Casts
Nam Ji-hyun
Park Jin-ju (Blue Bird on the Desk)
Kwon Eun-soo
So Young (U and Me)
Oh Ji-hye
Chul Goo's Mother (U and Me)
Park Bo-young
Hee So (Relay)
Son Eun-seo
Gyu Ri (Relay)
Sung Ji-ru
Teacher (Blue Birds on the Desk)
Moon Sung-keun
Vice Principal (Relay)
Jung Yu-mi
Health Teacher (Relay)
Kim Mi-hui
(Relay)
