Kaoru Hanabishi is a college student living separately from her parents. One day he meets a beautiful, but confused girl, dressed in a kimono, at a railway station. Kaoru volunteered to escort her to the place she was looking for, and was glad to know that she would settle near him. However, this place was a wasteland. Puzzled Kaoru invited the frustrated girl while to her home, asked her to tell more about the place. She shows him an old photo, on which he recognizes himself and a childhood friend, Aoi Sakurabu . The mysterious girl turns out to be an old friend who has come a long way to meet Kaoru , because ... She is his fiancee and has come to marry the boy. This discovery was not so much surprised as it reminded Kaoru about the reason that forced him to leave the family ...