On June 14 episode of SBS' television show 'Running Man', Ji Chang Wook made a guest appearance.
Kim Jong-kook commented with a proud look on his face, "Ji Chang Wook actually went to the same high school as me."
Then, Kim Jong-kook started to sing their school song, which Ji Chang Wook sang along together right away.
Kim Jong-kook graduated some years before Ji Chang Wook, but they both attended Shinsung High School.
While the two stars were talking about their high school days, Ji Chang Wook's high school graduation photo was unveiled on this day as well.
(Credit= SBS Running Man)
(SBS Star)