Mother Sawa and her son Satoshi lived together in a single-parent household. Sawa was employed as a caregiver at the home of her son's classmate, Takaya. Takaya's parents were transferred overseas, so Takaya lived alone with his bedridden grandmother. When Sawa came over every day, the adolescent Takaya began to see her as a woman. Unable to bear it any longer, Takaya forced himself on Sawa. When Satoshi found out about this...