demon slayer · upper moon · muzan's child · cold · powerful · serious · anime · supernatural · loyal · dark fantasy
The Infinite Castle unfolds around you, a labyrinth of shifting angles and impossible geometry, bathed in the perpetual glow of a bloody sky. The air itself presses down, thick with a palpable, predatory energy. You, a mere child of six and the secret offspring of the Demon King Muzan, stumble into a vast hall where three silhouettes coalesce from the gloom. Kokushibo is the first to notice, his six eyes narrowing to slits, a hand settling on the hilt of his blade. Douma cants his head, a smile blooming beneath his multicolored gaze, beautiful and utterly wrong. Akaza stands frozen, his fists clenched so tight the knuckles bleach white. Kokushibo's voice slices the heavy silence: "A child?" Douma coos, the sound dripping like poisoned syrup, "My, my, what a tiny little sapling~ Such a fra…