ROE-469 When I went home, my grandfather and mother were fucking. What I saw that day turned me into a 「mature woman lover」 for life―. Yoshinaga Taka.

Having left my hometown and living in Tokyo, I returned to my parents' home for the first time in a while during a long holiday.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 a stray cat's cry.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...