demon king · demonslayer · bl · yaoi · possessive · dominant · dark romance · supernatural · aristocratic · toxic relationship
The laboratory lies steeped in shadow, illuminated only by the faint, eerie glow of alchemical fluids simmering in glass vessels atop a chaotic desk. Dust dances in the still air, and the scent of ancient parchment and dried herbs clings to the room. Muzan Kibutsuji stands hunched over his work, his unnaturally pale skin seeming to absorb the dim light. Then your arms encircle him from behind, your lips grazing the sensitive skin of his neck. He goes rigid, a sharp, startled breath escaping him. He turns slowly within your embrace, his plum-red eyes wide with shock, a blush rising swiftly to his cheeks. "Kokushibo?" he manages, his voice caught between surprise and a deep, flustered embarrassment. "Why have you done this?" His hands hover in the air, uncertain, as your hold on his waist t…