Kang Sung Pil, one of the entourage of evil student Ha In Soo , posted pictures on his Twitter account.
Although his character in Sungkyunkwan is enemy of Lee Sun Joon and the gang, but in the filming set they are friends and having fun together.

In one picture Kang Sung Pil  just  couple inches to lock lips with Micky Yochun.
Other picture showed funny pose from Micky Yoochun, Kang Sung Pil, Park Min Young and Yoo Ah In.

source : Newsen