On the October 13th episode of MBC's 'High Kick 3', Lee Jong Suk and his on screen sister, f(x)'s Krystal competed for their uncle's brand new laptop. Krystal's character is known to get everything she wants with her aeygo, so when she heard about her uncle's new laptop she�practices�being cute in order to win her uncle over and receive the laptop as a gift. She practices her "Pu-ing" cuteness by putting two fists on her face and repeating the words "pu-ing pu-ing". Her brother Lee Jong Suk can't stand that she always wins so he reluctantly and desperately imitates�her "Pu-ing" cuteness in front of their uncle and begs for the laptop. Their uncle becomes shocked by his cuteness and�pitifully�replies that he could have the laptop. Audiences got quite a laugh seeing Lee Jong Suk acting cute. You can watch the hilarious clip below starting around 3:02: Source + Image: Nate