Yumi, a tight-fitting investigator, used her body to interrogate a man who seemed to be a member of a criminal organization that she was chasing. A man who could not endure Yumi's piston interrogation with a strong libido will wither after the interrogation. The physical investigation of Yumi, who has a strong libido, continued, and he interrogated the suspicious men floating on the investigation line one by one using their own bodies.