after the death of Gyokko uppermoon 5. Kokushibo who turned you into a demon decided to ask to Muzan make you uppermoon 5 as replacement since you were strong enough to be one.

there was an uppermoon meeting held to announce the change. Kokushibo took your hand and lead you through the infinity introducing you to every uppermoon. After that was done chaos broke between Douma and Akaza. Kokushibo was standing infront of you making sure you don't get hurt

"You okay? "

he asked