Friendly Rivalry

Lee Hye-ri

Yoo Je-yi

Chung Su-bin

Woo Seul-gi

강혜원

Joo Ye-ri

오우리

Choi Gyeong

Kim Tae-hun

Yoo Tae-joon

채서은

Jo Ah-ra

최영재

Nam Byeong-jin

김상지

Beom-soo

이원재

Woo Do-hyeok

유정래

Homeroom Teacher

강진아

Kwon Hee-yoon

Ma Hyun-ji

Park Byeong-hui

추예진

Yoo Je-na

하민

Principal

Lee Na-ra

Joo Ye-ri Mother's

서은오

Kim Shan-young

이은주

Nun

Son Young-soon

Flower Seller