The devil who lost its magical power in the fight against long angels fulfills the principle of absorbing the human soul and restoring its power! It was a demon king who traveled to the human world with a trusting four heavenly kings, but the destination that I reached was a solitary island of the ocean! On that island where magic can not be used, a survival that can laugh backward with the sadness of rulers and subordinates in the Makai begins! (Source: MU)