She, the world-famous magician, suddenly lost all her memory
He is a handsome and handsome soul-sacrifice mage, but he has an unknown secret behind him.
She - the genius' best friend, always protecting him until the dark side of his heart breaks out
He, the big murderous devil, is silently waiting for rebirth in the heart of his lover.
Four flesh-and-blood characters, full of secrets, together compose a tragic war song between gods, humans and demons...