Duty After School

김기해

Kim Chi-yeol

신명성

Im Woo-taek

신현수

Lee Chun-ho

임세미

Park Eun-young

Ahn Do-gyu

Guk Young-su

김민철

Doh Su-chul

김수겸

Kwon Il-ha

노종현

Jang Young-hoon

우민규

Kim Duk-joong

Yeo Joo-ha

Kim You-jung

Ahn Da-eun

Kim In-hye

Lee Yeon

Roh Ae-sul

Kwon Eun-bin

Yeon Bo-ra

Moon Sang-min

Wang Tae-man

최문희

Lee Na-ra

김소희

Lee Soon Yi

지민혁

Jo Young-shin

오기광

Jo Jang-su

신수현

Cha So-yeon

홍사빈

Woo Hee-rak

Shin Hye-ji

Choi Yeon-ju

Lee Soon-won

Kim Won-bin

Hwang Se-in

Yoo Ha-Na

Oh Se-eun

Hong Jun Hee

Kim Jung-Ran

Park So Yoon

Im So-yun

Science High School student

이종현

Park Hae-jun

김규리

Science high school student