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.
Seo Hyun-jin Seo Hyun-jin (Hangul: 서현진 ; born February 27, 1985) is a South Korean actress and singer. Seo debuted as the main vocalist of South Korean girl group, M.I.L.K in 2001 and continued until 2003 when the group disbanded. She contributed songs as a solo artist after the group disbandment before she transitioned into acting in 2006.