During summer vacation, Kanae's parents go on a trip, so she stays with her uncle in the countryside for a while. When her uncle meets her for the first time in several years, he begins to have an inappropriate desire for her grown-up body. Kanae is Kokoro in a miniskirt, with her underwear in full view. When he peeks into the shower, Kanae shows off her plump body, and his uncle finally reaches his limit...