Thanks to the hero's exploits and the allied forces of various nations fighting with their blood and lives, the Demon King and the main forces of the demon race were sealed away. The remaining demons were driven farther north, left with no power to fight back. That was how the Second War between Humans and Demons ended, and the age of humanity began.
But the celebrating people had no idea that this war was nothing more than a game to the Demon King, and that their victory had long been part of the Demon King's plan.
And now, a new game begins...
