K-pop Boy Groups

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

June 27, 2026 | By
BLSG members are Kim Seok Hyun, Yeom Manje, Choi Hyun Su, and Choi Hyun Seok.
OriginSeoul, South Korea
DebutApril 21, 2014
Number of Members4
MembersKim Seok Hyun
Yeom Manje
Choi Hyun Su
Choi Hyun Seok
Oldest MemberKim Seok Hyun
Youngest Member (Maknae)Choi Hyun Su

BLSG Members Profile

Kim Seok Hyun

BLSG member Kim Seok Hyun
Full NameKim Seok Hyun
BirthdayAugust 14, 1988
BirthplaceN/A
Age37 years and 10 months old
Height5 feet 10 inches (178 cm)
Weight171.96 lbs (78 kg)
Zodiac SignLeo
Blood TypeA
EducationDong-A Broadcasting Arts College 2007 ~ 2009
PositionVocalist
Instagramfunkycacao

Yeom Manje

BLSG member Yeom Manje
Full NameYeom Manje
BirthdayDecember 27, 1988
BirthplaceN/A
Age37 years and 6 months old
Height6 feet 0 inches (183 cm)
Weight165.35 lbs (75 kg)
Zodiac SignCapricorn
Blood TypeA
EducationDong-A University of Broadcasting Arts, Broadcasting Entertainment 2007 ~ 2009
PositionGuitarist
Instagramdae3gi

Choi Hyun Su

BLSG member Choi Hyun Su
Full NameChoi Hyun Su
BirthdayAugust 31, 1994
BirthplaceN/A
Age31 years and 9 months old
HeightN/A
Zodiac SignVirgo
PositionBassist
Instagramhxuxsxo

Choi Hyun Seok

BLSG member Choi Hyun Seok
Full NameChoi Hyun Seok
BirthdayJanuary 2, 1989
BirthplaceN/A
Age37 years and 5 months old
HeightN/A
Zodiac SignCapricorn
EducationDong-A University of Broadcasting Arts Department of Broadcasting Entertainment 2007 ~ 2010
PositionDrummer
Instagramburrow1003

Member Ages: Oldest to Youngest

MemberBirthdayAge
Kim Seok HyunAugust 14, 198837 years, 10 months, 13 days old
Yeom ManjeDecember 27, 198837 years, 6 months old
Choi Hyun SeokJanuary 2, 198937 years, 5 months, 25 days old
Choi Hyun SuAugust 31, 199431 years, 9 months, 27 days old

FAQs

How many members are in BLSG?

BLSG is a 4-member K-pop boy group. The group consists of Kim Seok Hyun, Yeom Manje, Choi Hyun Su, and Choi Hyun Seok.

When did BLSG debut?

BLSG debuted on April 21, 2014.

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