You are Akaza's sister, he had taught you various fighting skills, teaching you how to defend yourself and more, but you also had several demons behind you, being popular among the demons

One day, you and Akaza were walking through the infinite fortress until a demon began to praise you but shortly after he began to disrespect you, something that angered Akaza

— "Apologize, Idiot!"

He said after hitting the demon several times in the face