Elite investigator Kaho grows furious as one colleague after another becomes entangled in the case. After learning that the Black Lion Society is involved, she storms in alone, falls into a trap, and loses consciousness before the illegal drugs she was pursuing. She awakens restrained and unable to move as her athletic body is groped and subjected to humiliating pleasure training. Kaho fights desperately, but each wave of pleasure triggers another until she is trapped in an endless panic of uncontrollable orgasms. What fate awaits her?