For some reason, there was nowhere to go, money was running out, and a woman "Minami" (21 years old, video distributor) who was at a loss was approached by a stranger Ossan and was taken care of in the old man's room. However, the room was a spear room where many sexually active men came and went for the body of such a girl. "Minami" has no choice but to obey, and is a sexual processing tool in a house arrest state where she is naked