Summary King of the Arena from Kainu Manga
King of the Arena summary: First-year Gilsu Lee transfers schools to run from the bullying and violence. And the new place seems almost perfect. Everyone in his class is friendly and kind, and no one is bullying anybody. Violence? No, we don’t do anything like that in this school. That’s what the “Arena” is for. Don’t forget, Gilsu. What happens in the ring stays in the ring!