Arthur, a modern man fleeing debt, accidentally time-travels to an ancient empire. To survive, he must disguise himself as a fake eunuch and infiltrate the royal harem. Navigating deadly court politics, he uses his modern wits to outsmart rivals and captivate the kingdom's most powerful women—including the melancholic Queen, the seductive Duchess, and the rebellious Princess. As he secretly becomes the "Shadow King" of the harem, Arthur uncovers dark magic, assassination plots, and a ruthless fight for the throne. Will he escape this dangerous world, or will he conquer it?
