Recently on an online community's forum, graduation photos of idol boy groups, such as INFINITE and ZE:A, were posted.

In the photos, you can find ZE:A's Lim Si Wan whose popularity has been increasing from his role as Hu Yum on the MBC drama "The Sun that Embraces the Moon".

Particularly, Lee Sung Jong's childhood hairstyle has been catching the eyes of the Netizens. 

Netizens who have caught sight of these photos commented, "You guys are so cute", "You guys all grew up well" and etc.