St Marris Academy is a training facility for demon-hunters. Within their ranks are 3 senior students, Hikaru, Seira, and Yuki. A fierce battle unfolds when the demon Balmus invades their campus. And their pussies.
This is a story about how each of the popular girls in high school ends up having sex with the less popular guys. Ain't that wonderful and completely unrealistic? Maybe. But we're just here to fap so fuck logic.