Kim Min-young of the Report Card (2021)

20-year-old Jeonghee doesn't go to college and works part-time. She goes to meet Minyoung, her old high school roommate, for the first time in a while and wants to play with her as before. However, Minyoung, a college student, is busy sending correction emails for her credits and feels uncomfortable by Jeonghee's visit.