HMN-848 My sex friend of five years, with whom I had the best physical chemistry, is getting married. I know it's wrong, but I want to have sex with her one last time, and even though I know it's wrong, I want to impregnate her with my sperm rather than her husband's, so I thrust my sperm in and out. Natsu Tojo

"I've decided to get married," Natsu, my casual sex partner of five years, suddenly announced, our relationship having continued solely because of our good physical chemistry. This relationship, which I somehow thought would last forever, came to an abrupt end. I forget who suggested it first, but we ended up talking about having sex one last time. I taught her the licking techniques that men enjoy. It started with passionate kisses, and gradually...