Kim Kyu Jong

Kyu-jong is a member of the sub-group Double S 301.

Kyu-jong played the lead role of Crown Prince Lee Shin in his musical debut, Goong: The Musical.

Kyu-jong left DSP Media in 2010 and moved to B2M Entertainment together with fellow SS501 member Young Saeng.

Kyu-jong enlisted for his mandatory military service on July 23, 2012. He finished his duties on July 22, 2014.