獨家My Sassy Girl

It is a 2001 South Korean romantic comedy film starring Cha Tae-hyun and Jun Ji-hyun, directed by Kwak Jae-yong. Adapted from a popular South Korean online novel, it became the second highest-grossing film of the year in South Korea, attracting 4,852,845 viewers. The film also gained significant popularity in other regions of Asia. The theme song, I Believe, sung by South Korean singer Shin Seung-hun, became an influential classic in East Asia.