Kamen Teacher (Fujisawa Tohru)

Kyokuran is a public high school with 80% delinquents.
Araki Gota and Kamen Teacher are new teachers that have been hired to solve the problems in their own specific ways.
From Baka-Updates:
This man’s name is Gota Araki. Today he begins working as a teacher at Kyokuran High School in the city of Tachibana. His hobbies are fitness and clipping pictures from adult magazines. But another man has been sent to teach at this high school and that man’s name is…