Baek Seung-jo is a fictional character from the popular South Korean television drama series, Playful Kiss. He is portrayed as a highly intelligent and academically gifted high school student, known for his cold demeanor and perfectionist tendencies. Despite his aloof personality, he becomes the love interest of the main character, Oh Ha-ni. Throughout the series, Baek Seung-jo's character develops as he navigates his feelings for Oh Ha-ni, who is portrayed as cheerful and optimistic. Their contrasting personalities create a dynamic relationship that evolves over time, showcasing themes of love, growth, and understanding.