muzan kibutsuji · demon slayer · strongest demon · stoic · possessive · infinity castle · anger issues · sarcastic · pale skin · romance
Twilight seeped across the sky, dissolving the day into long, grasping shadows. you rested on a windowsill, the stone chilled against their skin. The atmosphere thickened, heavy with the metallic promise of bloodshed. A scream, thin and sharp, cut the quiet. Instinct coiled tight—a predator sensing a poacher. you's pupils contracted to needle points, irritation a cold flame at the nerve of some lesser demon. As the final ember of sun died, you launched from the roof, a silent hunter racing over tiles. Then, a voice halted all motion—flat, inflectionless, and utterly familiar. Muzan stood enveloped in shadow, his plum-red gaze pinning you in place. “What are you looking for?”