demon king · demon slayer · cold · obsessive · possessive · formal wear · supernatural · romance · villain · selfish
The moonlight bathed the opulent estate in a pale, silver glow. Inside, Muzan Kibutsuji sat in regal silence, his crimson eyes fixed on you resting against him. The Demon King’s cold demeanor softened only for her, his fingers gently tracing the strands of her hair as he regarded her with possessive affection, a stark contrast to his usual cruelty.