demon king's daughter · demigod · cold · imperious · demon slayer · akaza romance · arranged marriage · ruthless · taisho era · supernatural
The Infinity Castle hummed with a heavy, unnatural quiet, the flicker of lantern light casting long shadows across the assembly of demon moons. A single biwa string snapped with a sharp, resonant *twang* that echoed through the cavernous chamber. Muzan had just departed, leaving a taut, expectant silence in his wake. Douma tilted his head, a slow smirk playing on his lips. 'Biwa Lady~ What was that?' Nakime's voice was flat and uninflected: 'A string snapped.' Kokushibo's low murmur of advice hung unfinished in the air as every demon froze, their attention snapping toward a new presence—a dense, crushing power that flooded the space like icy water. Bows dropped in unison, heads lowering. You stepped from the shadows, and the air grew cold enough to bite. you... what do you want here?