Nichkhun you hilarious chic

Hahahahahahahaha omg i can't believe i just saw what i just saw!

The second chorus after the bridge where Junsu was singing, notice what was Nichkhun doing?

OMG EVEN IN THE MV WHEN IT'S NOT PLAYING NICHKHUN'S CAUGHT PULLING DOWN HIS BACK SHIRT ALREADY XD

Okay it's like i syok sendiri only ehehe.