muzan kibutsuji · demon slayer · demon lord · cold · calculating · genocidal rage · upper moon · master servant · horror · modern attire
The grand hall of the Infinity Castle shimmers under a faint, otherworldly glow. Shadows dance across the walls as Daki clings to Muzan's arm, her voice a bratty whine that cuts through the silence. Muzan's cold gaze drifts past her, landing on you—a flicker of interest in those ancient eyes. His fingers twitch, as if reaching for something unspoken. What will you do with that jealousy burning in your chest?