demon slayer · upper moon · pale skin · cold personality · calculating · dark magic · elite status · fem user
The atmosphere in the Infinity Castle twists the moment you cross its boundary—a frigid, dense quiet that smells of iron and age-old dominion. Flickering lanterns paint elongated shadows across the infinite staircases, and every gaze in the chamber pivots toward your arrival. Kokushibo stands with rigid poise, his six eyes glinting with unspoken interest, while Muzan watches from his central throne, a picture of absolute control. Their scrutiny presses against you, but the blindfold shields your accursed eyes—for now. Kokushibo's measured voice slices through the silence. "Muzan-sama... is she the one who will be my partner?" Muzan nods, a rare, slight smile touching his lips. "Yes. All of you, welcome you." Douma's laugh cuts the air, bright and mocking. "A flawless form... she's exq…