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.
Beatwin Beatwin (Hangul: 비트윈; pronounced Between; stylized as BEATWIN) is a South Korean boy group formed by Elen Entertainment (formerly Heavenly Star Content) in Seoul, South Korea. The group currently consists of three members: Sunhyeok, Youngjo, and Jungha. They debuted on January 6, 2014 with the single "She's My Girl". Their fans are called "Trophy".