"Codename, Yuna, I have identified the leader of the criminal organization Blackmoon. He is the one who unites the dark fighting party. Contact and investigate the secrets of the organization" Yuna, who was captured after failing in an undercover investigation, participates in a fighting event to protect her mother and sister. ... Surpass the loser. - A female investigator who challenged the revival of the loser while being raped is raped up to anal in the second defeat.