Group name: F1RST (퍼스트)
Debut date: August 2010
Debut song: I love you, you love me
Fanclub name: BL1SS
MEMBER PROFILE (2011)
Stage Name: DoA
Birth Name: Kim Do Ah
Birthday: June 6, 1992
Height: 182 cm
Weight: 67 kg
Stage Name: Hansaem
Birth Name: Seo Han Saem
Birthday: February 15, 1988
Height: 180 cm
Weight: 64 kg
Stage Name: Jenny
Birth Name: So Hyun Jung
Birthday: September 7, 1989
Height: 171 cm
Weight: 50 kg
Stage Name: Junghoon
Birth Name: Choi Jung Hoon
Birthday: July 13, 1990
Height: 175 cm
Weight: 58 kg
Stage Name: Minkyung
Birth Name: Kim Min Kyung
Birthday: April 16, 1991
Height: 174 cm
Weight: 48 kg
Stage Name: Racoon
Birth Name: Park Jae Hyung
Birthday: September 25, 1985
Height: 180 cm
Weight: 68 kg
Stage Name: Sulhee
Birth Name: Kang Sul Hee
Birthday: October 11, 1985
Height: 170 cm
Weight: 47 kg
Member changes:
- F1rst debuted in August 2010 with 8 members: ♂Racoon,♀Sul Hee, ♂Hansaem, ♂Jung Hoon, ♂Ray, ♀Hajy, ♀Jenny and ♀Lina.
- Member Jenny left in the course of 2012 to focus on her studies, and Racoon also left to join the army. A new female member Hyeyoung was added to form the current line-up of F1RST with members ♀Sulhee, ♀Hyeyoung,♂Hansaem, ♂Junghoon, ♀Minkyoung and ♂Doa.
- In August 2013, it was revealed that F1RST would form a male-only unit named FameUs with the three male members: Junghoon, Doa and Hansaem, together with three new members Hanyoung, Daeyoung and Dohyun. They are under KN Media.
Their debut track: