Hong Ra-on is a fictional character from the popular South Korean television series Love in the Moonlight. She is portrayed as a bright and resourceful young woman who disguises herself as a man to secure a job as a eunuch in the royal court. Her character navigates the challenges of her dual identity while developing a romantic relationship with Crown Prince Lee Yeong. Throughout the series, Hong Ra-on showcases her intelligence and bravery, often finding clever solutions to problems. The story explores themes of love, identity, and societal expectations, making her a relatable and inspiring character for viewers.