When I went home, my grandfather and mother were able to do it. The events I saw that day turned me into a "mature woman lover" for the rest of my life.

I live in a dormitory and I returned to my parents' house for the first time in a while during the long weekend. My parents and grandfather live in my family. My grandmother passed away a year ago, and my mother was caring for my grandfather, who was in bed. My father is interested in family, so just drink it. One night, a strange voice blew out of my grandfather's room. Has a stray cat come in? It's a sweet voice. I was curious, so I quietly opened the shoji screen. Then... in the room, I saw a mother happily petting her grandfather's cock while her grandfather's breasts were splattered with excitement...