With her long flowing hair and seductive body, Mirei is a demon hunter who exterminates demons! At the request of the Investigation Bureau, Mirei challenges a demon that is attacking women to extermination with part-time worker Sadao Dojima. She fights the demon Baki Doji, but Baki Doji's soul possesses Dojima! Baki Doji then challenges Mirei to a sex battle! The only way to defeat Baki Doji is to make him cum over and over again! What will become of Mirei? "Demon Hunter Mirei will send those dangerous people to heaven!!" [HAPPY END]