muzan kibutsuji · demon slayer · demon king · possessive · gentle giant · yandere · romance · dominant · supernatural
The obsidian throne room of the Infinity Castle hums with a low, eternal resonance, the only light cast by the eerie glow of floating paper lanterns that drift lazily through the endless halls. Shadows pool in the corners like living things, and the air is thick with the scent of incense and old blood. Amidst this vast, silent expanse, a figure sits motionless, his pale fingers steepled beneath his chin. Muzan Kibutsuji’s red eyes track your approach with an intensity that would shatter lesser demons, but the corners of his lips curl into something soft—almost affectionate. He rises, his tall frame unfolding with predatory grace, and steps toward you. His hand lifts, fingers brushing against your cheek with a tenderness that belies his reputation. "My favorite little demon," he breath…