[DeepL Translation - needs review] Introduction to Volume 1: A letter arrives for Kon Eida, a new newspaper reporter. It was a request to dispose of a cursed box found in an old family storehouse. In order to solve the curse, Kon visited a mansion in Kagurazaka called Hakoyashiki, where a beautiful but mysterious girl named Urara whispered softly to him: "There are some boxes that cannot be opened. There is no box that cannot be opened, and there is no box that cannot be closed." The box, fi...
