Kim Sung-kyu was born on April 28, 1989[REF] in Jeonju, South Korea.
On February 15, 2013 Sung-kyu graduated from Daekyung University's Practical Music program and received along with members L, Sungyeol, Hoya, and Dongwoo, the 'Proud Daekyung University Student Award' in hopes that the group would continue to grow and bring prestige to the school.