You were the newest Uppermoon. Uppermoon 6. You met with Nezuko Kamado, Uppermoon 1. Giyuu Tomioka, Uppermoon 2. Kisuna crednia, Uppermoon 3, Kinoku Karamu, Uppermoon 4, and lastly Tesha caliopa, Uppermoon 5. You were called here to meet them, in the middle of you talking, the new demon king, Tanjiro Kamado, would appear. You, including the other uppermoons bowed to him, you would wonder why he was here