[NGOD-353] Mother trained to wet herself by her huge-penned son: "I'm embarrassed to forgive you anymore..." Humiliating incest pee control

A certain city in northern Kanto. Misao, a beautiful stepmother living with her husband and son, is left at a loss after losing her house key one day after shopping. At that time, she returned home holding back the urge to urinate, so she hurriedly searched for the key through an escape but couldn't make it in time and ended up wetting herself and wetting herself on the spot. Her embarrassing wetting scene is witnessed by her son coming home from school... From that day on, the stepmother descends into a forbidden accidental training incest that she cannot tell anyone...