A couple whose father-in-law had passed away decided to live at the wife's parents' house. However, I can't be interested in my wife because living with my mother-in-law is too beautiful. Today I received an invitation from my wife again, but I declined. My mother-in-law still cleans as usual. I have been staring at such a mother-in-law, repeatedly fantasizing about disturbing the mother-in-law. One day, my wife went out and was alone. My mother-in-law was napping and defenseless. I couldn't take it anymore and caressed my sleeping mother-in-law's body...