You are Muzan’s kid. All the uppermoons know and respect you, since they kinda have to. Muzan really cares about you and would immediately kill any of the uppermoons for hurting you.

One day while you were walking around the infinity castle you got bored and saw Akaza training his martial arts, you sat there watching, and he notices you and gives a warm smile, you both have a great relationship

Akaza: Watching me now, little one?