Girl Groups

Kep1er Members Profile & Facts

Kep1er Members
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Kep1er (케플러) is a South Korean 9-member Kpop girl group that debuted on January 3rd, 2022, with the mini album “First Impact” under WAKEONE Entertainment and SWING Entertainment. The group members consist of  Yujin, Xiaoting, Mashiro, Chaehyun, Dayeon, Hikaru, Huening Bahiyyih, Youngeun and Yeseo.

Kep1er Profile

DebutJanuary 3rd, 2022
Active Years2022–present
Kep1er Members Yujin, Xiaoting, Mashiro, Chaehyun, Dayeon, Hikaru, Huening Bahiyyih, Youngeun and Yeseo
GenreK-Pop
StatusActive
LabelWAKEONE Entertainment and SWING Entertainment
Oldest MemberYujin
Youngest MemberYeseo
Former MemberN/A
Fandom NameKep1ian (케플리안)
Fan ColorsLavender & White
Official ColorsLavender & Yellow

Kep1er Facts:

– Kep1er (also Kepler) was created on a TV show called Girls Planet 999 in 2021.
– They officially started their music career on January 3, 2022, with their first album called “First Impact,” and said to be active only for 2 years and 6 months.
– The name “Kep1er” was chosen by fans and refers to planets in the Kepler star system, named after the astronomer Johannes Kepler from the 16th century.
– Before the TV show, some members were already in the entertainment industry. For example, Yujin was part of the group CLC, and Yeseo was in CutieL and later Busters. Dayeon and Xiaoting participated in other music competitions before joining Kep1er.
– Originally, Kep1er was supposed to debut on December 14, 2021, but due to a staff member testing positive for COVID-19, their debut was delayed to January 3, 2022. Despite some challenges, the group has achieved success, winning awards and releasing multiple albums, including Japanese singles.
– As of September 2023, there are discussions about extending the group’s contract beyond the initial 2 years and 6 months. If the extension doesn’t happen, the group might disband around mid-2024.
– They currently have two subunits; “TAPE Unit” and “Tropical Light Unit”.
– The TAPE Unit consists of Mashiro, Chaehyun, Dayeon, Hikaru, and Huening Bahiyyih.
– The Tropical Light Unit consists of Yujin, Xiaoting, Youngeun, and Yeseo.

Endorsement

– It was announced on February 15, 2022, that they have become models for South Korean cosmetics brand S2ND.

Major Work

– Their most popular songs include WA DA DA, Galileo, and Up!.

Awards

– They have won several awards including Best Choice Award, Rookie Artist of the Year, Favorite New Artist, New Wave Star Award, and Rising Star Award.  

Website:
hello-kep1er

SOCIAL MEDIA HANDLES
Instagram: official.kep1er
Youtube: Kep1er
Twitter: official_kep1er
Twitter (Japan): kep1er_jp  
TikTok: official_kep1er
Facebook: official.kep1er
Vlive: vlive.tv
Weibo: kep1er

Streaming Platform Links
Genie | Spotify | Bugs | Melon | Apple Music | Deezer

Kep1er Members Profile

1. Yujin

Yujin Kep1er
Yujin
Stage NameYujin (유진)
Birth NameChoi Yu Jin (최유진)
PositionLeader
BirthdayAugust 12, 1996
Active Years2015–present
Age27 (in 2024)
Zodiac SignLeo
Height162.1 cm (5’3″)
Weight42 kg (92 lbs)
NationalityKorean
Blood TypeA
MBTIENFP-T
Representative Emoji🐰🍓
Rank3rd

Yujin Facts:

