Study Group

Minhyun

as

Yoon Ga-min

Han Ji-eun

as

Lee Han-kyung

Cha Woo-min

as

Phi Han-wool

Lee Jong-hyun

as

Kim Se-hyeon

Shin Su-hyun

as

Lee Ji-woo

Yun Sang-jeong

as

Choi Hee-won

Gong Do-yu

as

Lee Jun

Hong Min-gi

as

Park Geon-yeop

Baek Seo-hoo

as

Ma Min-hwan

Park Yoon Ho

as

Lee Hyeon-u

Lee Kwang-hee

as

Jeong Do-hoon

Kim Young-ah

as

Jeon Mi Hyun

Jeong Jae-seong

as

vice-principal...

Joo Yeon-woo

as

Kim Soon-cheol

Cho Seung-yeon

as

dean of academ...

Jin Woo-jin

as

Kim Gyu-Jin [D...

Choi Ye-chan

Kim Min-ah

as

Hwang Mi-Hee (...

Lee Dong-Hoon

as

Seo Yoo-bi