Usayama Joshi Koukou 2-nen 1-gumi!!

This is Saitama Prefectural Usayama Girls High School. Kohei Mito, a 31-year-old ethics teacher, is in charge of Second Year Class One. Daily life dealing with students can be difficult sometimes, but the kids aren't so bad....... This is the first serialization by a winner of the Weekly Shonen Maga