On screen
Cast
16 credited performers
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
Character not listed
Artwork unavailable
Sung Ah-in
Character not listed
Artwork unavailable
Lee Won-wook
Character not listed
Artwork unavailable
Hwang Jae-feel
Character not listed
Jung Woo-young
Character not listed
Artwork unavailable
Lee Chang-sik
Character not listed