[ATID-677] "My condom broke, so take responsibility!" Ever since I got drunk and hooked up with a coworker, what should have been a one-night mistake somehow ended up being my girlfriend...

Kazumi and I are colleagues, and we both have people who are dating. … And yet, we were completely gone, and before we knew it, we were at a hotel. Kazumi's sleeping face, a vulnerability you'd never see at work. Fueled by the alcohol, we instinctually kept having sex over and over until morning. "Hey, the condom is torn..." "Huh!?" I wonder how many times I've come this time. Kazumi's voice drained from the heat. But I kept coming several times, and since my semen was thinning, I told myself it would be fine. We went to work as if nothing had happened. … It was supposed to be the usual. But Kazumi said to me. "Hey, take responsibility, okay?" ... And so, what was supposed to be a one-night stand relationship ended up dating, and since then, we have cheating sex over and over again...