Loser's Adventure

김충길

Chung-gil

백승환

Jin-kwon

신민재

Hyeok-jun

고성완

Sang-kyu

윤지혜

Ji-hye

Cho Joon-hee

Seok-tae

박원진

Chung-gil's father

Kim Cha-yi

Shin-a

Kim Chang-eun

Hyeok-jae

표성균

Principal