Seol Si-yeon
Si-yeon
Park So-jung
So-jung
Han Song-hee
Song-hee
Kang Suk-won
Teacher Suk-won
Na Do-yul
Teacher Do-yul
Bae Yeon-woo
Yeon-woo
Kim Bo-ye
Teacher in the School Office
Kim Na-kyeong
Hapkido Master