I LOVE GOS. Actually, it's a great drama just that they focus too much on study. LOL, obviously, it's suppose to be about study.
My favorite characters that Seung Ho play are Baek Hyun, Yeo Woon, Min Jae, Kiseop, Chun Chu, and Baek Ho. I love the little boy Sang Woo too. He's just so adorable.