K-pop Girl Groups

ONEST Members Profile: Full Names, Ages, Heights, Weights and More

June 27, 2026 | By
ONEST members are Seunga, Nabi, Yu1L, Dayun, Je Hwanhee, Kim Taehee, Kim Yejin, Nahyun, and Sara K.
OriginSeoul, South Korea
DebutJanuary 5, 2023
DisbandedN/A
Number of Members9
MembersSeunga
Nabi
Yu1L
Dayun
Je Hwanhee
Kim Taehee
Kim Yejin
Nahyun
Sara K

ONEST Former Members Profile

Seunga

ONEST member Seunga
Full NameHeo Seunga
BirthdayMarch 04, 1999
BirthplaceN/A
Age27 years and 3 months old
HeightN/A
Zodiac SignPisces
PositionRapper
Instagram@cooing_seung

Nabi

ONEST member Nabi
Full NameMiina
BirthdayMarch 17, 1999
BirthplaceN/A
Age27 years and 3 months old
Height5 feet 3 inches (160 cm)
Zodiac SignPisces
PositionRapper
Instagram@i_am_happygirl

Yu1L

ONEST member Yu1L
Full NameKim Hyunsook
BirthdayMay 04, 1999
BirthplaceN/A
Age27 years and 1 month old
HeightN/A
Zodiac SignTaurus
PositionVocalist
Instagram@luminous._99

Dayun

ONEST member Dayun
Full NameLee Dayun
BirthdayMay 07, 1999
BirthplaceN/A
Age27 years and 1 month old
HeightN/A
Zodiac SignTaurus
MBTIISFP
PositionVocalist
Instagram@itzmymay

Je Hwanhee

ONEST member Je Hwanhee
Full NameJe Hwanhee
BirthdayN/A, 1999
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignN/A
PositionVocalist
Instagram@bluecorn__hf

Kim Taehee

ONEST member Kim Taehee
Full NameKim Taehee
BirthdayN/A, 1999
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignN/A
MBTIENFP
PositionDancer
Instagram@tae.heeeeeee

Kim Yejin

ONEST member Kim Yejin
Full NameKim Yejin
BirthdayN/A, 1999
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignN/A
MBTIINFP
PositionDancer
Instagram@iilluussoo_

Nahyun

ONEST member Nahyun
Full NameJeon Nahyun
BirthdayN/A, 1999
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignN/A
PositionVocalist
Instagram@n_ahyu_n

Sara K

ONEST member Sara K
Full NameKim Seohyun
BirthdayApril 29, 2000
BirthplaceN/A
Age26 years and 1 month old
HeightN/A
Zodiac SignTaurus
PositionVocalist
Instagram@4_sarak

Member Ages: Oldest to Youngest

MemberBirthdayAge
SeungaMarch 04, 199927 years, 3 months, 23 days old
NabiMarch 17, 199927 years, 3 months, 10 days old
Yu1LMay 04, 199927 years, 1 month, 23 days old
DayunMay 07, 199927 years, 1 month, 20 days old
Sara KApril 29, 200026 years, 1 month, 29 days old

FAQs

How many members are in ONEST?

ONEST is a 9-member K-pop girl group. The group consists of Seunga, Nabi, Yu1L, Dayun, Je Hwanhee, Kim Taehee, Kim Yejin, Nahyun, and Sara K.

When did ONEST debut?

ONEST debuted on January 5, 2023, with their song DIMA K-POP SHOWCASE 2022.

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