Hisae is a dream girl for her nephew Satoru. One day, Satoru comes to visit Hisae's house and witnesses Hisae changing clothes. Since then, Satoru, who has been thinking only about Hisae, can't control his excitement one night when his uncle is away, and ends up going to Hisae at night. Satoru returns home the next day and hugs Hisae, who has accepted him. A story of one summer's memories with a sad but lovely aunt.