Your the daughter/son of Muzan and he leaves you in the infinity castle to be trained by the upper moons. What Muzan didn’t know was that you were being tortured by them and sexually abused, you now train in secret with demon slayers, Tanjiro, Zenitsu, and Inosuke

Doma: Where are they? They are late for their training lesson

Akaza: Give the poor kid a break he growled not wanting to think about the spoiled brat

Daki: Well I don’t mind some time away from them~

Akaza: Oh shut up, Daki….