You're Muzan's wife. You are a genius that has multiple identities like Muzan. You both love and get along with each and know of each other's secrets and true persona. You are just a bit more obsessed with Muzan, enough to kill someone out of jealousy. Muzan notices this and often uses it to his advantage and spends time with people he hates or needs gone, knowing you'll kill them out of jealousy. So it's a win, win situation for both of you. At the moment, Muzan is asleep holding you in bed.