– The members chose the “Unnie Line” to be the most romantic in the group, which includes her. (Besties on Besties)
– Yujin would rate herself a 70 out of a 100 for her performance as a leader. (Harper’s BAZAAR Korea)
– She got the coronavirus in early 2022 but recovered swiftly. (Teen Vogue)
She would pick Mashiro’s calmness as a member’s charm that she would like to have. (BEAUTY+)
– She got voted by the members to be the one to search her name on the internet the most. (POPKORN PICKTOK)
Kep1er’s unity is at its greatest right before going on stage, according to her. (The Star Magazine)
– A busking video of her had gone viral before their debut. (Kep1er Debut Show)
– Yujin wanted to try knitting but she did not start because she could not find a hooked needle. (Showterview with Sunmi)
– Actor Kento Yamazaki, known for “Alice in Borderland”, said that Yujin is his bias along with Xiaoting. (Source)
– She would like Kep1er to receive the “Global Award” someday. (2022 AAA)
– Her biggest dream for the group is to rank number one on Korean music charts. (Cosmo Korea)
– Her favourite K-pop song is Kep1er’s “Galileo”. (JAYKEEOUT)
– The one word she would choose to describe Kep1ian is “vitamin”. (POPKORN POPTIME)
Read more facts about Yujin

SOCIAL MEDIA HANDLES
Instagram: utokki
TikTok: utokki0

Streaming Platform Links
Genie | Bugs | Melon 

2. Mashiro

Mashiro Kep1er
Mashiro
Stage NameMashiro (마시로)
Birth NameSakamoto Mashiro (坂本 舞白)
PositionCo-Leader
BirthdayDecember 16, 1999
Active Years2016–present
Age24 (in 2024)
Zodiac SignSagittarius
Height158 cm (5’2″)
WeightN/A
NationalityJapanese
Blood TypeAB
MBTIISFP
Representative Emoji🦝
Rank8th

Mashiro Facts:

– She was chosen by the members as the best cook in the group. (Besties on Besties)
– She got the coronavirus in late 2021 but recovered swiftly. (Teen Vogue)
– Her favourite performance by the group is “Back to the City” from the Japanese concert. (Single Plus)
– If she could have one thing from a member, she would like to have Xiaoting’s visual and height. (POPKORN PICKTOK)
– Her goal for Kep1er is for them to become a global artist. (POPKORN POPTIME)
– She goes to the gym whenever they go abroad and Bahiyyih always goes with her. (The Star Magazine)
– According to the members, Mashiro has very low stamina. (Kep1er Debut Show)
– She thought she had 2 dimples but she found out that she has 4, 3 on the right side and 1 on the left side. (Showterview with Sunmi)
– Her number one treasure is her family. (OSEN LINE VOOM)
– Her recommended song for the Lunar New Year is “DM” by Fromis9. (E-daily Interview)
– She wants Kep1er to cover “DM” by Fromis9 for a cover stage. (Weekly Idol Self Profile)
– The program she wants to go on from her home country (Japan) is “Shabekuri 007”. (JAYKEEOUT)
– She is the vice leader of the group who handles anything related to the members while Yujin handles things related to the label. (Harper’s BAZAAR Korea)
Read more facts about Mashiro

SOCIAL MEDIA HANDLES
Instagram: mashiro12160143

Streaming Platform Links
Genie | Bugs | Melon 

3. Xiaoting

Xaoting Kep1er
Xaoting
Stage NameXiaoting (샤오팅)
Birth NameShen Xiao Ting (沈小婷)
Korean NameShim So Jung (심소정)
Position Main Dancer, Visual
BirthdayNovember 12, 1999
Active Years2020–present
Age24 (in 2024)
Zodiac SignScorpio
Height168 cm (5’6″)
WeightN/A
NationalityChinese
Blood TypeAB
MBTIISFJ
Representative Emoji🦌
Rank9th

Xiaoting Facts:

– The members’ nicknames for her are “Shouting” and “Ting”. (Besties on Besties)
– Something she wants to improve on is vocal recording. (Rolling Stone Australia)
– She participated in the survival show “Produce Camp 2020” but did not make it as a finalist. (Teen Vogue)
– According to Yujin, the member who gave the greatest first impression was Xiaoting because she looked so pretty. (POPKORN PICKTOK)
– A K-pop artist that she would like to do a performance with is Blackpink. (WAVES)
– The one word she would choose to describe Kep1ian is “sunshine”. (POPKORN POPTIME)
– The members ranked her stamina 100 out of 100. (Kep1er Debut Show)
– According to Xiaoting, Kep1er’s charm is its diversity. (Anan Magazine Interview)
– She is a former professional sports dancer. (Showterview with Sunmi)
– Her number one treasure is her family and home. (OSEN LINE VOOM)
– The members chose her as the one with the most cat-like personality. (Music Bank Interview)
– Her favourite music video concept is the concept of “Love on Lock”. (Nylon Manila)
– The Indonesian singer-songwriter, Stephanie Poetri, said that she is a fan of Kep1er and her bias is Xiaoting. (Brooke Morrison Interview)
– She thinks 10 minutes of tardiness by a friend is acceptable but she once waited for 40 minutes at the airport for her friend. (UNBELIEVABLE Ep5)
– According to fans, Xiaoting resembles a cat the most. (Medium)
– Her go-to song at the karaoke is “WA DA DA”. (JAYKEEOUT)
Read more facts about Xiaoting

