Ishihara-san, my classmate, is from the same university. One day, she said to me, who had missed the last train because of overtime, "If you're going to sleep on the sofa, I'll let you stay." Staying at another woman's place when I have a girlfriend... But maybe I was expecting something from Ishihara-san, who used to be a slut... In a space with just the two of us, in a defenseless, braless loungewear... There was no way I could resist. I kept fucking until I used a dozen condoms by morning. Even so, my sexual desire wouldn't subside. Finally, I was invited to "It's okay without a condom..."