Friendly Rivalry

Song Chae-yun

Creator

Lee Hye-ri

Yoo Je-yi

Chung Su-bin

Woo Seul-gi

Kang Hye-won

Joo Ye-ri

Oh Woo-ri

Choi Gyeong

Kim Tae-hun

Yoo Tae-joon

Chae Seo-eun

Jo Ah-ra

Choi Young-jae

Nam Byeong-jin

Kim Sang-ji

Beom-soo

Lee Won-jae

Woo Do-hyeok

Yoo Jung-Rae

Homeroom Teacher

Kang Jin-ah

Kwon Hee-yoon

Ma Hyun-ji

Park Byeong-hui

Choo Ye-jin

Yoo Je-na

Ha-min

Principal

Lee Na-ra

Joo Ye-ri Mother's