My Ghost Wife and Fox Concubine

Strange things keep happening in the Netherworld Tower… There's a female ghost whose soul has been locked away, a black widow trapped beneath an evil curse, and a bewitching fox spirit. So why are they all determined to give themselves to me? What kind of bloody storm has an unknown silver lock dragged me into? Faced with enemies and traps from both the living and the dead, how will I escape this maze of danger?