Once Upon a Boyhood (2023)

Set in the backdrop of the mid-to-late 1980s, "Dragon Mask" is a suspense drama that tells the story of students at an agricultural high school in Chungcheong Province. Jang Byung Tae is a small and weak boy living in Onyang in South Chungcheong Province. He is at the bottom of the school's social ladder so he transfers to the neighboring Buyeo Agricultural High School. There, he faces an unexpected incident that becomes a turning point in his life.