On the edge of a small ocean town, there stands a small establishment called “Do-re-mi”. Three prostitutes, Sora, Shido, and Rei work here. They live together with the owner of the place, Kaname Toki in an at-home environment. Lately, Kaname’s kohai, Fuwa has been coming by frequently. Seeing Fuwa, who has lost his ability to get hard, Kaname’s father Minami invites him to the establishment to try to stimulate him. His partner is Shido, who has had an interest in Fuwa, however, Fuwa’s expression...