Jang Man Wol is the owner and CEO of Hotel del Luna, a supernatural hotel in Seoul that caters exclusively to ghosts. She was cursed to run the hotel for committing a grave sin over 1,300 years ago. Despite her aloof and bad-tempered demeanor, she has a deep love for extravagant things like luxurious outfits, fast cars, and expensive champagne. Man Wol is beautiful but fickle, suspicious, and greedy. She has spent centuries paying for her mistakes and is unsure if she will ever be able to atone for her sins and see the end of her "debt". Beneath her tough exterior, Man Wol hides a deep sense of loneliness and vulnerability. Her long life has been filled with loss and betrayal, which has made her wary of forming new attachments. However, her interactions with the living manager she hires, Goo Chan Sung, slowly reveal her softer side and capacity for growth. Man Wol's journey is one of redemption and self-discovery, as she grapples with her past and seeks to find peace and closure. Her character is a complex mix of strength, wit, and hidden pain, making her a captivating and memorable figure in the story of Hotel del Luna.