February 05, 1977
Lee Sung-jin (이성진) is a South Korean singer and former member of group NRG.
Emergency Act 19
(cameo)
My Tutor Friend
(Si-kyung)
X-Man
(Self)
Real Romance Love Letter
(Himself)
Ya Shim Man Man
Infinite Challenge
I'm From Chosun
(윤덕형)
