Bunka-bu Domo no Tatakai-kata

"They say Michelangelo took revenge on people he hated through art..." Kabeuchi Konta is the president of the Manga Research Club at a school where the cultural clubs are at the bottom of the social hierarchy. One day, his childhood best friend, Kamijo Kouji, returns from Tokyo after several years! When he meets him again after a long time, Kouji has become a handsome man at the top of the social hierarchy by any standards. Konta is happy to see him again and ends up telling Kouji about the webcomic he has been secretly drawing. However, the next day, when Konta arrives at school, he sees his classmates laughing at his webcomic, along with Kouji himself... Why has his best friend changed? Armed with art, the cultural club members begin their fight back against the unreasonable school.

(Source: ComicWalker, translated)