Kep1er is a global K-pop girl group known for its powerful performances, diverse charms, and international lineup. Formed through Girls Planet 999, Kep1er has quickly gained worldwide attention with members from Korea, China, and Japan. In this updated 2026 guide, you’ll find the latest Kep1er members’ profile details, including each member’s age, position, height, weight, MBTI, and blood type. Whether you’re a new fan or a longtime Kep1ian, this easy-to-read profile breakdown helps you get to know Choi Yujin, Xiaoting, Chaehyun, Dayeon, Hikaru, Bahiyyih, and Youngeun at a glance.
Choi Yujin

- Name: Choi Yujin
- Birthdate: August 12, 1996
- Age: 29
- Birthplace: Jeonju, South Korea
- Nationality: South Korean
- Position: Leader, vocalist, dancer
- Height: 163cm
- Weight: 45kg
- Blood Type: A
- MBTI: ISTP
- Social Media: Instagram, TikTok
Choi Yujin is a South Korean singer and the leader of the 7-member K-pop girl group Kep1er, under WAKEONE. She previously promoted for seven years as a member of CLC, where she served as center, lead dancer, and sub-vocalist from 2015 to 2022. Yujin successfully re-debuted after placing 3rd on Mnet’s survival show Girls Planet 999. Known for her strong leadership, stable vocals, and powerful dance skills, she combines long idol experience with youthful visuals, earning the nickname “fake maknae.” She is also active in dramas, variety shows, and OSTs, showcasing her versatility beyond the stage.
Xiaoting

- Name: Shen Xiaoting
- Birthdate: November 12, 1999
- Age: 26
- Birthplace: Chengdu, China
- Nationality: Chinese
- Position: Main dancer, vocalist
- Height: 168cm
- Blood Type: AB
- MBTI: ISFJ
- Social Media: Instagram, X, TikTok
Shen Xiaoting is a Chinese singer active in South Korea and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted after placing 9th on Mnet’s survival show Girls Planet 999, where she served as the C-group center. Before debut, Xiaoting trained for years in dance sports (ballroom), winning around 50 awards, and also studied ballet, giving her exceptional technique, flexibility, and stage presence. As Kep1er’s main dancer, she is praised for powerful yet elegant performances, strong core strength, and fast choreography learning. She is also widely recognized as one of Kep1er’s top visuals, known for her model-like proportions and versatile aura.
Kim Chaehyun

- Name: Kim Chaehyun
- Birthdate: April 26, 2002
- Age: 23
- Birthplace: Busan, South Korea
- Nationality: South Korean
- Position: Center, main vocalist
- Height: 161cm
- Blood Type: B
- MBTI: ESTP
- Social Media: Instagram
Kim Chaehyun is a South Korean singer and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted as Rank 1 on Mnet’s survival show Girls Planet 999 and is widely recognized as Kep1er’s center and main vocalist. A former SM Entertainment trainee for six years, Chaehyun is praised for her powerful yet delicate vocal tone, wide range, and exceptional live stability. Known as a true all-rounder, she combines top-tier vocals, clean dance lines, strong stage presence, and charming visuals, earning her a reputation as one of the standout vocalists of her generation.
Kim Dayeon

- Name: Kim Dayeon
- Birthdate: March 2, 2003
- Age: 22
- Birthplace: Seoul, South Korea
- Nationality: South Korean
- Position: Main rapper, main dancer, vocalist
- Height: 158cm
- Blood Type: A
- MBTI: ESTP
- Social Media: Instagram
Kim Dayeon is a South Korean singer, rapper, and dancer, and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted after placing 4th on Mnet’s survival show Girls Planet 999, where she impressed as the K-group No.1 with her powerful dance skills despite her cute visuals. Dayeon previously appeared on Produce 48 in 2018 and trained for over 3 years, developing strong fundamentals. Officially a main dancer and main rapper, she is widely praised as an all-rounder with stable vocals, precise rap diction, outstanding rhythm, and choreography creation skills, earning recognition as one of Kep1er’s top performers.
Hikaru

- Name: Ezaki Hikaru
- Birthdate: March 12, 2004
- Age: 21
- Birthplace: Fukuoka, Japan
- Nationality: Japanese
- Position: Main rapper, main dancer, vocalist
- Height: 155cm
- Blood Type: O
- MBTI: ESFP
- Social Media: Instagram
Hikaru is a Japanese singer active in South Korea and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted after ranking 7th on Mnet’s survival show Girls Planet 999 and was selected as Top 1 of the final TOP 9 in Episode 1, proving her standout talent early on. Before debut, she trained at Avex Artist Academy Fukuoka and spent nearly three years as an XGALX trainee, alongside future XG members. As Kep1er’s main rapper and main dancer, Hikaru is praised for her powerful core strength, sharp rhythm, expressive performance, and accurate Korean rap diction, earning top rankings in dance idol lists.
Huening Bahiyyih

- Name: Bahiyyih Jaleh Huening
- Birthdate: July 27, 2004
- Age: 21
- Birthplace: Seoul, South Korea
- Nationality: Korean-American
- Position: Vocalist
- Height: 168cm
- Blood Type: A
- MBTI: ISTP
- Social Media: Instagram
Huening Bahiyyih is a Korean-American singer and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted after ranking 2nd on Mnet’s survival show Girls Planet 999. Born in Seoul, she comes from a well-known entertainment family as the younger sister of TXT’s Huening Kai and daughter of singer-actor Nabil Huening. After training for 1 year and 6 months, she showcased steady growth as a vocalist known for her soft, clear tone and emotional delivery. With long proportions, clean dance lines, and striking mixed-heritage visuals, Bahiyyih is also praised for her fashion sense and high-teen, doll-like image.
Seo Youngeun

- Name: Seo Youngeun
- Birthdate: December 27, 2004
- Age: 21
- Birthplace: Seoul, South Korea
- Nationality: South Korean
- Position: Main vocalist, dancer
- Height: 161cm
- Blood Type: A
- MBTI: INTJ
- Social Media: Instagram
Seo Youngeun is a South Korean singer and a member of the 7-member K-pop girl group Kep1er under WAKEONE. She debuted after ranking 5th on Mnet’s survival show Girls Planet 999 and trained for over 2 years and 4 months before debut. Officially, Kep1er’s main vocalist, Youngeun, is widely praised as an all-rounder, excelling in vocals, dance, and rap. Known for her husky yet stable voice, powerful high notes, and intense stage expressions, she also stands out for her sharp, masculine-leaning visuals and fox-like eyes. Her ability to dominate both bright and dark concepts makes her one of Kep1er’s most versatile performers.
KEP1ER Members Profile Summary
| Name | Age | Nationality | Position | Height | Weight | Blood Type | MBTI |
|---|---|---|---|---|---|---|---|
| Choi Yujin | 29 | South Korean | Leader, Vocalist, Dancer | 163 cm | 45 kg | A | ISTP |
| Shen Xiaoting | 26 | Chinese | Main Dancer, Vocalist | 168 cm | — | AB | ISFJ |
| Kim Chaehyun | 23 | South Korean | Center, Main Vocalist | 161 cm | — | B | ESTP |
| Kim Dayeon | 22 | South Korean | Main Rapper, Main Dancer, Vocalist | 158 cm | — | A | ESTP |
| Ezaki Hikaru | 21 | Japanese | Main Rapper, Main Dancer, Vocalist | 155 cm | — | O | ESFP |
| Huening Bahiyyih | 21 | Korean-American | Vocalist | 168 cm | — | A | ISTP |
| Seo Youngeun | 21 | South Korean | Main Vocalist, Dancer | 161 cm | — | A | INTJ |