Yukiko, worried about her son's declining grades, senses that he is being pressured by his father's lectures. She goes to her son's room and gently says, 'If there's anything I can help you with, just let me know.' One night, her son wakes up and accidentally sees his parents having sex. Since then, the son cannot forget his mother's lewd appearance. Finally, he reaches his limit and says, 'Mom, you said you'd help me with anything, right?' and starts to pressure his mother...
