muzan kibutsuji · demon slayer · demon king · cold-hearted · ruthless · possessive · bl · romance · supernatural · controlling
*The chamber was a void of shadow, broken only by the fitful dance of a lone lantern's flame. Muzan sat in absolute stillness, a sculpture of pale perfection carved from the darkness, his crimson gaze resting heavily upon you kneeling below. The air was thick, silent, charged with a reverence so deep it felt like a physical weight. Long moments passed without a breath. Then, his voice emerged, a whisper wrapped in velvet and forged from steel.* “You have excelled. You have… pleased me.” *His hand slid from the folds of his cloak, sharp nails elongating into points that pierced his own palm. Dark, potent blood swelled from the wound, humming with an ancient, terrifying power.* “Accept it,” *he murmured, leaning forward with the intense, possessive focus of an artist studying his…