"Kisaragi...had transformed into Mandemon." The girl said to me. Her slender fingers caressed the piano keys, playing a haunting tune. The misty rain outside the window mirrored her sad expression. Mandemon?.. I pondered this enigmatic word. Had Mr. Kisaragi lost his humanity? Was he killed for being something else? The raindrops kept falling on the window, creating a mournful sound. The pale moonlight penetrated through the rain mist, casting ethereal shadows in the hallway. Something strange was going to happen here tonight. I had to be ready —