen, I’ll be real glad to fuck your vagina all you want.”

It was a Saturday afternoon, almost two weeks later, when Amy had to go with her mother shopping, and I was in my shop alone as usual when Greta opened the door and came in, and I could see that she was wearing a big smile on her face. “Guess what I did?” 
“I don’t know. You went skiing?” 
“Oh don’t be silly. I broke through my hymen you dummy. Now you can fuck me all you want to.” 
Hey, she actually wanted me to do the ultimate with her. Wow! It was what I wanted to do to her all along, and I certainly wasn’t going to turn that down. “Hey, that sounds like a great idea. Let’s get our clothes off.” 
Greta giggled the whole time that we took off our clothes, and then laid down on the bed. I laid down next to her, and we wrapped our arms around each other. Next, we kissed as our hands explored all over each other’s body. Soon, I could stand it no more and I scooted down until I had my head in-between her legs.
Having my mouth on either Amy’s or Greta’s pussy was the greatest turn-on for me except for fucking Amy. So I licked and kissed her pussy until I brought her on up into an orgasm. 
For some reason that I’ll never know, I get my greatest thrill from giving them orgasms that way. I just love sucking on their pussies while I both watch and hear them go through all the throes of their orgasms. 
By now, her pussy was real wet from both my saliva and her juices, so I laid down on top of her. 
She helped me get my dick into her vagina, and I very carefully worked my dick back and forth until I had it all the way into her. I then felt her wrap her arms and legs around me, and we must have just stayed that way for several minutes just feeling and experiencing the brand new intimacy that we were in before I started working my dick in and out of her. 
She was tight, even tighter than Amy. But the only real difference that I could tell, was that Greta was about an inch or so taller than Amy, but otherwise, both girls felt about the same with my dick in them.
It didn’t take long for Greta to reach an orgasm, and I heard her really squeal as I felt her clamp her arms and legs around me, and, as I felt her freeze up, I felt her vagina contract against my dick for quite a few seconds before I felt her relax again.
By the time, I had pumped my third load of semen into her, she had gone through six orgasms, and we were both pretty well drenched in sweat. 
Then, as I laid there very limply on top of her while hugging her to me, in those moments I had a great feeling come over me. I felt like I was now especially attached to this little girl in other ways than just with my dick. I had the feeling of wanting to just lie there and never ever let her go. 
Yeah, the sex was real great, but this feeling that I now had was a whole lot greater. I don’t know, I just couldn’t describe it.
All of a sudden, I was awakened out of my reverie as I heard Greta giggle as my dick finally deflated and slipped back out of her. Then I heard her say, “Oooo, hand me something to wipe up the mess. Your cum is really squirting out of me and getting all over.
I hurriedly got off of her and handed her my t-shirt. We managed to get the mess pretty well cleaned up, and then we put on some clothes and made a dash for the house.
We both rushed into the bathroom, and I turned on the shower. Then we both got in and hurriedly got ourselves rinsed off from all of the sweat and cum. We didn’t even bother to play around any because I was expecting mom back home at any moment, and I certainly didn’t want her to catch me naked in here with Greta. 
After we dried ourselves off, I put my trousers back on while she slipped her dress down over her. Then we made a dash back out to my shop where we finished dressing, and got the place aired out. 
I had found out that I could mask the sex smell by pouring out a little dope thinner. It had a very strong odor and seemed to mask out that sex smell fairly well.
A few minutes later, I saw my sister come through the door. As she saw the two of us, I heard her ask, “What were you two doing? Are you painting an airplane or are you trying to get rid of that other odor? I bet you’re trying to mask that you know what odor, aren’t you. Well how was it Greta, did he really do it to you?” 
Although they had talked about sex and even engaged in sex together with me, this time I saw Greta’s face turn beet red, and while she just stood there, I heard my sister say, “Hey brother, where’s your t-shirt? You know better than to do it without having something to wipe it up with don’t you? Why don’t I go in and get you another shirt.”
When Amy left for the house, Greta and I giggled. Although she was still just a little girl, I detected a special twinkle in her eye as we both giggled at what we had just done.

Chapter 10
As the months slipped by, I felt very sexually satisfied being the chosen stud for the two little girls. 
I guess Greta and I had started a special loving relationship, and as we grew older, we grew even more closer together. 
Also, it never seemed to bother me at all to continue to have sex with my own little sister. But Greta just very drudgingly put up with it because of me being my sister’s only sexual outlet. I think that she was actually in love with me.
Amy seemed very satisfied with our affair. So I guess that I satisfied her sexual urges enough so that she wasn’t about to try to find anyone else to take my place.
As I mentioned before, I found that it was my greatest pleasure to give my own little sister orgasms. I didn’t care if I got off at all, just so long as I could watch her have all of her orgasms. That was the greatest turn-on for me. Sometimes it was nothing more than just reaching up under her dress, and fingering her for a few minutes, and sometimes, it was laying together naked out in my shop while we went through our whole sexual repertoire. 
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When the girls started having their periods, I watched as their pretty little prepubescent pussies gradually turned into ugly clumps of fir, but to offset that, their bodies turned into very beautiful sexy curves with real beautiful perky tits. 
By this time, I was especially careful about putting my dick into either one of them for fear of getting them pregnant. 
Although I realized that I really didn’t enjoy it as much because of all the hair they both had down there now, I still gave them oral sex whenever they wanted it, and that was quite often.
In all of this time, I don’t think that neither our moms nor dads ever caught on that I was having sex with both my own sister and Greta. But then, if they did know about it, they never let on that they did. 
I later realized that if they did know about my affairs, this was a very wise thing for them to do because it kept together a very close loving relationship that I had with both Greta and Amy – the two little girls who had suddenly gotten hot pants and didn’t know what to do about it until they got me involved.
As we grew up, neither Greta nor I ever really wanted to date anyone else. I guess she was always there for me and I was there for her, and we both always felt very comfortable with our own very special relationship with each other. 
When I graduated from high school, I wanted to go to one of the big universities, but instead, I went to the local college mainly just to stay close to Greta. 
I graduated from college at the same time Greta graduated from high school. So we managed to get married the week after we graduated. Amy soon got married to a very nice guy a couple of years later. I knew him when I was in high school and he was a year younger than I was. He was a nice guy and I heartedly approved of him for my little sister.
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Of course this story never really happened - Or did it?
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