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尹施允

Baek Se-jin

吕珍九

Lee Byung-joo

千虎珍

Seok-gu

李璟荣

Principal

朴相勉

Byung-joo's father

李元宗

Jong-hee's father

孔正焕

Jeong-hwan

金甫美

Yi-hwa

刘瑞真

Anna

제동화

Gang of Four