Shindong's Kyu~ @02.50 sounds exactly the same like this one :

Yoona's Kyuu~ @02.30.

I don't know why but I'm spazzing after seeing this. lol

Maybe somewhere in my delusional mind I thought that Shindong was teasing Kyu about the way Yoona called him. I don't know but I'm spazzing now XD