Hayami is on a mission as an undercover investigator for an anti-terrorist organization. Hayami, who felt that the dark organization he had previously discovered with his senior Igarashi hadn't been destroyed, set his sights on a certain criminal organization that came up in the investigation, and conducted an undercover investigation. To…. What awaited Hayami was days of torture training. What will be the end of the investigator who will fall into pleasure hell?
