"Tammy Gets Even (Better)" by Tammy Ng. This story was posted over a week ago; but if you follow my advice, you routinely download all stories by the Ng sisters. If you don't find this one in your files, you'll have to prevail on the generosity of the younger Ms Ng to repost this one. Here's some dialogue from the story:
"You're the best," he said.
"Oh am I," I said, "I'm very flattered."
"You're also the worst and the prettiest and the ugliest and the tallest
and the shortest."
"Am I also first and last and only?"
"Yes."
"Oh, dear." And I hugged him closer.
It's refreshing to read about an adult male getting deflowered by a female who doesn't feel a psychotic need to dominate or humiliate him! The virginity lasts only a little while (the next night they do it in the darkroom, while developing photographs - which is another first for me!) - but I thought it was downright tender and sexy.