Laila is an angel apprentice under Nanael, who has become an archangel. However, her results do not go well, and Nanael plots to create a miracle that turns Lyra's potential into a one-shot reversal. On the other hand, in the city that never sleeps, Airi, the one who invites you to the underworld, is working behind the scenes. Approaching there is an angel's mistaken miracle, a terrifying thing that destroys everything, the divine punishment giant Erosim. Here begins the desperate joint struggle between ghosts and angels!