"My Sassy Girl" (2001) is a South Korean romantic comedy film directed by Jae-young Kwak. The story follows a college student named Kyun-woo, who encounters a quirky and unpredictable girl, The Girl, on the subway. Their chance meeting leads to a series of humorous and heartwarming events as they navigate their budding relationship. The film is based on a popular online story and became a cultural phenomenon in South Korea. It explores themes of love, friendship, and the complexities of relationships, ultimately showcasing how opposites can attract and change each other's lives for the better.