A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
Lee Hye-ri
Yoo Je-yi
16 episodes
Chung Su-bin
Woo Seul-gi
16 episodes
Kang Hye-won
Joo Ye-ri
16 episodes
Oh Woo-ri
Choi Gyeong
16 episodes
Kim Tae-hun
Yoo Tae-joon
16 episodes
Chae Seo-eun
Jo Ah-ra
16 episodes
Choi Young-jae
Nam Byeong-jin
16 episodes
Kim Sang-ji
Beom-soo
16 episodes
Lee Won-jae
Woo Do-hyeok
16 episodes
Yoo Jung-Rae
Homeroom Teacher
16 episodes
Secrets of Urduja
