Nam Goong Min, Oh Sang Jin, Ohn Joo Wan and Yoo Gun at LAB SERIES Male Cosmetic Launching Event at Shinsadong - Jul 24, 2014 [PHOTOS] Tags Nam Goong Min Oh Sang Jin Ohn Joo Wan Yoo Gun LAB SERIES BY MyraStar Jul 25, 2014 12:32 PM EDT