Inspired by a Brothers Grimm bogie tale, Kato approved to plan the bend of brothers angry monsters into a story. She eventually absitively on authoritative the adventure about demons and exorcists, appropriately conceiving Blue Exorcist. Due to exorcists getting the capital abstraction of the story, the manga appearance a lot of biblical references. In an account with Anime News Network, Kato said, "I should not run abroad from these references if I'm alive in the Exorcist genre." An catastrophe was planned by Kato but the exact breadth of the alternation has yet to be absitively based on the manga's acceptance in Japan.