Top 14 in Top 18 best Korean school manhwa stories.
A story of school violence but with the nuance of a mysterious fantasy series. The main character is Jung Ho, an ordinary male student and is always bullied every time he comes to class, he is so frustrated that he decides to commit suicide, but fails. And then one day, the great demon Mephistopheles heard his request, granting him the power to take revenge on those who harmed him, in return he had to sell his soul.
Jung Ho didn't hesitate and agreed, he wanted to get out of this hell on earth as soon as possible. But then, he failed to realize that he himself, along with that decision, had brought him closer to true hell. Because now, he is just a pawn on the chessboard of demons, angels, magicians...