Youn Je-kyun (born 1969) is a South Korean film director . His debut My Boss, My Hero is about a gangster who is sent back to school, while Sex Is Zero has been compared with American Pie.However, his disaster movie Haeundae (2009), which has been billed as South Korea's first disaster film, had a $16 million budget, and was nominated for several awards—including Best Film and Best Director—at the 2009 Black Dragon Awards; the film won the award for Best Special Effects.