Jae Kyun is the leader and lead vocalist for Rainbow.
==Profile==g
- Name: Kim Jae Kyung (김재경)
- Stage name: Jae Kyung
- Birth date: 1988.12.24
- Horoscope: Capricorn
Discography
Music Video
- [2009] SS501 - Love Like This
- [2009] A'ST1 - Dynamite
Trivia
- Former JYP Entertainment trainee.