character - Kang Se-yeon

character - Yoo Mi-young

character - Chemistry teacher

character - Young-woo

character - Choi Kang-soon

character - Lee Ji-Young 'A'

character - Jang Young-Sil

character - Young-Ae

character - Yang Baek-hee (Becky) / Yang So-hee

character - Self

character - Kang Su-a

character - Self

character - Gil Sin-seol

character - [Junior]

character - Yoo Mi-young

character - Eun-Jin

character - Hong-dan

character - Chan-young

character - Gu Mi Jin

character - Choon-Sim

character - Jeong Yeon-su

character - Self

character - Yu-mi Kang

character - Kim Hee-mee

character - Herself

character - Seon-ju

character - Yung-eun

character - Han Ji-Hye

character - Chinese girl #2