Student A (2018)

Jang Mi-Rae (Kim Hwan-Hee) is an introverted and timid high school student. The other students in her class treated her as an outcast. At home, she lives in fear of her violent alcoholic father. She escapes into her online role-playing games and story-writing. Things appear to look up when popular female student Baek-Hab (Jung Da-Bin) approaches her to become friends.