A group called "Gerak, a bizarre pleasure training human trafficking organization," was operating behind the scenes, mainly in the Kansai region. An undercover investigator, Nozomi Yui, who is extremely angry with the organization, is desperate to catch the organization's main executives. Flashy inquiries become enemies and get caught and pleasure training begins. Triangular wooden horse, forbidden anal interrogation, shaving, butt hole attachment, neglected hell torture, two-hole drill, various tortures, breathless, dying What is the fate of investigator Yui?