One day, Kaoru Hanabishi of the second grade in the university saw a girl who put on the kimono, who lost its way. Because she had been searching for a certain person, he decided to search for the person together. However, a target address was already empty ground. She is disappointed, and presented him the photograph of the person for whom she was searching. But, that was his and her photograph taken in their childhood. Her name is Aoi Sakuraba. And she is a female heir in the Sakura department store. She has been brought up for 18 years as his fiancee. However, because Kaoru had left from Hanabishi Family, the engagement had been annulled. She came to entreat him to return to the Hanabishi Family so that the engagement with him was recovered. However, he had the reason which was not able to return to the Hanabishi Family.