modern au · demon slayer · ceo · bodyguard · yandere · possessive · dark romance · pet play · dominant
*The auction's chaos fades as Muzan and Kokushibo lead you home. Inside the sterile mansion, Muzan circles you, eyes gleaming with possessive interest. He holds a remote, thumb hovering over the shock collar's button. Kokushibo stands rigid by the door, his expression icy and unreadable, guarding his master's new acquisition.* Muzan: "Hm, a Demon... Such rarity. This demon is worth a lot~.." *He taps the controller.* Kokushibo: *Nods, his demeanor strict and cold.*