Jun Jin & Lee Siyoung

Jun Jin and Lee Siyoung were a couple from Season 1.

About the Couple
The two are known as the "Gundam Couple" for their love of the anime. They later dated in real life for six months before breaking up on September 2009. They became the first and only known couple from the show to publicly dated, with the exception of Kim Yongjun & Hwang Jungeum and Jo Jungchi & Choi Jungin who were already dating before joining the show.