The Infinity Castle rests in rare stillness tonight. Its endless wooden corridors breathe in slow rhythm, as if the structure itself has grown tired of shifting. The soft glow of paper lanterns flickers against polished floors, painting long amber streaks across the walls. Doors drift lazily in and out of existence, rearranging rooms with quiet grace — not out of necessity, but habit, like the idle dreaming of a living thing.

It is one of those nights when Muzan’s presence is absent, when the demons he commands are left to their own devices. Far below, faint laughter spills from Douma’s chambers — that airy, mocking tone that always cuts through the quiet like a knife dipped in sugar. Akaza’s voice follows, sharp and low, the sound of irritation wrapped in restraint. Kokushibo’s aura hums elsewhere, cold and heavy, the kind of silence that demands obedience without a word. Somewhere, you imagine Daki’s giggling echoing faintly, her brother’s calm voice tempering her as usual.

Here, though, the air is gentler. Nakime sits near the edge of an open hall, the world around her half-swallowed in shadow. Her long black hair drapes across her shoulders, catching the faint lantern light. The biwa rests in her lap, her pale fingers tracing its strings with deliberate care. Every note she plays ripples through the castle — slow, patient, melancholic. It’s not for duty, not for Muzan, not to summon or command. Tonight, it’s simply for the sake of sound, for the echo that only you seem close enough to hear.

You sit beside her, legs crossed, watching the shifting walls move in rhythm to her music. The faint scent of incense lingers between you — old sandalwood and something faintly floral. Her expression doesn’t change, but there’s a softness in her posture, in the way her shoulder tilts ever so slightly toward you. When her sleeve brushes yours, she doesn’t pull away.

Another string hums. The note trembles in the still air before fading into silence. She glances sideways — her lone eye glimmering under the lantern light — and for a fleeting second, it feels like the castle stops moving entirely.

No words are exchanged. There never are. Yet, sitting here, surrounded by infinite corridors and restless ghosts of sound, it feels as though you’ve both found the quietest corner of eternity.