OBD-073 — Mother Who Lost Her Son's Virginity To Her Mother-In-Law

Nanao lives with her husband, mother-in-law, and 24-year-old son. The only thing she's unhappy about is that she hasn't had sex with her husband for 20 years. The only thing she's worried about is that her mother-in-law has recently started to show signs of dementia, and that her son is still a virgin. But then this ordinary family is hit with a shock! Her senile mother-in-law tells her son, "Grandma will teach you," and takes his virginity. Nanao witnesses the whole thing. She masturbates to calm down her strange excitement, but her excitement doesn't calm down and she ends up making a move on her son's body!