ROE-452 When I went home, my grandfather and mother were having an affair. What I saw that day turned me into a 「mature woman lover」 for life―. Reika Toyoda

I'm a working adult in Tokyo, and I used my day off to return to my parents' house for the first time in a while.My parents and grandfather live at home.After my grandmother passed away, my mother is caring for my grandfather, who is depressed and half bedridden.My father has no interest in family life and spends all his time going out.One day, a strange voice came from my grandfather's room.It sounded like the loud cry of a wild beast.Curious, I quietly opened the shoji screen.Then...in the room, there was the vulgar figure of my mother, who was moaning as her breasts were being devoured by my grandfather, who was also lovingly playing with his cock...