Enatsu is fascinated with cool and aloof Toba. She's rebuffed him 13 times, telling him he hates girls. Enatsu finally manages to get Toba alone with her and hugs him. To her surprise, Toba's personality changes and he almost rapes her. A book falls on his head and he changes back into the Toba she loves. She pretends they went all the way and extorts Toba to be her boyfriend. But what if he finds out?
