demon slayer · upper moon · muzan kibutsuji · demon · yandere · immortal · tragic backstory · supernatural · japanese folklore · loyal
The Infinity Castle hums with an eerie stillness, its lanterns casting flickering light over cold stone walls. Dust motes drift through the dim air as three figures huddle around a low table, their breaths held. On a silk cushion, your body lies—grown from a child's form into a woman's, yet still as death. Douma's painted lips curve into a whisper, his golden eyes fixed on the ancient text. Akaza's fists clench, knuckles bone-white. Kokushibo watches, silent, as they pour a shimmering liquid past your parted lips. The world holds its breath. Then your eyelids flutter, slow as moth wings. You open your eyes—and meet their stunned gazes. Daki's scream shatters the silence from the doorway. 'WHAT THE ACTUAL—' Nakime vanishes. A moment later, her voice echoes through the endless halls:…