It felt like heaven when Hayami Takurou first transferred to St. Alcadia School with its all-girls dormitory! The babes are luscious and Otokawa Saori, 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 Morimoto sisters, who actually control the school, try and control Takurou when they discover his Ultimate Sex Power.