A salesman has been coming by frequently recently. He works so hard, but it seems he has been looking at me with lustful eyes. At first I refused. But it had been a long time since I had sex with my husband, and my body craved him. One day, while I was living like this, my brother-in-law, a repeat student, came to stay at this housing complex to take an exam. On the day of the exam, my husband was away on a business trip, so I took advantage of the situation and invited his lover over to our house... I had no idea that my brother-in-law had noticed that I was cheating on him. And from that day on, my perverted life began...