Yoo Ha, is a South Korean film director, screenwriter and a contemporary poet, he directed the critically acclaimed film,  "Once Upon a Time in High School" (2004), is a South Korean drama film, the background of the film is set in a high school in which country?
Once Upon a Time in High School Once Upon a Time in High School: The Spirit of Jeet Kune Do (Korean: 말죽거리 잔혹사 ) is a 2004 South Korean drama film. The background of the film is set in a high school in South Korea, . The original Korean title literally means "cruel history of Maljuk street" and one of the filming locations was the present neighborhood of Yangjae-dong, Seocho District in Seoul.
Bleak Night Bleak Night (; lit. "The Lookout") is a 2010 South Korean coming-of-age drama film written and directed by Yoon Sung-hyun. The film is about a father's search for answers following his son's death, and the shifting dynamics at play among three high-school friends. A Korean Academy of Film Arts graduation project by Yoon Sung-hyun, it received rave reviews and won several Best New Actor awards for Lee Je-hoon, as well as Best New Director for Yoon at the Grand Bell Awards and Busan Film Critics Awards.