The mother, subjected to incontinence by her son with a huge penis, pleads, "Please forgive me, it's too shameful..." The humiliating incestuous domination through urination. Oguri's NGOD-353

In a city in northern Kanto, a beautiful stepmother named Cao, who lives with her husband and son, loses her house key on her way home after shopping one day and is at a loss. She has been holding back a strong urge to urinate, but while frantically searching for her key at the back door, she can't hold it in and urinates on the spot. Her son, who happens to be coming home from school, witnesses his stepmother's shameful incontinence… From this day forward, the stepmother is plunged into a depraved drama of forbidden incontinence training and incestuous relationships that she cannot speak of to anyone…