Kuk Chorok (OURBIRTHDAY) Profile 2026: Age, Bio, Career & Interesting Facts (Updated)
Kuk Chorok (국초록) is a South Korean trainee and a member of the upcoming girl group OURBIRTHDAY (아워벌스데이), managed by INNIT Entertainment-a subsidiary of JYP Entertainment. She was introduced to the public in July 2026 as part of the group’s second unit, “Side B,” alongside Shin Hyewon, U, and Kilala. With her unique name and striking visuals, Chorok has quickly caught the attention of K-pop fans worldwide. This Kuk Chorok profile covers everything known about her-from her birthday and early life to her career journey and fun facts.
The K-pop industry is no stranger to anticipation, and the lead-up to a new girl group debut often generates waves of excitement across the globe. In 2026, all eyes are on OURBIRTHDAY, the latest girl group to emerge from the JYP Entertainment ecosystem. Among its seven members, Kuk Chorok stands out not only for her name-which translates to “green” in Korean-but also for her presence and potential as a performer.
Chorok’s journey from a trainee to a debuted idol is still in its early chapters, but the buzz surrounding her is already significant. She is part of a pre-debut unit that has been performing the digital single “HUNGRY (Side B)” on music shows, giving fans a first glimpse of her talents. This article provides a comprehensive Kuk Chorok profile, detailing her age, birthday, career, and all the verified facts available im 2026.
Quick Facts Table
Table of Contents
Who Is Kuk Chorok?
Kuk Chorok is a South Korean trainee and the newest member of the girl group OURBIRTHDAY, which is managed by INNIT Entertainment, a subsidiary of JYP Entertainment. She was born on July 28, 2005, in Gwacheon, Gyeonggi-do, South Korea. Chorok is one of seven members of the group, which is set to make its official debut in 2026.
She first gained public attention when she was revealed as part of the group’s “Side B” unit, performing the pre-debut single “HUNGRY (Side B)”. Known for her unique name-which means “green” in Korean-and her charismatic stage presence, Chorok is considered one of the promising rookies of the 2026 K-pop scene.
Early Life and Education
Birth and Childhood
Kuk Chorok was born on July 28, 2005, in Gwacheon, Gyeonggi-do, a city just south of Seoul. Gwacheon is known for its proximity to the capital and its green spaces, including Seoul Grand Park and the Gwacheon National Science Museum. Growing up in this suburban environment, Chorok likely had access to both urban and natural settings, which may have influenced her artistic sensibilities.
Education
Chorok attended local schools in Gwacheon. According to available information, she completed her elementary, middle, and high school education in Gwacheon. She graduated from Gwacheon Elementary School, Gwacheon Middle School, and Gwacheon High School. Her educational background suggests she was a diligent student who balanced her academic responsibilities with her dreams of becoming an idol.
Family Background
Information about Kuk Chorok’s family is not publicly available. Like many K-pop trainees, she has kept her personal life private, and no details about her parents or siblings have been officially disclosed. This information is not publicly available.
Career Journey
Pre-Debut Training
Kuk Chorok began her journey as a trainee under INNIT Entertainment, a subsidiary of JYP Entertainment. While the exact duration of her training period is not publicly known, it is likely that she underwent rigorous training in singing, dancing, and performance skills to prepare for her debut.
Some online sources suggest that Chorok may have been a trainee under HYBE Entertainment before joining INNIT Entertainment. However, this information has not been officially confirmed by either agency. Fans should treat this as unverified speculation unless confirmed by official sources.
Introduction to OURBIRTHDAY
On July 22, 2026, INNIT Entertainment launched the social media accounts for its upcoming girl group, OURBIRTHDAY, and began introducing its members. The group was formed under JYP Entertainment’s subsidiary, marking the company’s first girl group since NMIXX in 2022.
The group’s lineup was revealed in two phases. The first three members-Cho Hyejin, Baby, and Achiraya-were introduced first. Then, on July 28, 2026, the remaining four members were unveiled: Kuk Chorok, Shin Hyewon, U, and Kilala. This completed the seven-member lineup of OURBIRTHDAY.
Pre-Debut Activities: “HUNGRY (Side B)”
Chorok’s first public performance came as part of the “Side B” unit, which released the pre-debut digital single “HUNGRY (Side B)”. The music video and performance showcased the four members’ chemistry and individual charms.
The group began their music show promotions on July 30, 2026, with an appearance on Mnet’s “M Countdown”. This marked Chorok’s first televised performance, giving fans a chance to see her stage presence and skills.
Official Debut
in August 2026, OURBIRTHDAY has not yet made their official debut. The group is currently in the pre-debut phase, with the “HUNGRY” singles serving as a teaser for their full launch. The official debut date has not been announced, but it is expected to occur later in 2026 or in early 2027.
