Katie was at the library with her mommy, in the kid's section. Katie was bored. She didn't really like books that much. The Teachers at preschool tried to get her to read, but she didn't do it well. She didn't really like the learning part of school. She liked the playing part.

Katie thought it was better to be pretty than smart, so she turned all her attention on making herself attractive. She had picked her own outfit this morning, choosing a skirt from last year that her mommy said was getting short, but let her wear any way. Katie liked the short skirt. It was soft and stretchy, and pink - her favorite color. She had to pull the skirt down really low on her skinny hips so it would at least cover her butt. It was fine until she bent over, then it rode up in back to show off her pretty panties. Today she had picked Disney's Little Mermaid panties because they were pink like her skirt, and they were a size too small, also like her skirt. When she bent over, she could feel the air conditioned air cooling her exposed butt cheeks. The middle part of the panties slipped between the cheeks of her round butt and disappeared into the deep crack back there. Katie liked the way that felt against her butt hole.

She had her favorite t-shirt on, too. This one had a picture of Belle, her favorite Disney princess. The shirt was a little too short, and since she had pulled her skirt down so far, her belly button showed. She liked that too, because it made people look at her, and she liked that best of all. Especially when men looked at her.

Her long blonde hair was tied up in two bushy pigtails, bound with fluffy pink scrunchies. Her mommy had said that she looked like jailbait. Katie didn't know what that meant, but from the way her mommy was smiling, she thought it must be good. So Katie was going to try and be the prettiest little jailbait ever!

Right now, a man was watching her as she pretended to look at some books on a low table. She glanced over at her mommy, and saw her way at the end of one of the bookshelves talking to a man. Usually when mommy talked to men it meant that she would be busy for a while. Katie saw her smile and twirl her hair around one finger as she laughed at something the man said. He was staring at her mommy in a way Katie had seen many times, especially when her mommy wore short skirts and low-cut tops like she was wearing today.

Glancing back to make sure the stranger was watching, Katie bent over the table, pretending to look at the books. She made sure to keep her legs straight and bend at the waist, so her little skirt rode up and showed her butt to the man. When she sneaked a peek over her shoulder, she caught the man staring at her rear end, so she spread her feet apart to show the gap between her legs. She knew that her panties fit tightly across the bulge of her pussy lips, and wanted the man to notice. He quickly looked away when he noted her watching him, but he glanced back soon and Katie flashed him a big pretty smile. She was missing a tooth on top, but Mr. Findlay, the neighbor across the street that she was fucking, said that only made her look sexier. Katie turned back to the books, then stood up and wandered around, getting closer to the man.

He was a nice looking man, about her mommy's age, with thick black hair and a smooth face. He was thin and tall, and Katie thought he was real handsome. She snatched a random book off a shelf and approached the man, who was glancing around nervously as the sexy little four year old walked up to him.

"Mister?" she asked, adding a slight lisp to her words. She knew some men found that appealing. She looked up at the tall man through her long eyelashes with her big blue eyes.

"Can you read a book to me?" she spoke softly, pitching her voice higher than usual. She had learned from Mr. Findlay that men liked that, too.

"Well, uh...well," the man stammered. He was sweating now, looking around to see if anyone was watching. But people would just think that the man was Katie's daddy if they noticed them at all. Fortunately for the object of Katie's attention, there were very few people in the kid's section, which was how he was able to get away with ogling the children in the first place.

Not seeing anyone around, the man made a decision. "Sure," he told the little girl, smiling down at her, "I'll read to you." He looked over at a door along one wall. "We can read right in there."

On one wall was a long mirror. It was reflective on the library side, but you could look through it on the other side. The man held the door to the reading room for the little girl, and they slipped inside together unseen.

Katie's mommy was deep in conversation with the other man, standing really close to him now.

"What's your name?" the friendly stranger asked Katie, sitting down in a chair after locking the door behind them.

"Katie" she told him.

"Well hello, Katie. I'm Josh," the man replied.

"Hi," said the child.

"And how old are you, Katie?"

"Four," she answered quietly.

"Holy shit," he breathed. She took his hand as he held it out to be shaken, but he didn't let go. Instead, he pulled gently on her hand, drawing her closer to him until she stood between his legs, their bodies almost touching.

"You're very pretty, Katie," Josh told her. His voice was husky, which Katie had heard before when men were about to touch her.

"Thank you," she replied shyly. She tipped her head forward and looked up at the man, another thing Mr. Findlay had taught her. She heard Josh catch his breath, and knew that he had liked how she looked at him. He put his hands on her thin shoulders, gently kneading through her shirt.

"Can I take your shirt off, Katie?" the man asked, whispering. Katie nodded, and his hands dropped to the bottom of her t-shirt, trembling as he raised the garment up over her head. He let out a sigh when he looked at her bare chest. Her tiny nipples grew hard in the cool air, and she felt her pussy getting wet, watching him stare at her. His hands went to her chest, sliding over her hard nipples and passing across her belly and around her waist to feel the soft smooth skin of her back. She smiled at him when he put both hands on her butt, squeezing the firm flesh gently through her skirt.

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"Mmmmm," he moaned quietly, "You are such a sexy little girl." His hands drifted up and down Katie's bare back, drawing her closer to him. Josh let his hands slide down to Katie's skirt, and slowly started pulling it down over her hips and legs. Katie held still, staring him right in the eyes as he let the tiny skirt drop to the floor. He tore his gaze from her big blue eyes and looked at her panties, which formed a perfect camel toe between her legs, molded to her pouty pussy lips. He glanced back at the pretty girl and she smiled. Taking that as permission to continue, he pulled her small panties down to the floor, leaving her wearing a pair of pink princess sneakers and white frilly ankle socks.

