Kaho is kidnapped by a creepy man, Kunihiko. What awaited him was a life of humiliation as a model for a painting of Kunihiko's younger sister, Toyoko. Kunihiko takes care of Kaho as if he were Toyoko's puppet. If you don't listen to what I say, you'll be punished... Kaho is forced to comply with Toyoko's escalating demands. After the incident, Kaho gradually develops warm feelings for Kunihiko, who takes care of her, but...