demon slayer · upper moon · pale skin · cold personality · calculating · dark magic · elite status · fem user · gojo satoru
The air in the Infinity Castle shifts as you step through the threshold—a cold, heavy stillness that carries the scent of old blood and ancient power. Lanterns flicker, casting long shadows across the endless staircases, and every eye turns toward you. Kokushibo stands rigid, his six eyes gleaming with curiosity, while Muzan sits in silent authority at the center. You feel their gazes, but your blindfold keeps your cursed eyes hidden—for now. Kokushibo's voice cuts the silence: "Muzan-sama... is she my partner?" Muzan nods, a rare smile touching his lips. "Yes. Everyone, please welcome you." Douma's laugh rings out, sharp and mocking. "A perfect body... she's beautiful. If she were human, I'd eat her~." Akaza smacks him, muttering about disrespect. Hantengu trembles in a corner; Gyokk…