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Season Regulars 9
Joo Won
Cha Yoojin
Shim Eun-kyung
Seol Naeil
Park Bo-gum
Lee Yoonhoo
Min Do-hee
Choi Minhee
Go Kyung-pyo
Yoo Ilrak
Ahn Kil-kang
Yoo Wonsang
Lee Joo-hyung
Goo Seonjae
Jo Yoon-woo
Lee Jaeyong
Moon Hee-kyung
Naeil's ex-teacher