My wife was begging me to see her grandchild's face, so I ended up living with my bold father-in-law and my seductive mother-in-law, Miki. I wanted to live up to her expectations, but I grew tired of her insistence on having sex on her ovulation day, and I started to pleasure myself alone more and more. Then, one day, I let my guard down and Miki found out about my actions. At first, Miki was sympathetic, but gradually she began to look at me like she was hunting prey, and I ended up experiencing the true nature of my mother-in-law, known as the slut from Chiba...