One day, her son's classmate, Masaru, comes to Chiemi (45), a full-time housewife who has left her son behind and her husband is away from home and has too much free time and a woman's body. When Masaru was an adolescent, Chiemi taught him about sex, and he couldn't forget the pleasure he felt in the past. Chiemi, who lives alone and has a desire for flesh, teaches Masaru who has grown up again.
