The Hero Defeats the Bullies

The hero who saved the world by defeating the demon king is unexpectedly summoned to a school filled with gang members?! A hero from another world finds himself at the notorious ‘Suseong South High School,’ a place notorious for its ruthless gangs. Despite his vow to never use his powers on humans, he confronts bullies who act like ‘demons’ and begins to impart true education… Can the hero overcome the bullies and make his way back to his own world?