Living in Tokyo away from my hometown, I returned to my parents' house for the first time in a while during my break. My parents and grandfather live there. Since my grandmother passed away, my mother has been caring for my grandfather, who is depressed and mostly bedridden. My father has no interest in the family and is always out. Then one day, a strange voice leaked from my grandfather's room. It was unmistakably the moaning of a female in ecstasy. Curious, I quietly opened the shoji screen. There, inside the room, was my mother, looking vulgar as she had her breasts sucked and lovingly stroked my grandfather's cock...
