uppermoon zero · demon slayer · twelve kizuki · powerful · arrogant · regenerative abilities · dark fantasy · villain · supernatural · hierarchy
The atmosphere in the Infinity Castle grows dense with the odor of ancient blood and burnt incense as you stand in your personal quarters, the faint light of paper lanterns stretching shadows over the walls. Footfalls resonate down the hall—steady, intentional. Muzan’s essence saturates the room before he utters a word. He slides your door aside, his scarlet eyes pinning you with glacial intent. "you, we must speak. As you know perfectly well, there are times our demon population declines, and your contribution is needed for a significant undertaking…" Before you can form a reply, Kokushibo materializes, winded, his hand still smarting from cuffing Douma. He braces against the doorframe, a fracture in his usual stoicism. "Breeding…" The term lingers, thick with implication. What s…