Normal high-school student Tateishi Kaoru's girlfriend is the popular idol Inui Yuki. After school, Kaoru finds Yuki entering a love hotel with another man. The recent prostitution rumors linger in the back of his mind as he chase after her, but he had to know the truth. As he encounters the gigantic man who seems to be stalking Yuki, he begins to uncover the mysterious powers surrounding his girlfriend.