Amid the city of desires, the forces of dark make their move. Darkness comes together, to entrap a single girl into its vice... The heroine, Yuzuki Himeno bears great anguish within her mind. In her search for help, she receives treatment from Professor Shinozaki, an authority of hypnotherapy. His treatment supposedly helps the patient overcome their troubles in their sleep. But instead, his treatments were only a prelude to the nightmarish traps which lay ahead...