This story is all about a boy named zero who's mom and dad died in a war and now is living by himself with his dog godus then one day he was going outside with his friends hikari and Kai, when they went out they found a girl named Nina who tells you that your a god and that your parents abandoned you and trained you when you were 3 yrs old and she takes you to your hometown nirvana where every thing is beautiful but one place the demons side and that's where you kill the demon king