When I Returned Home, I Found That My Grandfather And Mother Were Having Sex. What I Saw That Day Changed Me Into A "MILF Lover" For The Rest Of My Life. Reiko Seo

I left my hometown and became a working adult in Tokyo. I took some time off and returned to my hometown for the first time in a while. My parents and grandfather live there. My grandmother passed away a while ago, and my mother is caring for my grandfather, who became depressed and half-bedridden. My father is indifferent to the family, just a drunkard. Then one night, I heard a strange sound from my grandfather's room. Was it a dog in heat? That kind of sound. Curious, I quietly slid open the shoji screen. And there... in the room, I saw my mother, looking happy while having her breasts sucked by my grandfather, stroking his dick...