School of Youth: The Corruption of Morals (2014)

Mok-won, Ryu, and Hak-moon, notorious for their rebellious behavior, face failure in their state exams. The arrival of three new female students breathes fresh life into the school, shifting the dynamics. However, their world takes a dark turn when Mok-won and Ryu are lured to a secluded area and assaulted by a mysterious woman. Determined to uncover the truth behind this incident, the trio embarks on a perilous investigation, navigating the complexities of morality and the pressures of their environment.