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.
IKon (South Korean band) iKon (Hangul: 아이콘 ), stylized as iKON, is a South Korean boy band formed in 2015 by YG Entertainment. The group was first introduced in the reality survival program "WIN: Who is Next" as "Team B." After that, Team B went on to appear in the 2014 reality survival program "Mix & Match", which determined the final seven-member lineup of iKon: B.I, Bobby, Jay, Ju-ne, Song, DK and Chan.