“Code name, Yuna. A leader of the criminal organization Black Moon has been identified. He is the person who rules the dark fighting society. Contact her and investigate the organization's secrets.'' Yuna, who failed in her undercover investigation and was captured, participates in a fighting event to protect her mother and sister. …Long to the defeated. A female investigator tries to make a comeback even though she is raped, but when she loses for the second time, she is raped up to her anus.