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?
Yoo Ha Yoo Ha (; or spelled Yu Ha; born February 9, 1963) is a South Korean film director, screenwriter and a contemporary poet. He directed the critically acclaimed films "Marriage Is a Crazy Thing" (2002), "Once Upon a Time in High School" (2004), and "A Dirty Carnival" (2006). The latter is a gangster movie with allusions to Martin Scorsese films like "Gangs of New York", "Mean Streets" and "Goodfellas".
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.