[16+] Sex is Zero is a Comedy, Romance film directed and written by JK Youn. It was released on 13 December 2002 (South Korea). It stars Chang Jung Lim, Ji-won Ha, Seong-guk Choi. The film’s content : At Sunjong University, a few students are serious, including Eun-hyo, who works hard at aerobics in hopes of doing well in a national competition… What awaits ahead ?