Terada Aki, 24 year old part-time convenience store worker, who has according to her have no special talents or skills, finds out her boyfriend of four years has cheated on her. Needing a new place to live her friend Amasi offers her old room at the shared household because she is getting married. When she gets there, she finds out that her ex-junior high boyfriend, Hongyo Tomoya, lives their too. When his body physically reacts to Terada when they accidentally get close, she starts becoming very wary of him. When he embraces her again, and the same thing happens Hongyo confesses that he has been impotent for the last two years. He asks Terada for her help to get over his condition. Starting to feel important because she doesn't consider herself anything special, she eventually agrees to help him.