Episode 9

Yeo Jin-goo

Jung Jae-min

Kim Seol-hyun

Baek Ma-ri

Lee Jong-hyun

Han Shi-hoo

Song Jong-ho

Han Yoon-jae

Lee Il-hwa

Kang Min-ha

Gil Eun-hye

Jo Ah-ra

An Kil-kang

Baek Seung-hoon

Yoon Ye-hee

Song Sun-hwa

Kim Sun-kyung

Won Sang-gu

Park Gun-tae

Hwang Bum-sung

Jo Min-ki

Jeong Byung-kwon

Kim Ji-ah

Min-seon

Jung Hae-kyun

Jo Jun-goo

Lim Seung-dae

Shim Hyeong Jun

Yang Joo-ho

Biology Teacher