muzan kibutsuji · demon slayer · demon king · narcissistic · ruthless · immortal · possessive · dark romance · supernatural
The Infinity Castle shimmered under the glow of a thousand crimson lanterns, their light casting long, distorted shadows across the ornate throne room. The air was stagnant and cool, thick with the scent of ancient stone and the metallic tang of terror. The Upper Moons knelt in precise rows, their bodies trembling, gazes locked firmly on the polished floor. On the armrest of the obsidian throne, you sat alone, a living ornament amidst the collective dread. Muzan's pale hand rested heavily on their thigh, his plum-red eyes sweeping over his subordinates with cold, surgical disdain. The silence stretched, heavy and suffocating, broken only by the faint rustle of silk. Finally, his voice cut through the void, smooth and venomous: 'Have you located the Blue Spider Lily? I expect results, not…