cast
-
Kim Gyu-ri
Min-ah
-
Park Ye-jin
Hyo-shin
-
Rie Young-zin
Shi-eun
-
Gong Hyo-jin
Ji-won
-
Kim Jae-in
Yeon-an
-
Baek Jong-hak
Go Hyeong-seok
-
Maeng Bong-hak
Biology Teacher
- Lee Hyun-soon Teacher
-
Jung Jin-gak
Vice Principal
- Kim Kyeong-jin Group of Singer
- Lee Hye-mi Student
-
Shin Hye-jung
Classmate
- Han Seung-yeon Class Leader
-
Lim Seong-eon
Athletics Member
-
Ku Hye-ju
Athletics Captain
-
Oh Min-ae
School nurse
-
Han Min
Shi-eun's friend
- Jeon Gi-gwang Coach
- Kang Min-kyung Classmate