Josh was torn. He wanted to take his time and appreciate this unprecedented access to a willing young sex partner, but he knew the girl would be missed soon, and that this room was a logical place to look. He glanced through the one-way glass and saw that everything looked normal. The attractive young woman who looked to be the child's mother was still flirting shamelessly with that dude, and no one was looking for either young Katie or himself.

He lifted the little girl with his hands on her sides, setting her on one of the low tables, sitting down facing him, with her legs dangling off the edge. He pulled her closer, until her pussy was right at the edge, then he knelt down and lowered his face between her thighs. Katie leaned back and sighed when his tongue touched her pussy lips, lifting her legs back and apart to give him better access. She lay down on the table, and Josh put his hands under her knees to hold her legs apart. He sank his tongue deep in her sweet pussy, surprised at how wet she was. He felt the girl's small hand grab a fistful of his hair when his tongue touched her clit, even though he could hardly feel the tiny nub. But she sure seemed to feel it. She gasped and wiggled her ass, trying to rub herself harder against his tongue. She panted and moaned through what he was pretty sure was a little orgasm. He didn't even think that was possible in a child so young, but maybe he was wrong.

At any rate, he was running out of time, so he stood up and unfastened his jeans, sliding them down with his underwear to expose his hard cock. He really wanted to see if the little angel would suck on it with those pouty pink lips, but he had to hurry, so he crouched down over the child and rubbed the head of his cock against her slick pussy lips. Her cunt was wet from his saliva and her own juices, but he was still surprised at how easily he was able to slip his cock between the hot, soft folds of her little-girl vagina. He tried not to groan too loudly at the feel of the child's amazingly tight, yet accommodating pussy. She was so hot and wet!

He was about four inches inside the girl before he realized that he hadn't hit her hymen. That explained a lot. If she had done this kind of thing before - and if she had liked it - she would naturally be more willing, and able, to fuck. He stopped pushing deeper and started fucking the girl in slow, shallow strokes. Her pussy felt like it was squeezing and pulling on his cock head, she was so tight. He knew he wasn't going to last long, but he didn't want to cum inside her. He was already risking leaving too much DNA behind as it was.

"Okay, Baby," he said, addressing her for the first time since penetration, "I'm gonna cum. Do you know what that means?" Katie looked him in the eye and nodded, and he almost came right then. He would have liked to explore the child's sexual vocabulary some more, but he had more urgent things on his mind.

"Good, 'cause I don't want to cum in your pussy, okay?" That was actually a lie. He wanted nothing more than to fill this little sex-doll with his seed, but he didn't want his DNA dripping out of her pussy all day even more.

"So I'm gonna pull out, then you can sit up and suck my cock. Can you do that?"

"Uh huh," the little blonde beauty grunted. He loved the way her hair bounced around her head when he plunged his cock in her pussy, pushing her tiny body back and forth on the table. He couldn't believe his luck, finding a sexually active four year old who was not only willing, but available; and drop dead gorgeous, too!

Josh pulled his cock from the girl's tight pussy reluctantly and stood up as Katie sat forward. She gripped his hard cock in her small fist expertly, and lowered her face to his dick, popping his cock head into her mouth without hesitation. As he had predicted earlier, seeing the little child's pink lips around his cock was a total turn-on, and the feel of her hot little tongue ticking the bottom of his shaft, right behind the head, was going to make him cum soon. He put his hands on top of the girl's golden head gently and jerked his hips back and forth in short jabs as he came. His cock twitched and throbbed, and he could feel his semen around his cock as it flooded the child's small mouth. He noticed that she wasn't swallowing, just holding his cum in her mouth. Maybe she hadn't learned what to do when a guy came in her mouth?

When he was spent, Josh looked down to see the little girl looking up at him with those huge baby blues, his cock still between her sexy lips. He wished he had left his cell phone within reach so he could take a picture, but it lay on the floor in the pocket of his crumpled jeans. He let his shrinking cock slip from between her wet lips and looked at her, stunned, as she opened her mouth to show him the sperm that had collected in the back of her mouth.

"Hold still, Sweetie," he gasped. He snatched his pants off the floor and fumbled in his pocket for his phone. "Don't swallow yet. Hang on!"

He took a couple of pictures of the pretty girl with her mouthful of cum, then took a couple more after she had swallowed, grinning broadly with his sperm on her shiny lips. He risked taking a few more shots of her naked body as she sat on the table top with her legs dangling and spread apart, leaning back on her outstretched arms.

"Jesus Christ," he breathed, "You are so beautiful."

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Katie saw the man yank his pants on and knew their time together was over. He helped her into her skirt and shirt, but stuffed her panties into his pocket with a smile. She wasn't too upset about losing the panties 'cause they were kinda small anyway, and because they were Ariel panties, and Ariel wasn't her favorite Disney princess. She hoped her mommy didn't notice, 'cause she didn't think she would be happy about her losing her panties, and she couldn't tell her how she lost them. It was always a secret when she got fucked or touched by a stranger, even though she always liked it.

Did mommy ever get touched or fucked? Did she ever suck a man's cock just 'cause he asked her to? Thinking of that made her think of what just happened. She hadn't realized until after she had agreed to suck on Josh's cock that it had just been in her pussy. The taste had been okay, so she hadn't minded. She wondered what it would taste like to lick another girl's pussy.

As usual, the man rushed out the door after telling Katie not to tell what had happened, as if she was a baby and needed reminding. Men were so nervous about her telling. As if she would!

Katie found her mommy just as she started looking for her, and they went home after checking out the book that Katie had asked Josh to read to her. For some reason, they had never gotten to read it!