This is from Exciting Cube Episode 7 (I think) kekekekeke.
I don’t know what made him so difficult to control his laugh. BUT. IT. WAS. REALLY. ADORABLE. kyyyaaaa~~
Here is the video ^^
Kwangie toooo!!!! HAHAHAHAHAHA. And our Joker-nim is so professional that he can act normal when it was his turn to rap. aigoooo~~~