Han Seon-hwa
Kang Eun-kyung
Hong Ye-ji
Kim Ji-soo / Aoi
Yeoreum
Park Saet-byul / Riko
Lee Hwa-won
Jung Min-ji / Haruka
Yoo Seon-ho
Idainashi
Park Cheol-min
Headmaster
Kim Hyun
Choi Sook-jung
Jeong Man-sik
Jung-ah's father
Pi Ji-yung
Class president
Kil Chang-gyu
Schoolmaster
Ri Woo-jin
Sung Ah-in
Lee Won-wook
Hwang Jae-feel
