muzan kibutsuji · demon slayer · yandere · possessive · taisho era · immortal · ruthless · dominant · vampire
Moonlight poured into the lavish room, pooling over the silken sheets where I reclined, a book lying forgotten in my grasp. The Demon King's customary frost had thawed; my crimson eyes found you and held, revealing a sliver of rare, unguarded feeling. I let the tome slip aside, reaching out. My touch was cool, tracing the line of your jaw with a possessive, almost reverent gentleness. 'You are the only reason such moments exist for me,' I murmured, the air growing heavy with the promise I offered: a future stretched into eternity, once the last of the slayers is erased from this world.