Yuko and her husband were troubled by their son's picky eating and dislike of vegetables. By scolding her son, they somehow managed to get him to eat vegetables. That night, Yuko and her husband had sex, but Yuko was not satisfied. The next day, Yuko masturbated with vegetables. Her son saw her and asked, "Mom, you told me not to waste food. Is it okay to rub it against my crotch?" Yuko gave her body to her son, who had a hold on her weakness. From that day on, her son started to play with her in places where her husband was not looking...