When did the group debut that Kang Sung-hoon is a part of?
Sechs Kies SECHSKIES (pronounced as , Korean: 젝스키스 , Japanese: ジェクスキス ) is a six-member South Korean boy band in 1997. They are the "1st-generation K-Pop idols" and were named as one of the top boy groups in the 90's. Consisting of members Eun Ji-won, Lee Jai-jin, Kim Jae-duck, Kang Sung-hoon, Ko Ji-yong and Jang Su-won, the group debuted on April 15, 1997.
Gavy NJ Gavy NJ (Korean: 가비앤제이) is a South Korean pop ballad female trio that debuted in 2005. The trio currently composed of Jenny, Gunji and Seorin. Member Hyemin official departed from the group in 2009 while Heeyoung in 2011, Misty in 2012 and Sihyun in 2016.