Selca owner gugudan_sejeong
Pop type K-pop
Stage name (romanized)Sejeong
Stage name (original)세정
Real name (romanized)Kim Sejeong
Real name (original) 세정 (金世正)
Birth date 1996-08-28 (age 23)
Hometown Gimje
Height 164.0cm (5'5")
Weight 48.0kg (106lb)
Blood type AB
Debut date 2016-05-04 (3 years and 10 months ago)
Country of origin kor Korea, Republic of


Name Company Debut date Disbandment date Current member Roles
media 653123 I.O.I (아이오아이) YMC Entertainment, CJ E&M 2016-05-04 2017-01-31 Group disbanded
media 1285673 gugudan (구구단) Jellyfish Entertainment 2016-06-28 Yes Center


Name Debut date Roles
media 1479057 gugudan SEMINA (구구단 세미나) 2018-07-10