[New Sensational Surprise Documentary] When a sexual assault occurs at a hot spring inn where a woman is staying for an AV shoot, and the staff and guests around her ask her to solve the case as a detective, Ogu Yuna really tests whether she can solve the case by using her reasoning skills! Can Ogura Detective, who is driven to orgasm by the intense piston attack and relentless toy torture while she is trying to solve the case?