Kazumi and I were coworkers, and we were both already seeing other people. Still, one drunken night ended with us waking up together in a hotel—and once we started, we kept fucking until morning. Then she noticed the condom had torn. We tried to act normal at work afterward, but Kazumi had other plans: Take responsibility. What should have been one reckless mistake turned into a secret relationship filled with even more cheating sex.