Achievements
As a pre-debut trainee, Kuk Chorok has not yet accumulated major awards or music show wins. Her achievements are currently limited to:
- Being selected as a member of OURBIRTHDAY, a highly anticipated group under JYP Entertainment’s subsidiary
- Performing on Mnet’s “M Countdown” as part of the “HUNGRY (Side B)” unit
- Gaining recognition and a growing fanbase even before her official debut
Interesting Facts About Kuk Chorok
- Unique Name: Her name “Chorok” (초록) means “green” in Korean, making it a distinctive and memorable stage name.
- Birthday: She was born on July 28, 2005, making her a Leo.
- Hometown: Chorok hails from Gwacheon, Gyeonggi-do, a city known for its natural beauty and proximity to Seoul.
- Group Affiliation: She is a member of OURBIRTHDAY, a seven-member girl group under INNIT Entertainment.
- Pre-Debut Unit: Chorok is part of the “Side B” unit alongside Shin Hyewon, U, and Kilala.
- First Performance: She made her first music show appearance on July 30, 2026, on Mnet’s “M Countdown”.
- Education: Chorok graduated from Gwacheon Elementary, Middle, and High School.
- Possible Former Trainee: Some sources speculate that she may have been a trainee under HYBE Entertainment before joining INNIT Entertainment. This has not been officially confirmed.
- Group’s Official Colors: OURBIRTHDAY’s official colors are Mauve.
- Fandom Name: The official fandom name for OURBIRTHDAY has not yet been announced.
- Languages: Chorok speaks Korean.
- Age: in 2026, she is 21 years old (international age).
- Position: Her exact position within the group (e.g., main dancer, lead vocalist) has not been officially disclosed.
- Social Media: in now, Chorok does not have any individual official social media accounts.
- Debut Anticipation: She is part of one of the most anticipated K-pop debuts of 2026, given JYP Entertainment’s track record with girl groups.
Frequently Asked Questions (FAQ)
1. Who is Kuk Chorok?
Kuk Chorok is a South Korean trainee and a member of the upcoming girl group OURBIRTHDAY under INNIT Entertainment.
2. How old is Kuk Chorok?
Kuk Chorok was born on July 28, 2005, making her 21 years old in 2026.
3. When is Kuk Chorok’s birthday?
4. What is Kuk Chorok’s zodiac sign?
5. Where is Kuk Chorok from?
She is from Gwacheon, Gyeonggi-do, South Korea.
6. What group is Kuk Chorok in?
She is a member of OURBIRTHDAY (아워벌스데이).
7. What company manages Kuk Chorok?
She is managed by INNIT Entertainment, a subsidiary of JYP Entertainment.
8. What is Kuk Chorok’s position in OURBIRTHDAY?
Her position has been listed as “Member,” but specific roles have not been officially disclosed.
9. Has Kuk Chorok debuted yet?
inAugust 2026, she has not officially debuted. She is currently in the pre-debut phase with OURBIRTHDAY.
10. What is Kuk Chorok’s height?
Her height is not publicly available.
11. What is Kuk Chorok’s weight?
Her weight is not publicly available.
12. What is Kuk Chorok’s blood type?
Her blood type is not publicly available.
13. What is Kuk Chorok’s MBTI?
Her MBTI type is not publicly available.
14. Was Kuk Chorok a HYBE trainee?
Some online sources speculate that she may have been a HYBE trainee, but this has not been officially confirmed.
15. What is OURBIRTHDAY’s fandom name?
The official fandom name has not yet been announced.
16. What are OURBIRTHDAY’s official colors?
The official colors are Mauve.
17. When did Kuk Chorok first perform?
She first performed on July 30, 2026, on Mnet’s “M Countdown” as part of the “HUNGRY (Side B)” unit.
18. What is the meaning of Kuk Chorok’s name?
“Chorok” means “green” in Korean.
19. Does Kuk Chorok have social media?
in now, she does not have any individual official social media accounts.
20. When will OURBIRTHDAY officially debut?
The official debut date has not been announced yet.
Conclusion
Kuk Chorok is one of the most intriguing new faces in the K-pop scene in 2026. As a member of OURBIRTHDAY, the latest girl group from JYP Entertainment’s subsidiary INNIT Entertainment, she carries the weight of high expectations from fans and industry watchers alike. Her unique name, her hometown of Gwacheon, and her July 28 birthday are just a few of the details that make her profile stand out.
While much about her personal life and training remains private, the glimpses fans have seen through the “HUNGRY (Side B)” performances suggest a talented performer with a bright future ahead. As OURBIRTHDAY moves closer to its official debut, the world will undoubtedly learn more about Kuk Chorok and her journey in the K-pop industry.
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