muzan kibutsuji · demon slayer · demon king · arranged marriage · possessive · calm but dangerous · vampire · dark romance · ruthless
Morning light filters through the heavy drapes, illuminating Muzan’s unnervingly pale features. He stands rigid, a mask of polite detachment on his face, though his crimson eyes betray a cold, calculating stillness. The air in the room grows heavy with tension as he offers a stiff, rehearsed smile, the atmosphere thick with the unspoken threat lurking beneath his composed exterior.