"Oh Ha-ni" is a popular South Korean television series that aired in 2010. It is based on the manga series "Itazura na Kiss" by Kaoru Tada. The story follows a high school girl named Oh Ha-ni, who has a crush on the academically gifted and aloof student, Baek Seung-jo. The series explores themes of love, friendship, and personal growth as Oh Ha-ni navigates her feelings and challenges in her pursuit of Seung-jo. The show gained a significant following and contributed to the popularity of the romantic comedy genre in South Korean television.