누나 친구

Jung Seo-yoon

Park Soo-jin

Yugang Kim

Cho Sung-jae

Joo In-cheol

Kim Joo-hyuk

Park Cho-hyeon

Seo Ji-eun

정동규

President Cho / Sung-jae's Father

김늘메

Manager Kim

Kim Bo-ri

[College Preparatory Principal]