When Seung-min was on his first year at the Academy of Architecture, he met Seo-yeon. She was a musician student, and Seung-min totally fell in love with her. Years have passed, and now he meets Seo-yeon again - she asks him to rebuild her father's old house.
| Actor | Role |
|---|---|
 Uhm Tae-woongLee Seung-min | Lee Seung-min |
 Han Ga-inYang Seo-yeon | Yang Seo-yeon |
 Lee Je-hoonYoung Lee Seung-min | Young Lee Seung-min |
 SuzyYoung Yang Seo-yeon | Young Yang Seo-yeon |
 Cho Jung-seokNab Deuk-yi | Nab Deuk-yi |
 Yoo Yeon-seokJae-wook | Jae-wook |
 Kim Eui-sungProfessor Kang | Professor Kang |
 Cho Hyun-chulDong-goo | Dong-goo |
 Go Joon-heeEun-chae | Eun-chae |
 Kim Dong-jooSeung-min's Mother | Seung-min's Mother |
 Lee Seung-hoSeo-yeon's Father | Seo-yeon's Father |
 Park Soo-youngMr. Koo | Mr. Koo |
 Sin Ye-jinSing Soon-gi | Sing Soon-gi |
 Park Jin-wooTaxi driver | Taxi driver |
 Lee Sun-juNeighbor | Neighbor |
| LLee Gyeong-miDoctor | Doctor |
 Ahn Soo-hoJeju Assistant Star MC | Jeju Assistant Star MC |