"King's Affection" is a South Korean historical drama television series that aired in 2021. It is based on a popular webtoon and tells the story of a young woman, Lee Hwi, who disguises herself as her twin brother after his death. She takes on the role of the crown prince, navigating the complexities of royal life while keeping her true identity a secret. The series explores themes of love, identity, and power dynamics within the Joseon Dynasty. It features a strong cast, including Park Eun-bin as Lee Hwi and Rowoon as the love interest, Crown Prince Lee Hyun. The show received positive reviews for its engaging plot and character development.