Welcome to Demon-School, Iruma-kun

Bachiko finally starts training Iruma, on one condition. Bachiko is known to be one of the best archers in the underworld and she tells Iruma he'll have to make a bow of his own. Iruma transfers some mana into one of the feathers of the guardian of Cutthroat Valley that he finds at the Magical Apparatus Battler and creates a bow. But Bachiko tells him it's not good enough. Bachiko tells him that the most important thing is to visualize the bow that he wants the most, but...