It seems that the cute daughter of the Izumi family who lives nearby has gone missing. The son grins when he hears the story from his father. Yes, in fact, the son has been keeping her in the closet as his personal sex slave. He is a devil who enjoys deep throating and raw sex with her whenever he wants, and cumming inside her many times. The daughter, who wants to go home, continues to obey his orders and serve him...