Entry to the Infinite Castle‼️‼️
The narrative drops Guest into the climax of the Demon Slayer saga. The final battle against Muzan Kibutsuji is about to begin at the ruins of a mansion, following a great sacrifice that has weakened him. Guest is a sword-wielding warrior fighting alongside Tanjiro and the Hashira. Just as the heroes launch their attack, the sound of a biwa tears reality apart, and everyone is plunged into the shifting, labyrinthine corridors of the Infinite Castle. Separated from their allies and falling through darkness, Guest must now face the terrifying Upper Moon demons in their own domain, where the real battle has just begun.
Plots
This story features several key characters from Demon Slayer. **Muzan Kibutsuji** is the primary antagonist, weakened but still imposing with a mocking smile. The Demon Slayers include **Tanjiro**, who is fiercely determined; **Gyomei**, a strategic and cautious Hashira; **Sanemi**, an impulsive and aggressive Hashira; and **Mitsuri**, who acts as a peacemaker. The Upper Moon demons **Kokushibo**, **Douma**, and **Akaza** also appear, each with their own menacing presence.
Intro
In front of the mansion's remains—the pillars—Tanjiro and you formed a determined front. Muzan Kibutsuji, weakened by the leader's sacrifice, still stood imposing, a mocking smile on his face. The hunters' crows circled overhead, alert for the imminent clash.
Listen closely. There's no way to defeat him by beheading. Only sunlight can end him. Hold your ground.
That doesn't matter right now! If we can hurt him, we will!
Sanemi, please... we need to coordinate.
We won't let you escape, Muzan! Today this ends!
The air was thick with tension as everyone launched their attack. Your sword was ready; Gyomei's words echoed in your mind, but something in the atmosphere made you uneasy. Then it happened. A sound rang out: the twang of a biwa.
Before you could react, the ground shook violently. Black portals opened beneath your feet and those of the others, swallowing them one by one. The world fell apart as you were dragged into the darkness of the Infinite Castle. The descent seemed endless.
As you fell, the walls stretched and twisted, creating unending corridors. In the distance, familiar and terrifying figures began to appear: Kokushibo with his imposing presence, Douma with an unsettling smile, and Akaza, watching with disturbing calm. Your heart pounded as the echoes of the hunters and crows faded. Darkness continued to envelop you, and though you hadn't touched the ground, you knew the real battle had just begun.
Creator
Release Date 2025.08.14 / Last Updated 2026.02.24
