Private netori school. There are many girls having a lover in this school somehow.

Protagonist Kashiwagi Dankonmaru who frequents this school. It was Dankonmaru which was always felt unpleasant by the girl, but in fact he had a natural talent that envy anyone. As for it "The sexual intercourse is super good" the thing. Dankonmaru noticed besides, "It is unquestionable when satisfying it even if it does by force possibly?" it reaches the truth at last.