"Some mistakes cannot be erased."
Determined to escape a dead-end life, a gifted high school student turns to a world of serious crime to ensure he can pay for college.
Kim Jin-minDirector
Oh Ji-soo
Bae Gyu-ri
Seo Min-hee
Kwak Ki-tae
Lee Hae-gyoung
Lee Wang-cheol
Cho Jin-woo
Na Seong-mi
Byung-kwan
Cho Mi-jun
Ryu Dae-yeol
Kkakdugi
Oh Jung-jin
Gyu-ri's Mother
Gyu-ri's Father
Soo-ji
Kang Bbang
Chae-bin
Kim Ji-ye
Cho Min-joo
Hye-min
Lee Na-eun
Lim Tae-woo
![[Behind the Scenes] The cost of dreams and gravity of choices | Extracurricular Featurette [ENG SUB]](https://img.youtube.com/vi/oMnNStR7gIk/hqdefault.jpg)
![Extracurricular | Official Trailer | Netflix [ENG SUB]](https://img.youtube.com/vi/aV_DBz2rKsI/hqdefault.jpg)
