I was living alone in a dormitory near my school, and I returned to my parents' house for the first time in a while.My parents and grandfather live at home.After my grandmother passed away, my grandfather fell asleep and my mother took care of him.My grandfather used to call my mother in an inaudible voice every now and then and ask her to take care of her.One night, a strange voice came from my grandfather's room.It sounded like a sweet female voice mixed with a growling voice.Curious, I quietly opened the shoji screen.Then...I saw my mother writhing in pleasure as her breasts were being sucked by my grandfather...
