In a world where the belief in Gods and Goddesses is the strongest connection when it comes to human life but others think differently. In this reality either follow the orders of a God or face the wrath of the demon. An angel is sent down to punish the unholy but ends up taking a tumble along the way. A teenager, Rin, discovers her body and decides to help her. By doing so a war is soon to begin between the deities and the humans and the only one standing bwtween them is the fallen angel.