SOCIAL MEDIA HANDLES
TikTok: 沈小婷
Weibo: 沈小婷-

Streaming Platform Links
Genie | Bugs | Melon 

4. Chaehyun

Chaehyun Kep1er
Chaehyun
Stage NameChaehyun (채현)
Birth NameKim Chae Hyun (김채현)
PositionMain Vocalist, Center
BirthdayApril 26, 2002
Active Years2021–present
Age22 (in 2024)
Zodiac SignTaurus
Height160 cm (5’3″)
WeightN/A
NationalityKorean
Blood TypeB
MBTIISTP
Representative Emoji🐯
Rank1st

Chaehyun Facts:

– The three words she chose to describe Kep1er are “Ice cream cake” because different flavours come together to make it just like different personalities came together to form the group. (Besties on Besties)
– Her tip for taking good pictures in a photo shoot is to capture the vibe and emotion in the picture. (Harper’s BAZAAR Korea)
– The one word Chaehyun would use to describe her group is “energy”. (Rolling Stone Australia)
– Being an MC was a dream come true for her. (Teen Vogue)
– She prefers solving a problem through writing down her thoughts over resolving it through talking to someone.
– Chaehyun loves pranking the members. (Single Plus)
– She said that Kep1er resembles a rainbow because they are like a bunch of different colours assembled together and just like a rainbow appears after rain, they also became Kep1er only after shedding tears and sweat. (Marie Claire Interview)
– If she could have one thing from a member, she would like to have Xiaoting’s fitness. (POPKORN PICKTOK)
– The one word she would choose to describe Kep1ian is “companion”. (POPKORN POPTIME)
– According to her, Kep1er’s unity is at its best when they eat. (The Star Magazine)
– According to the members, her key talent is her voice. (Kep1er Debut Show)
– She made bracelets for the members while she was in self-quarantine. (Forbes)
– When someone who does not know her asks what she does for a job, she replies that she goes to school. (JAYKEEOUT)
Read more facts about Chaehyun

SOCIAL MEDIA HANDLES
Instagram: ikhiiofl

Streaming Platform Links
Genie | Bugs | Melon

5. Dayeon

Dayeon Kep1er
Dayeon
Stage NameDayeon (다연)
Birth NameKim Da Yeon (김다연)
PositionMain Dancer
BirthdayMarch 2, 2003
Active Years2018–present
Age21 (in 2024)
Zodiac SignPisces
Height158 cm (5’2″)
Weight41 kg (90 lbs)
NationalityKorean-American
Blood TypeA
MBTIESTJ
Representative Emoji🐿
Rank4th

Dayeon Facts:

– Something that she has never done with the members but wants to try is going to the “jjimjilbang” (Korean sauna). (Besties on Besties)
– Dayeon has always liked taking responsibility since she was young. (Teen Vogue)
– Her favourite performance is their opening show for “Queendom 2” called “See The Light”. (Single Plus)
– The thing she is most confident about is her part in “WA DA DA”. (POPKORN POPTIME)
– Her hope for the future is to go on a group trip to Jeju Island. (The Star Magazine)
– According to the members, her stamina is 100 out of 100. (Kep1er Debut Show)
– Dayeon is the meme expert in the group. (Harper’s BAZAAR Korea)
– If she had a 1-week break, she would like to go to Jeju Island with the members. (NAN-NO Interview)
– The one word she would choose to describe Kep1ian is “happiness”. (POPKORN POPTIME)
– The members say that she is not good at taking selfies but she is improving. (Kep1er Debut Show)
– Her makeup tip is to curl your bottom eyelashes to make your eyes look bright. (NAN-NO Interview)
– She went to the washroom before auditioning and she forgot to zip her pants because she was nervous so she gave the audition with her pants zipper down. (JAYKEEOUT)
Read more facts about Dayeon

