The Demon King Overrun by Heroes

Betrayed by the very rules he followed, the Demon King was nothing more than prey in a game designed for the heroes' ascent. Slain and discarded, he returns to the past with a burning desire for vengeance. Forget the textbook; the rules are now his to break. Witness the rise of the rise of the screwball Demon King as he fights for survival in a world that wants him dead. Dive into Chapter 1 now!