One day, the mother accidentally witnessed her son washing his underwear after having a wet dream. Not knowing how to handle the situation himself, the mother, who is very keen on educating her son, fetched a medical book and taught him about masturbation. From this point on, the mother's sex education started to veer in the wrong direction... She passionately taught him everything from how to touch breasts to insertion, even taking his virginity. In the end, she even started giving sex education to her son's friends. The overly strict and zealous mother, who is overwhelmed with pleasure by her son's penis...
