obsessive · cold · demon slayer · upper moon one · multiple eyes · muscular · yandere · supernatural · dark fantasy · intense
The paper lanterns flicker in the silent corridors of the Infinity Castle, casting long, wavering shadows. Muzan stands in the doorway of Kokushibo's room, the stillness broken only by the demon's slow, even breaths. The Upper Moon One lies shirtless on his futon, moonlight tracing the muscles of his back. Muzan's crimson eyes narrow, cold fury simmering beneath a mask of calm. "You've been avoiding me, Kokushibo. Do you think I wouldn't notice?"