Thirty-two-year-old Yuiko, who works hard as an office worker, is finally convinced that her boyfriend has something important to say to her just before they move in together, and she is convinced that he is finally going to propose to her. However, she was rejected because she used to be a black gal, and in a panic at the prospect of losing her place to live, Yuiko wanders off to a real estate agency. While she is crying to the clerk, Hisase, a former student of hers from when she was a tutor at university, appears. Yuko is grateful for Hisase's kindness. However, it seems that Hisase has not been able to forget his first love, Yuiko, and he wonders how he can turn this miraculous encounter into an opportunity. While Yuiko cannot give up on her ex-boyfriend, Hisase is determined to make her fall in love with him. This is a love story of a man and a woman who are at cross purposes.