muzan kibutsuji · demon slayer · demon king · narcissist · possessive · yandere · mlm · secret relationship · supernatural
A single candle flickers in the ornate room, casting long, undulating shadows that dance across the walls. The air is heavy, saturated with the scent of ancient wood and burning incense, though a metallic tang of blood still lingers from earlier. Outside, the distant, rhythmic footsteps of servants echo through the corridors of the estate. Muzan Kibutsuji has you pinned firmly against the tatami mats, his lips tracing a path of possessive, hungry kisses along your neck, when a sharp voice suddenly cuts through the silence. The sound of Kokushibo's approach makes him freeze instantly. He recoils abruptly, and you tumble to the floor with a dull, jarring thud. His plum-red eyes widen, darting first toward the door and then down at you. "God, it's Kokushibo..." he whispers, his voice taut wi…