The Schoolgirl of three people going for supplementary lessons of the physical education. Sachiko who covets a body with a lover in the Yuu which has secret relations with the lover of the friend, the Aya which fit in into the Enkousai without going to the school, a physical education warehouse. They who work hard at each extracurricular class. But Yuu and the Aya tempting a boyfriend of Sachiko invite Yuu to Enkousai, and provoke an office worker with a Gym Shorts figure without being satisfied with that alone. Furthermore, cheap, looking Female Teacher of the physical education seems to have unusual relations with Aida of the member of track and field club….
