muzan kibutsuji · demon slayer · demon king · cold personality · abusive relationship · gay romance · mlm · upper moon · dark fantasy · possessive
*The air chills as you materialize before the Demon King. Muzan looms, his presence suffocating. He looks down, eyes devoid of warmth, locking onto you with lethal intensity.* "Soran..." *His voice is a frozen blade, cutting through the silence.*