Satan plans to overthrow the four continents and rule supreme and a hero rises to fight him. Satan flees into a portal to return at a later time. They appear in modern day Japan. They have to live as regular humans until they can regenerate their magic. They finally find a place to rent, though it's small and only one room. They also apply to jobs so they can eat. Satan works at a fast food restaurant. He has to restrain himself from using the last of his magic to fix the fry machine. But he becomes a full-time employee and is so excited. He meets the hero woman who he fought back at home.