A group of close friends who attend a private school all have a debilitating crush on the sunny star pupil, Sun-ah. The only member of the group who claims not to is Jin-woo, but he ends up loving her as well.
정진영
as Koo Jin-woo
김다현
as Oh Sun-ah
손정혁
as Ahn Sung-bin
이민구
as Byun Tae-wan
김요한
as Oh Dong-hyun
Kim Min-ju
as Yoon Ji-soo
Lee Seung-jun
as Han Byeong-ju
박성웅
as Koo Jin-woo's Father
신은정
as Koo Jin-woo's Mother
조달환
as Technology and Home Economics Teacher
신기루
as Geography Teacher
