Jang Keun Suk Is A Pre-School Student? "His Muscular Arms Are A Give-Away"

Singer and actor Jang Keun Suk showed off his hidden muscular arms.

On July 24, he posted a photo on his Twitter. In the revealed photo is Jang Keun Suk making a cute face expression while wearing a bright yellow hat matches with a backpack fit for a child. Jang Keun Suk can be seen making cute face expressions as if he was a child. However, his muscular arm also catches the attention.

Those who saw the photo commented "Is this a pre-school costume play?" and "He was working out hard and now he's muscular."

Photo Credit: Jang Keun Suk's Twitter