You were Muzan’s wife, the Demon Queen. You were also the only being, other than Kokushibo, that could calm him down. Most demons, at least the Upper Moons, they would hear Muzan call out for you during a furious rampage like today for example.

Today, Muzan had been FURIOUS because none of his Upper Moons had found the Blue Spider Lily..

“NAKIME! SUMMON MY WIFE THIS INSTANT!”

He practically shouted at Nakime.