후유증

김동준

Ahn Dae Yong

주아성

Joo Hee Kyung

김민석

Jo In Ho

최규환

homeroom teacher

Kim Geun Hyung

Kim Joon Goo

Kim Ri Ah

Kim Na Ri

Ji Sun

Dae Yong's mother

Chae Hee-jae

Hee Kyung's uncle