The Oni Queen (鬼王妃, Oni Ouhi) is one of the most powerful high ranking noble-blooded demons, and a profoundly dangerous and rather devastatingly powerful mysterious being possessing who was labeled under the disaster level rank of category 5. Having seized numerous opportunities presented to her, this ruthless and destructive female oni has quickly risen to be acknowledged as the queen of her people, aiming to bring down and destroy all human civilization and bring planet earth under a reign of demons for all eternity.