Girl Groups Duos

PRIMROSE Members Profile & Facts


PRIMROSE members are Rainie, Nahyun, Ruby, and Hayun. The 4-member K-pop girl group originally debuted as a duo consisted of Ruby and Yeum on January 13, 2023, with the mini album “RED MOON“ under AO Entertainment.


Debut January 13, 2023
Active Years 2023–present
PRIMROSE Members Rainie, Nahyun, Ruby, Hayun
Genre K-Pop
Status Active
Label AO Entertainment
Oldest Member Rainie
Youngest Member Hayun
Former Member Yeum
Fandom Name Prism (프리즘)


– On November 8, 2022, AO Entertainment revealed their new female duo name, PRIMROSE, and opened up SNS accounts.
– It was announced on January 3, 2023, that they would make their debut on January 13 with the mini album Red Moon.
– On March 23, AO Entertainment announced that Yeum had left the duo due to personal circumstances and health problems. PRIMROSE would continue as a one-member solo act until a new member joins the duo.
– The second PRIMROSE member to join was Nahyun, the third member to join was Rainie and then the fourth member to join was Hayun.
– On July 26, 2023, AO Entertainment announced that the group will be releasing their second mini album Laffy Taffy on August 18.
– Rainie was a member of the girl group BugAboo.
– Nahyun was the leader of the girl group HOT ISSUE.
Ruby was a member of the pre-debut girl group Elado under the name Jiwon.
– Former member Yeum was a member of the girl group Azer Blossom under her birth name Jeong Myeong-woo.


Instagram: primrose_0fficial
Youtube: primrose0113
Twitter: PRIMROSE_AOprimrose_member
TikTok: primrose_0fficial
Facebook: Primrose
Fancafe: primrose.official

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

PRIMROSE Members Profile

1. Rainie

Stage Name Rainie (레이니)
Birth Name Chu Ch’ing Yü (朱晴渝)
Position Lead Vocalist
Birthday November 16, 2000
Active Years 2019–present
Age 23 (in Nov  2023)
Zodiac Sign Scorpio
Height 159 cm (5’2″)
Weight N/A
Nationality Taiwanese
Blood Type O

Rainie Facts:

– Rainie’s hometown is Taipei, which is in Taiwan.
– She has a brother.
– She really enjoys drinking black milk tea.
– On May 16, 2023, Rainie became a member of the group.
– In Korean, her name is Joo Chungtoo (주청투).
– She has a strong liking for earrings.
Read more facts about Rainie

Instagram: irainie.isme__

2. Nahyun

Stage Name Nahyun (나현)
Birth Name Kang Na Hyun (강나현)
Position Main Vocalist
Birthday January 25, 2002
Active Years 2016–present
Age 21 (in Jan  2023)
Zodiac Sign Aquarius
Height 167 cm (5’4″)
Weight N/A
Nationality Korean
Blood Type A

Nahyun Facts:

– She was born in Changwon, which is in Gyeongsangnam-do, South Korea.
– On May 3, 2023, Nahyun was announced as a group member.
– Her role model is Hani from EXID.
– She has one sister.
– Nahyun received her vocal training at High Up Vocal Academy.
Read more facts about Nahyun

Instagram: knh.25

3. Ruby

Stage Name Ruby (루비)
Birth Name Heo Jiwon (허지원)
Position Main Rapper, Main Dancer, Vocalist
Birthday August 21, 2002
Active Years 2017–present
Age 21 (in Aug 2023)
Zodiac Sign Leo
Height 156 cm (5’1″)
Weight N/A
Nationality Korean
Blood Type AB

Ruby Facts:

– Ruby took part in a national piano competition and won the Top Excellence Prize.
– She enjoys playing video games like Mobile KartRider and often plays until 2:00 am.
– She has a passion for editing and taking photos by herself.
– On November 10, 2022, she was introduced as the first member of the duo.
– She looks up to role models like NewJeans and aspires to achieve the same level of fame they have. She also admires the style of “Ditto” and counts G-Dragon as another role model.
Read more facts about Ruby

Instagram: ruvby

4. Hayun

Stage Name Hayun (하윤)
Birth Name Ha Seyun (하세윤)
Position Vocalist, Rapper, Maknae
Birthday November 20, 2003
Active Years 2023–present
Age 20 (in Nov 2023)
Zodiac Sign Scorpio
Height 163 cm (5 ft 4 in)
Weight N/A
Nationality Korean
Blood Type N/A

Hayun Facts:

– She is originally from Daegu, South Korea.
– Within the group, she goes by the nickname Yuni.
Read more facts about Hayun

Instagram: yuni_imnida_

Former Members

5. Yeum

Stage Name Yeum (예음)
Birth Name Jeong Myongwoo (정명우)
Position Main Vocalist
Birthday November 19, 2001
Active Years 2021–present
Age 22 (in Nov 2023)
Zodiac Sign Scorpio
Height 159 cm (5’2″)
Weight N/A
Nationality Korean
Blood Type B

Yeum Facts:

– Her stage name, Yeum, represents her desire to be recognized as a talented vocalist.
– She is known for her strength in the R&B genre, with a unique combination of husky low notes and refreshing high notes.
– In the future, she hopes to collaborate with Paul Kim and explore opportunities in acting.
– Prior to this group, she was a member of Azer-Blossom.
– She has a deep passion for songwriting and even has a whole book filled with her lyrics.
Read more facts about Yeum

Instagram: _thingvv0.0



1. How old are the PRIMROSE members? (oldest to youngest)

PRIMROSE members’ ages and birthdays are as follows:

– Rainie was born on November 16, 2000, and is 22 years old.
– Nahyun was born on January 25, 2002, and is 21 years old.
– Ruby was born on August 21, 2002, and is 21 years old.
– Hayun was born on November 20, 2003, and is 19 years old.

Group members were of the following ages when they debuted in 2023: Rainie was 22, Nahyun was 20, Ruby was 20 , and Hayun was 19.

2. How tall are the PRIMROSE members? (tallest to shortest)

PRIMROSE members’ heights are the following from tallest to shortest:

– Nahyun’s height is 167 cm (5’4″)
– Rainie’s height is 159 cm (5’2″).
– Ruby’s height is 156 cm (5’1″).
– Hayun’s height is not yet disclosed.

3. Where are the PRIMROSE members from? (ethnicity & nationality)

PRIMROSE members’ nationality & ethnicity are as follows:

– Rainie is Taiwanese by ethnicity and nationality.
– Nahyun is South Korean by ethnicity and nationality.
– Ruby is South Korean by ethnicity and nationality.
– Hayun is South Korean by ethnicity and nationality.

All group members are from South Korea except for Rainie who is from Taiwan.

4. What are the official positions of PRIMROSE members?

Following are the official PRIMROSE members’ positions:

– Rainie is the Lead Vocalist.
– Nahyun is the Main Vocalist.
– Ruby is the Main Dancer, Main Rapper, and Vocalist.
– Hayun is the Vocalist, Rapper, and Maknae.

12. What are PRIMROSE members’ MBTI?

Following are the official PRIMROSE members’ MBTI types:

– Nahyun’s MBTI is INFJ.
– Ruby’s MBTI is ISFJ.

Rainie’s and Hayun’s MBTI is unknown.

NOTE: If you know more facts, feel free to submit them in the comments section. Who is your Bias? All submissions will be greatly appreciated!

Most Viewed:

Latest Release:

Share these fascinating facts and let the K-pop love spread! 💖🎶 #KpopSingers

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.

Leave a Reply

Your email address will not be published. Required fields are marked *