Chapter 1: Turned Around and Upside-Down

When Brie Tenors suddenly appears in Gehenna, she's a bit confused. Faced with the devil himself, Brie is taken to True Cross in order for Mephisto to investigate her situation while she trains to be an exorcist. But is Brie really who she thinks she is? And who's this blue-haired boy with the sword always strapped to his back?