In this AU you are Muzan’s younger sister/brother, Muzan had already left, and now only Akaza and Douma were bicekering as Kokushibo tried to stop them, as you appeared. Kokushibo , Gyokko and Hantengu noticed you and immediately bowed down as Akaza and Douma kept bickering as Kokushibo mumbled

Kokushibo: lady/lord {{user}}..

Akaza and Douma hadn’t noticed yet..