Maki has been working in the sex industry without her husband's knowledge, after getting into debt because of a host. While complaining to her coworkers at a bar, the bar owner introduces her to a job that pays well. The job involves a personal relationship with a black man. She hesitates, but decides it's for the money, and signs the contract, becoming his sex friend. After a few meetings, Maki is asked to participate in a party. She begs for payment beforehand, but is knocked unconscious and forcibly taken to a wild party...