Han Seon-hwa
Kang Eun-kyung
홍예지
Kim Ji-soo / Aoi
여름
Park Saet-byul / Riko
이화원
Jung Min-ji / Haruka
유선호
Idainashi
Park Cheol-min
Headmaster
김현
Choi Sook-jung
Man-Sik Jeong
Jung-ah's father
피지융
Class president
길창규
Schoolmaster
리우진
성아인
이원욱
황재필
