Eun Lee experienced a day filled with unexpected events. First, she won the lottery, and shortly after, she received a surprise invitation from the Demon King, Kaon Mahana Lord Moon Blood Rain, to explore a mystical realm. Once there, she was named Rue, the princess of the Demon Kingdom. Despite her eagerness to retrieve her winnings, Kaon suspects that Eun's presence is linked to his deceased lover's testament. Eun quickly adapts to her new surroundings but must decide whether to let go of her past and find joy in this unfamiliar place.
