Ririko who lives alone with her son, Makoto, because her husband is away from home. One day, she said that she sympathized with Makoto's classmate, Yuki, and treated her empathetically. Yuki, who has a secret desire for her, takes advantage of her kindness and forcibly has a relationship. Ririko feels guilty for having a relationship with her son's classmate, but she can't control her body, which she has felt for the first time in a long time. Her body seeks pleasure from his relentless caresses, gradually awakening her inner lust...
