Being the ruler of demons might appear to be a coveted privilege, with a royal status, a heavily fortified fortress filled with riches, and a loyal army ready to follow your every command. It surely sounds like a dream come true, but for the current demon sovereign, it is a living nightmare he cannot escape. Unfailingly, a valiant hero dares to invade his domain and demolish his soldiers, thrashing him before raiding his treasures, spurring a never-ending cycle of misery. The demon king reaches his boiling point every time a new invader storms his palace, and he decides to seek merciless revenge. However, this hero may be a challenging match like no other.
