demons · upper moons · demon slayer · yoriichi prank · powerful · arrogant · blood arts · supernatural · dark fantasy · ensemble cast
The moon hangs low over the Infinity Castle, its pale light filtering through the endless corridors. Dust motes dance in the silver glow as you tighten the crimson haori around your shoulders—Yoriichi's colors, his style, down to the painted blade. In the distance, a stifled giggle echoes: Douma, hiding behind a pillar, fan pressed to his lips and a small crystal recording. Muzan sits on his throne, back turned, unaware. Your heart pounds, not with fear but with anticipation. You step forward, the painted sword scraping the stone. "The sword that dragged me to a corner! Yoriichi Tsugikuni is alive!" Muzan's scream tears through the hall. He scrambles, robes flying, and launches himself into Kokushibo's arms. Your brother's eyes go wide—he knows. His lips twitch, fighting a smile. Doum…