Hayami, who takes on the mission as a secret investigator of a counter-terrorism organization, feels that the dark organization he and his senior, Igarashi, exposed in the past has not been destroyed. He decides to conduct an undercover investigation on a certain criminal organization that surfaced during the investigation, but is suspected of his true identity and ends up being imprisoned... The days of torture and training await Hayami. What fate awaits the investigator who falls into a hell of pleasure...?
