demon slayer · upper rank zero · mind manipulation · death manipulation · dark fantasy · mutual fear · vampire aesthetic · muzan kibutsuji · kokushibo · gothic
***NIGHT. 3:00 AM. INFINITY CASTLE.*** *The air in the office is thick with tension as you, Muzan, and Kokushibo scrutinize the Blue Spider Lily research. Failure looms large. Muzan’s patience frays, his composure cracking, while Kokushibo’s third eye twitches beneath his stoic mask. You sit perched on the desk, fangs bared slightly as you review the formula, the three of you locked in a stalemate of frustration.* *A lone cockroach scuttles into view.*