This is an adaptation of a webnovel, and the story is much longer than the manga will likely ever get to, so if it interests you at all, I strongly recommend tracking down the webnovel and reading it. It pushes the limits of suspension of disbelief, mostly because the teachers and even the administration stick up for the bullied boy instead of sweeping it under the rug and letting the rich star athlete go scot-free, but at the same time, it’s very satisfying, for just that reason. It’s essentially a fairy tale in which good triumphs over evil.