Erika, the owner of a beauty salon, has fallen under the control of the predatory criminal Dokushima Nero, who uses her business to target innocent women. When Haruna visits the salon for a bridal massage, Nero drugs and assaults her, recording the act to blackmail her and destroy her engagement. Trapped by fear and shame, Haruna is forced into a cycle of exploitation as Nero manipulates the lives of everyone around her.
Dokushima Nero continues his predatory reign at a popular women's salon, subjecting customers to extreme degradation and forced encounters. His primary target becomes Nikaido-sensei, a principled lawyer, whom he blackmails into promising his legal innocence before violently stripping her of her virginity. To ensure her total submission, Nero imprisons her in the salon's underground for a brutal process of "training."
Dokushima Nero kidnaps a renowned, man-hating lawyer and imprisons her in his salon's basement to break her spirit. While she initially resists with threats of legal retribution, Nero shatters her resolve by introducing a former client who suffered devastating consequences after the lawyer's legal victory. Broken by guilt and relentless degradation, the lawyer eventually submits to Nero and vows to help him hunt for new targets.