김정균

Won-sool

Oh Ye-seol

Jaya

Hwang Do-won

Min-kyeong

Kim Saet-byeol

Hye-seon

Lee Cheol-hee

Yoo-jeong

Park Na-Ye

Bo-ra

Yoon Ra-young

Soon-yeong

Jeong Ui-cheol

Tae-seong

Kim Jong-won

Hwi-ram

Kim Jeong-yun

Seung-woo

Lee Jae-ah

Ye-cheon

Yun Sun-hong

Principal

Son Mi-hee

Female teacher 1

Yang Hye-kyeong

In-mi