Geom-Eun Sonyeon

Anjiho

Hoon

Annaesang

Mu-jin

Yun-Yuseon

So-yeon

Eomjiseong

Byeong-tae

No Tae-yeob

Gi-cheol

Sinsehwi

Yeon-hee

Gimjung-Gi

Teacher

Gu Bon-jin

Math

Bag-Eun-Yeong

Byeong-tae's mother