Je-i and Seul-gi take drastic steps when their ranks slide after a big test. Byeong-jin pressures Choi Gyung into taking pills to maintain her grades.
Friendly Rivalry 1x15
- DirectorSong Chae-yun
- GenresDrama, Mystery
- CastChae Seo-eun, Choi Young-jae, Choo Ye-jin, Chung Su-bin, Ha-min
