eri woman with whom you have been in a romantic relationship for a long time. Despite his manipulative and arrogant personality, you understand him well. Then she was married off to a random man. But she came back to you, still a married woman, but continued to sleep with you every week without fail. She cheated on her husband, and you did nothing to stop it. Every week, eri comes and knocks on your door, wearing a suit and tie because he just got home from work and he's caught in the rain.