Cameraman Kohei Aizawa and illustrator Sumio Matsunuma quit their jobs and ran out of money, so they went to a villa in Karuizawa where Sumio's older sister, Kaoru, lives. Despite Juno, who was immediately dumped by Eri Tsunoda, Kohei has a relationship with Kaoru, and has a close relationship with Noriko Kuonji (Non), who has a connection with the motorcycle gang "DEEP", where he served as the first president. A legendary youth group of innocent young people unfolding on the stage of Karuizawa in the 80's!