K-pop Girl Groups

Kep1er Members Profile: Names, Ages, Birthdays, and Heights

October 8, 2025 | By Kris Lodhi

Kep1er Members: Yujin, Xiaoting, Mashiro, Chaehyun, Dayeon, Hikaru, Huening Bahiyyih, Youngeun and Yeseo

Origin	Seoul, South Korea
Debut	January 3, 2022
Number of Members	7
Members	Yujin Xiaoting Chaehyun Dayeon Hikaru Huening Bahiyyih Youngeun
Former Members	Mashiro Yeseo
Oldest Member	Yujin
Youngest Member (Maknae)	Youngeun
Tallest Member	Xiaoting
Shortest Member	Hikaru
Most Popular Member	Huening Bahiyyih

Kep1er Members Profile

Yujin

Choi Yu-jin of Kep1er

Full Name	Choi Yu-jin
Birthday	August 12, 1996
Birthplace	Jeonju, Jeollabukdo, South Korea
Age	29 years and 2 months old
Height	5 feet 4 inches (163 cm)
Weight	92.6 lbs (42 kg)
Zodiac Sign	Leo
Blood Type	A
MBTI	ENFP-T
Education	Hanlim Multi Arts School
Position	Leader, Vocalist

Xiaoting

XIAOTING of Kep1er

Full Name	Shen Xiao Ting
Birthday	November 12, 1999
Birthplace	Chengdu, Sichuan China
Age	25 years and 11 months old
Height	5 feet 6 inches (168 cm)
Weight	103.6 lbs (47 kg)
Zodiac Sign	Scorpio
Blood Type	AB
MBTI	ISFJ
Education	Sichuan Conservatory of Music
Position	Main Dancer, Vocalist, Visual

Chaehyun

Chaehyun of Kep1er

Full Name	Kim Chae-hyun
Birthday	April 26, 2002
Birthplace	Yeonje-gu, Busan, South Korea
Age	23 years and 5 months old
Height	5 feet 3 inches (160 cm)
Weight	94.8 lbs (43 kg)
Zodiac Sign	Taurus
Blood Type	B
MBTI	ESFP/ESTP
Position	Main Vocalist, Center, Visual

Dayeon

Dayeon of Kep1er

Full Name	Kim Da-yeon
Birthday	March 2, 2003
Birthplace	Seoul, South Korea
Age	22 years and 7 months old
Height	5 feet 2 inches (158 cm)
Weight	90.4 lbs (41 kg)
Zodiac Sign	Pisces
Blood Type	A
MBTI	ESTP
Education	School of Performing Arts Seoul
Position	Main Dancer, Main Rapper, Vocalist

Hikaru

Hikaru of Kep1er

Full Name	Ezaki Hikaru
Birthday	March 12, 2004
Birthplace	Fukuoka Japan
Age	21 years and 7 months old
Height	5 feet 1 inches (155 cm)
Weight	86 lbs (39 kg)
Zodiac Sign	Pisces
Blood Type	B
MBTI	ESFJ
Position	Main Rapper, Main Dancer, Vocalist

Huening Bahiyyih

Huening Bahiyyih of Kep1er

Full Name	Bahiyyih Jaleh Huening
Birthday	July 27, 2004
Birthplace	Seoul, South Korea
Age	21 years and 2 months old
Height	5 feet 6 inches (167 cm)
Weight	101.4 lbs (46 kg)
Zodiac Sign	Leo
Blood Type	A
MBTI	ESFJ
Education	Lila Arts Highschool
Position	Vocalist

Youngeun

Seo Young-eun of Kep1er

Full Name	Seo Young-eun
Birthday	December 27, 2004
Birthplace	Uijeongbu, Gyeonggi-do, South Korea
Age	20 years and 9 months old
Height	5 feet 2 inches (158 cm)
Weight	92.6 lbs (42 kg)
Zodiac Sign	Capricorn
Blood Type	A
MBTI	ENTJ
Education	ModernK Music Academy
Position	Main Vocalist, Dancer, Rapper, Maknae

Former Members Profile

Mashiro

Mashiro of Kep1er

Full Name	Sakamoto Mashiro
Birthday	December 16, 1999
Birthplace	Setagaya-ku, Tokyo, Japan
Age	25 years and 9 months old
Height	5 feet 2 inches (158 cm)
Weight	92.6 lbs (42 kg)
Zodiac Sign	Sagittarius
Blood Type	AB
MBTI	ISFP

Yeseo

Yeseo of Kep1er

Full Name	Kang Ye-seo
Birthday	August 22, 2005
Birthplace	Guwol-dong, Namdong-gu, Incheon, South Korea
Age	20 years and 1 month old
Height	5 feet 2 inches (157 cm)
Weight	94.8 lbs (43 kg)
Zodiac Sign	Leo
Blood Type	A
MBTI	ENFJ/ENFP
Education	Dongguk University College of Arts

Member Ages: Oldest to Youngest

Member	Birthday	Age
Yujin	August 12, 1996	29 years, 2 months, 2 days old
Xiaoting	November 12, 1999	25 years, 11 months, 2 days old
Chaehyun	April 26, 2002	23 years, 5 months, 18 days old
Dayeon	March 2, 2003	22 years, 7 months, 12 days old
Hikaru	March 12, 2004	21 years, 7 months, 2 days old
Huening Bahiyyih	July 27, 2004	21 years, 2 months, 17 days old
Youngeun	December 27, 2004	20 years, 9 months, 17 days old

FAQs

When did Kep1er debut?

Kep1er officially debuted on January 3, 2022 with their first mini-album “FIRST IMPACT“.

How many members are in Kep1er?

Kep1er is a 7-member girl group. The group consists Kim Chae-hyun, Huening Bahiyyih, Choi Yu-jin, Kim Da-yeon, Seo Young-eun, Ezaki Hikaru, and Shen Xiaoting.