It felt like heaven when Takure Hayami first transferred to St. Alcadia School with its all-girl dormitory. The babes are luscious and Saori Otokawa, the caretaker, is the hottest of them all. Being extravagantly welcomed by the girls, his expectations for a heavenly school life were huge. But his bubble began to burst when the beautiful, but malicious, Morimote sisters, who actually control the school, try and control Takure when they discover his hidden Ultimate Sex Power.