leejongsuk The number one bromance couple of School 2013 is back at it again, and now they're taking over the commercial scene!

Kim Woo Bin and Lee Jong Suk were recently spotted rock climbing for a new commercial for Cass Beer. The two are always seen enjoying each other's company, making it that much more fun for the fans to watch!

Check out some photos of the CV below:

leejongsuk2 leejongsuk4 leejongsuk3 What are some of your favorite K-drama bromances? Tell us in the comments below! (Source: http://bbs1.telzone.daum.net)