Aoi, a female college student, fell in love with Takeshi, a friend of her club, at first sight and started dating him. However, Takeshi has a sadistic temperament, and during sex he chokes her, makes her cum, and makes him swallow every time. However, things escalate, and Takeshi's desires become more intense, such as when he puts a rotor on her and makes her walk around with him, and then seduces a man she doesn't know and asks her to have sex with him...
