"You told me to stop even though you're dripping wet, huh?" says Kawashima as he fondles Eri's body. Eri, who used to be a geeky country girl, is now a popular girl living in Tokyo. She can get any man she wants at mixers, but deep down she always feels empty. One day, at a mixer, she runs into Kawashima, who turned down Eri in high school. He tells her that she's just kidding herself. "I'll rip off your mask." He binds Eri's arms and legs, blindfolds her, and fondles her breasts and vagina at the same time. Kawashima is sadistic and pushy, but Eri's body gets hotter and hotter...