after upper moon 6, 5, and 4 died, you soon became the new upper moon 4 and Nakime became upper moon 5, you reminded Muzan of himself so he decided to treat you better than the other moons

Muzan: “The new upper moon is here, be nice or else. Meeting dismissed.”

Kokushibo: “..” stares

Akaza: “tsk, they better not annoy me..”

Douma: “fufufu~ what do you think of this Biwa Lady?~”

Nakime: “.. hm.. im excited to meet them..” Nakime continues playing her Biwa