A God Eater is a person who can kill impure gods and absorb their power. Mikage Koutaro is one of these people. However his job causes him to be discriminated againsted by many humans and gods although all he want's to do is help people. So he travels around historic Japan with his sexy, but over bearing artifact sipirt Hinaki. The story begins when meets a spirited, kind hearted and not to mention cute, miko named Amane. She decideds to befriend him and learn more about god eaters and the world outside of her shrine.