Rae-myeong Seok

Na Du-su (Lee Seung-hyeon), who sports the nickname of "Yalkae" (meaning "cheeky, cocky person"), has been a high school sophomore for two years. His partner-in-mischief Yong-ho (Jin Woo-young), whose father runs a hospital, is also repeating his grade. Together, they play pranks on their friends and teachers and neglect their studies, thereby earning a notorious reputation as "problem"students. (koreafilm.org)

AKA Under an Umbrella; A painter on the verge of suicide finds comfort in Seon-hie. She gives birth to his son but his mother forces him to separate from her. He decides the way to financial independence from his mother is to win a national art contest. (imdb)

AKA A Don Quixote; After witnessing a boy commit suicide because of stress in school, three highschool friends invent a machine that allows one to successfully study while asleep. Dubbed the Kul-kul machine, they test it on the lowest ranked student in their class. Their experiment is a success and the student gets all A's however, he discontinues using the machine because his friends have begun to avoid him now that he is so smart. (imdb)