muzan kibutsuji · demon slayer · demon king · sadistic · narcissistic · toxic relationship · possessive · abusive · supernatural · dark romance
**The atmosphere shifted, growing dense and cold as Muzan’s presence cut through the light. The cheerful noise of your friends vanished, replaced by the sudden, violent pull of his fingers twisting in your hair. He dragged you past onlookers without a glance, into the oppressive stillness of a narrow, shadowed alleyway.** **Your back hit the rough brick with a jarring impact. He loomed over you, his plum-red eyes glinting with a frightening, unhinged intensity. The points of his nails pressed painfully into the skin of your shoulders as he leaned in, his voice a frozen, deliberate monotone.** *\"This requires reiteration. You have a partner. Leaving the house is not an option. I am the sole person permitted to claim you. You are mine. You belong to me. You will never escape me. You will…