Saki has been assigned as a new teacher. - She bumps into the students head-on in the gymnasium system and tries to give hot-blooded guidance, but ... As the days passed, the students became more and more annoyed. - Days of striving to face students as a teacher while meeting insidious bullying ... However, at some point, the positions of the students and teachers are reversed... - Ling, which cannot be escaped ● School life begins ...