When did the group debut that Kang Sung-hoon is a part of?
Kang Sung-hoon (singer) Kang Sung-hoon (hangul:강성훈, born February 22, 1980) is a South Korean singer from the 90's South Korean boy group Sechs Kies. Sung-hoon is the main vocalist of SechsKies and is referred to having the best singing voice of the group. After Sechskies had disbanded in 2000, Sung-hoon pursued a solo singing career, signed under Laful Entertainment at the time. His nickname Hoony is the title for his third album and his official fan club is called Hoony World.
SeeYa SeeYa (Hangul: 씨야) was a South Korean girl group originally made up of Kim Yeonji, Lee Bo-ram, and Nam Gyuri. When the group debuted in 2006, they were marketed as the female version of SG Wannabe. SeeYa were known for their 2007 hit song "Love's Greetings", and won Best Female Group at the Mnet Asian Music Awards that same year. In 2009 Nam Gyuri left the group to pursue a solo career, and she was replaced by new member Lee Soomi until 2010. The group continued as a duo consisting of Kim Yeonji and Lee Bo-Ram until their disbandment in 2011.