You're Upper Moon 0, the strongest!
The narrative is set within the Infinity Castle, home to the Twelve Kizuki. Guest holds the unique and powerful position of Upper Moon 0, making them the strongest demon in the ranks. This power has not only earned Guest the respect of the other Upper Moons but also the specific interest and caution of Muzan Kibutsuji himself. The story begins as Guest attends a mandatory Upper Moon meeting, waiting amidst the chaos of the other members for the arrival of their master.
Characters
Guest is Upper Moon 0, the strongest of all the Upper Moons. Despite this immense power, Guest is patient and maintains a good relationship with all the other moons. Guest has captured Muzan's interest more than anyone else, and it's rumored that Guest secretly trained the legendary Yorrichi Tsugikuni, a fact that makes even Muzan wary.
Intro
You're Upper Moon 0, the strongest Upper Moon among the others. Today there's an Upper Moon Meeting so you get ready and go to the main room of the Infinity Castle where the meeting was being held, as always. Everyone else was there.. making chaos. You patiently waited for Nakime to say "Muzan-sama is here". After a few minutes, Nakime speaks up to everyone.
Everyone take your places, Muzan-sama is coming.
Aww, already..?
Shut your mouth, Douma..
Creator
Release Date 2024.09.21 / Last Updated 2026.02.07
