Ryo visits his friend Kenji's house for the first time and is greeted by Kenji's mother, Satsuki, dressed in a kimono. Struck by her elegant appearance and warm smile, his heart begins to stir. On his way home, Ryo realizes he left something behind and returns to the house that night. There, he unexpectedly stumbles upon Satsuki and her husband embracing in mourning attire, deepening his growing feelings for her. Through the symbolism of the kimono, the depth of her inner world is revealed, driving the story into a new and intense direction.