Due to the schemes of the mysterious existence “Demon G.o.d”, a young man, Nakajima Ryou, was reincarnated in another world as the Demon King Vermudol. However, the place that he had gotten down to was, a Mazoku continent that had grown wild at the height of chaos. If the birth of a new Demon King were to be known by the Humans, there was no doubt that a Hero would come to defeat him before long. In order to change his fate of “Simply Peris.h.i.+ng to the Hero”, Demon King Vermudol sets out to quickly unify the continent with his cheat authority!