NGOD-353 — Mother trained to wet herself by her son with a huge penis: "Please stop, it's so embarrassing..." Humiliating incestuous urination domination

In a certain city in northern Kanto, Misao, a beautiful mother-in-law living with her husband and son, was at a loss when she lost her house keys on her way home from shopping one day. Having been desperately trying to hold in her urine all the way home, she frantically searched for her keys at the back door, but it was too late, and she ended up wetting herself. Her son, who happened to be returning home from school, witnessed his mother-in-law's embarrassing accident... From that day forward, the mother-in-law descends into a forbidden descent into incestuous training involving involuntary urination, a story she cannot tell anyone about...