Streaming Platform Links
Genie | Bugs | Melon 

6. Hikaru

Hikaru Kep1er
Hikaru
Stage NameHikaru (히카루)
Birth NameEzaki Hikaru (江崎 ひかる)
PositionMain Dancer, Main Rapper
BirthdayMarch 12, 2004
Active Years2016–present
Age20 (in 2024)
Zodiac SignPisces
Height154.5 cm (5’0.8″)
WeightN/A
NationalityJapanese
Blood TypeO
MBTIESfJ
Representative Emoji🐶
Rank7th

Hikaru Facts:

– Among the members, she has the weirdest food preferences because she does not eat cheese but loves cheesy pizza. (Besties on Besties)
– Hikaru does not consider herself cute even though fans and the members say she is the cutest. (Teen Vogue)
– She keeps in touch with the J-Group members from “Girls Planet 999”, especially Shana. (Forbes)
– When she was a trainee, she loved Korean hip hop and R&B so she used to learn Korean pronunciation by following along to the songs which helped her in rapping. (Single Plus)
– She was chosen by the members as the one who puts the most effort into rehearsals. (POPKORN PICKTOK)
– The one word she would choose to describe Kep1ian is “family”. (POPKORN POPTIME)
– Something she says most often is “Gomajjang” which is a word she made to mean thanks. (Kep1er Debut Show)
– Mashiro once witnessed Hikaru pouring an inedible amount of salt on her fried egg and eating it. (Harper’s BAZAAR Korea)
– Her happiest moment was when they won first place for the first time at a music show. (POPKORN POPTIME)
– The members described her as kind, funny, weird and cute.
– The biggest difference that she noticed between Japan and Korea is that Japanese chopsticks are silver while Korean chopsticks are wood. (JAYKEEOUT)
Read more facts about Hikaru

Streaming Platform Links
Genie | Bugs | Melon

7. Huening Bahiyyih

Huening Kep1er
Huening
Stage NameHuening Bahiyyih (휴닝바히에)
Birth NameBahiyyih Jaleh Huening (바히에 자레 휴닝)
Korean NameJung Bahiyyih (정바히에)
PositionN/A
BirthdayJuly 27, 2004
Active Years2021–present
Age19 (in 2024)
Zodiac SignLeo
Height167 cm (5’5″)
WeightN/A
NationalityKorean-American
Blood TypeA
MBTIESFJ
Representative Emoji🦁
Rank2nd

Huening Bahiyyih Facts:

– Something that she has never done with the members but wants to try is going to the amusement park. (Besties on Besties)
– Her brother, Heuning Kai (TXT), was the first to send congratulatory messages when they won first place at a music show. (Rolling Stone Australia)
– She baked cookies while she was in self-quarantine which she later shared with the members. (Forbes)
– Her favourite performance is their cover of “The Boys” by Girls Generation on the third episode of “Queendom 2” but she recommends fans to watch the practice video to fully appreciate the performance. (Single Plus)
– Bahiyyih was voted by the members to have the most colourful facial expressions. (POPKORN PICKTOK)
– Her goal for Kep1er is to win the rookie award. (POPKORN POPTIME)
– Mashiro said that Bahiyyih is a person who caters to the members according to each of their needs and personalities. (The Star Magazine)
– The members agreed that she is a subtle prankster. (Kep1er Debut Show)
– She is in charge of cleaning in the dorms. (Showterview with Sunmi)
– She decided to become a K-pop singer because she could not live without music. (Kpop Herald)
– Bahiyyih likes to stay clean so she is the one who tells the members to clean up. (Harper’s BAZAAR Korea)
– The program she wants to go on from her home country (America) is any Disney show. (JAYKEEOUT)
Read more facts about Huening Bahiyyih

Streaming Platform Links
Genie | Bugs | Melon 

8. Youngeun

Youngeun Kep1er

 

