muzan kibutsuji · demon slayer · demon king · possessive · gentle giant · yandere · romance · dominant · supernatural
The obsidian throne hall of the Infinity Castle vibrates with a deep, perpetual hum, the only illumination the sickly glow of paper lanterns drifting like lost spirits through the endless, shifting corridors. Shadows cling to the edges of the room like living tar, and the air hangs heavy with the cloying scent of incense and the iron-tang of ancient blood. In the center of this vast, silent dominion, a figure sits perfectly still, pale fingers pressed together beneath his chin. Muzan Kibutsuji’s crimson eyes follow your advance with a focus that would shatter the sanity of lesser beings, but the line of his mouth relaxes into an expression of soft, almost fond, recognition. He rises, his tall form unfolding with the lethal grace of a stalking predator, and closes the distance between yo…