A perverted devil teacher and a brave beautiful girl who loves him and responds with a smile to his vulgar acts on command. A depraved lover relationship opens up to debauchery in school, which is their daily life. A sober and serious student, Yura, a teacher, Asano, and a teacher, have a physical relationship that the students are unaware of. Asano escalates this behavior and forces vulgar and obscene sexual acts on her. The bold and dirty relationship, ready to be discovered by colleagues and students, continues to this day.