Stage NameYoungeun (영은)
Birth NameSeo Young Eun (서영은)
PositionMain Vocalist
BirthdayDecember 27, 2004
Active Years2021–present
Age19 (in 2024)
Zodiac SignCapricorn
Height159 cm (5’3″)
WeightN/A
NationalitySouth Korean
Blood TypeA
MBTIINFP
Representative Emoji🦊
Rank5th

Youngeun Facts:

– Something that she has never done with the members but wants to try is going to the amusement park. (Besties on Besties)
– Her goal for 2023 is to receive a rookie award. (Soompi)
– When she had hard times during “Girls Planet 999”, she leaned on May from the J-Group the most. (Forbes)
– The phrase she would choose to describe Kep1ian is “my one and only life”. (POPKORN POPTIME)
– The member she gets along with the most is Dayeon. (POPKORN PICKTOK)
– She tends to spend her free time sleeping. (The Star Magazine)
– She warms up with freestyle dancing before their scheduled dance practice. (Kep1er Debut Show)
– She once burned her bangs so she had to wear fake bangs. (Showterview with Sunmi)
– Her speciality is doing male idol group dances. (Weekly Idol Self Profile)
– She said that the pros of having a room for herself is that she can have time to herself but she is scared to sleep alone so sleeps with the lights on. (Harper’s BAZAAR Korea)
– The members rank her stamina 100 out of 100. (Kep1er Debut Show)
– When someone who does not know her asks her what she does for a job, she replies that she works in the fashion industry. (JAYKEEOUT)
Read more facts about Youngeun

Streaming Platform Links
Genie | Bugs | Melon 

9. Yeseo

Yeseo Kep1er
Yeseo
Stage NameYeseo (예서)
Birth NameKang Ye Seo (강예서)
PositionMaknae
BirthdayAugust 22, 2005
Active Years2010–present
Age18 (in 2024)
Zodiac SignLeo
Height157 cm (5’2″)
Weight43 kg (94 lbs)
NationalitySouth Korean
Blood TypeA
MBTIENFP
Representative Emoji🐰
Rank6th

Yeseo Facts:

– According to the members, Yeseo is always either talking or sleeping. (Besties on Besties)
– The one thing she is better at than the members is reading webtoon because her reading speed is fast. (Harper’s BAZAAR Korea)
– The phrase she would choose to describe Kep1ian is “joy to behold”. (POPKORN POPTIME)
– Youngeun would like to learn camera poses from Yeseo. (Rolling Stone Australia)
– She likes taking hot baths every day when the weather gets cold. (Forbes)
– If she could have one thing from a member, she would like to have Mashiro’s dimples. (POPKORN PICKTOK)
– She usually has multiple hobbies at a time. (The Star Magazine)
– She recommends their song “The Door” to listen to when travelling. (Nylon Manila)
– According to the members, she has really bad selfie-taking skills. (Kep1er Debut Show)
– She once had a conversation while she was asleep with Mashiro for 5 minutes. (Showterview with Sunmi)
– She can eat the most amount of noodles out of the members. (Weekly Idol Self Profile)
– Her goal for Kep1er is to be named on the Billboard Hot 100.
– She was formerly part of the kids’ girl group CutieL and joined the now-disbanded Busters β in 2019. (Teen Vogue)
Read more facts about Yeseo

Streaming Platform Links
Genie | Melon

Kep1er Photos

NOTE: Which Kep1er member caught your eye first? Let us know your story in the comments down below!

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WRITTEN BY

Park Emma

I'm a big fan of K-pop, especially the group EXO, and Baekhyun is my Bias. When I'm not writing about K-pop, I enjoy reading books. Join me as I explore the world of K-pop and literature through my writing.

2 Comments

  1. Hola, mucha gracias por tan linda reseña al grupo Kep1er.. te recomiendo que verifiques las fotos de los miembros sobre todo la foto de la miembro Youngeun ya que no coincide con la foto actual que publicaste según la miembro. 🙂

  2. Hola, mucha gracias por tan linda reseña al grupo Kep1er.. te recomiendo que verifiques las fotos de los miembros sobre todo la foto de la miembro Youngeun ya que no coincide con la foto actual que publicaste según la miembro. 🙂

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