In the glamorous entertainment world, there are many gravure idols. Among them, Haruka Hinasaki, who reluctantly engages in pillow business to survive. The man who becomes her sponsor presents a single contract document... the words "Slave Contract" written on it. From the moment she made the decision for her dreams and signed the contract, her body, a release valve for the filthy desires of adults,不知不觉中开始获得快乐...