In his 10th year at college, Eun-sik is part of a nearly ideal campus couple with swimming champ Kyung-ah. While their three-year relationship is solid, Eun-sik struggles to get to the next level with Kyung-ah; despite the help and support of his friends, he can't manage to get her into bed.
Im Chang-jung
Song Ji-hyo
Choi Sung-kook
Shin Yi
Lee Sang-yun
Yoo Chae-young
Lee Hwa-sun
Lee Si-yeon
Hong Ji-young
Kim Myeong-kyu
Bae Geon-woo
Park Young-soo
Song Jae-ryong
Park Seo-hyeon
Park Jae-woong
Kim Tae-ho
Lee Jong-rae
Yoon Sul-hee
Lee Jung-hoon
Ha Ji-won
Kim Hyeong-il
Kim Chung
Denis Kang
Lee Jin-seong
Kim Yong-soo
Song Seung-yong
JK Youn
Sin Eunjeong