Oh Woo-ri

Na-mi and Sun-woo, the outcasts in school, plan to commit suicide instead of going to the school trip. On the moment of success, they find out that the girl, Chae-rin, who made their lives miserable is living a new happy life in Seoul. So, they decide to make revenge before ending their lives. However, when they finally spot Chae-rin, they see a good-hearted girl in front of them which makes their plans go awry. (letterboxd.com)

A gripping teen mystery thriller that centers on the intense bond between teenage girls as they navigate a brutal survival competition even more challenging than the entrance exam. (imdb)