Driven by a thirst for revenge, Higuchi begins a systematic campaign of retribution against those who once humiliated him. Through blackmail and manipulation, he targets students and a teacher, forcing them into degrading sexual encounters to strip them of their dignity. As he claims his first victims, Higuchi reveals a cold determination to ensure everyone pays for their past actions.
As blackmail and manipulation spiral out of control, both Nanao and her teacher fall victim to a sadistic predator. While Nanao attempts to reconcile with her childhood friend Kaoru, she discovers a horrifying truth: Kaoru is the mastermind behind the torment. Seeking a brutal form of retribution, Kaoru subjects Nanao to a traumatic assault, proving that the real nightmare has only just begun.