While Chiharu (50), a full-time housewife, was ironing, her son Kazuya suddenly hugged her and put his hands inside her breasts... Chiharu tried to stop the outrageous behavior at the time, but her son's excited lower body could not be controlled and she had to use her womanly techniques to calm him down... However, the mother was also excited by her son's erect penis, which she had never seen before, and before she knew it, his hand was reaching for her own lower body... Her son was watching this.