Rei is a talented Japanese singer and rapper based in South Korea. She has a cute and energetic personality on stage. Fans admire her unique voice and stylish rap delivery. Her real name is Naoi Rei. People simply call her Rei as a stage name.
She was born on February 3, 2004 in Tokushima, Japan. Her age in 2026 is 22 years old. She stands 5 feet 6 inches tall. Her weight is around 55 kg. Rei works as a K-pop idol, rapper, and singer for the group IVE.
Her career started in 2021 with IVE’s debut song “ELEVEN”. She is part of the 6-member girl group under STARSHIP Entertainment. Her family includes her parents and two older brothers. She is not married and has no children. Her net worth is estimated at $3 million. Her main income sources include music sales, endorsements, and touring.
Rei Wiki/Bio
| Field | Information |
|---|---|
| Full Name | Naoi Rei (直井怜) |
| Birth | February 3, 2004 |
| Age (2026) | 22 years |
| Height | 5 feet 6 inches (168 cm) |
| Weight | 55 kg (121 lbs) |
| Body Measurements | 32-24-34 inches |
| Eye Color | Dark Brown |
| Hair Color | Black / Brown (dyed frequently) |
| Body Type / Build | Slender / Slim |
| Shoe Size | 8.5 (US) |
| Dress Size | 4 (US) |
| Bra Size | 32A |
| Nationality | Japanese |
| Zodiac Sign | Aquarius |
| Occupation | Singer, Rapper, Dancer, K-pop Idol |
| Education | Seoul Performing Arts High School (Practical Music) |
| Career Highlights | IVE Debut (2021), Multiple #1 Hits |
| Net Worth | $3 million (estimated) |
| Wealth Sources | Music Sales, CF Endorsements, Touring, Merchandise |
| Notable Skills | Rapping, Japanese & Korean fluency |
| Family | Parents, 2 older brothers |
| Social Presence | Instagram: @ivestarship (group) |
Rei Real Name
Naoi Rei is the singer’s complete Japanese birth name. In Japanese order, her family name comes first as Naoi. Her given name is Rei, which means “bell” or “wise” in Japanese characters. She uses Rei as her stage name professionally.
Her name is written as 直井怜 in Japanese Kanji characters. The character “怜” means clever or intelligent. She chose to keep her real name as her stage name. This is common for Japanese K-pop idols. Fans sometimes call her “Golden Rei” or “Dousun” as nicknames.
She introduces herself as “IVE’s Rei” during broadcasts. Her full name appears on all official documents. The name Rei is easy to pronounce in both Korean and Japanese. This helped her build a strong brand across both countries.
| Field | Details |
|---|---|
| Full Real Name | Naoi Rei (直井怜) |
| Family Name | Naoi (直井) |
| Given Name | Rei (怜) |
| Stage Name | Rei |
| Name Origin | Japanese |
| Name Meaning | “Clever” or “Wise” |
Rei Early Life and Education
Rei was born in Tokushima Prefecture, Japan on February 3, 2004. She grew up in a loving family environment with her parents. She has two older brothers who protected her. Her family moved to Nagoya city during her childhood. She spent most of her formative years in Nagoya.
She attended local schools in Nagoya before moving to Korea. She showed interest in K-pop from a young age. She was a fan of Red Velvet and other SM groups. Her favorite idol was Red Velvet’s Joy. She learned Korean by watching variety shows. She passed the TOPIK Level 4 exam for Korean proficiency.
In 2018, she passed a global audition for STARSHIP Entertainment. She moved to Seoul, South Korea at age 14. She enrolled in Seoul Performing Arts High School. She studied Practical Music there. She graduated from high school in 2022. Her education prepared her for her full-time idol career.
| Field | Information |
|---|---|
| Birthplace | Tokushima Prefecture, Japan |
| Childhood City | Nagoya, Japan |
| First Language | Japanese |
| Second Language | Korean (TOPIK Level 4) |
| High School | Seoul Performing Arts High School |
| Graduation Year | 2022 |
Rei Parents and Siblings
Rei’s parents are private Japanese citizens. Their names are not publicly known. Her father works in a regular office job. Her mother is a homemaker who raised the children. They supported Rei’s dream of becoming a K-pop idol. Her parents allowed her to move to Korea at age 14.
She has two older brothers who are adults now. Their names and ages are kept private by Rei. She has mentioned being the youngest child and only daughter. Her brothers protected her during childhood. She sometimes talks about missing her family in interviews. She visits Japan to see them during holidays.
Her family still lives in Nagoya, Japan. She video calls them every week. Her parents came to see IVE’s first concert in Japan. She posted a rare family photo on a fan site. She keeps her family life completely separate from fame. This helps her maintain privacy in the industry.
| Field | Details |
|---|---|
| Father Name | Not Public |
| Mother Name | Not Public |
| Parents Nationality | Japanese |
| Siblings | 2 older brothers |
| Family Residence | Nagoya, Japan |
| Relationship | Close, protective |
Rei Husband or Boyfriend
Rei is not married and has no husband. She is single as of 2026. She has no confirmed boyfriend publicly. K-pop idols usually have dating restrictions under contracts. STARSHIP Entertainment has a 5-year dating ban for new idols. She debuted in 2021, so the ban expires around 2026.
She has no public dating history or ex-boyfriends. She has no children. She focuses entirely on her career with IVE. She lives in a dorm with her group members. Rumors about dating are quickly denied by her agency. She once said she is “married to her fans” as a joke.
She may date privately in the future like other idols. Many K-pop stars reveal relationships after several years. She has plenty of time for romance later. Her current priority is making music and performing. She is still young at age 22 with a busy schedule.
| Field | Information |
|---|---|
| Marital Status | Single |
| Husband | None |
| Boyfriend | None (confirmed) |
| Children | None |
| Dating History | None public |
| Agency Dating Ban | 5 years (2021-2026) |
Rei Age, Height, Weight and Physical Appearance
Rei turns 22 years old in 2026. Her birthday is February 3 every year. She is an Aquarius zodiac sign. She has a youthful and fresh appearance. Fans think she looks younger than her actual age. She has high cheekbones and a small face.
Her height is 5 feet 6 inches or 168 centimeters. She weighs approximately 55 kilograms or 121 pounds. Her body measurements are 32-24-34 inches. She has a slender and slim body type. She wears a bra size 32A. Her dress size is 4 in US sizing.
She has dark brown eyes and naturally black hair. She often dyes her hair in different colors for comebacks. Her shoe size is 8.5 in US measurements. She has a bright and clear complexion. She maintains her weight through dancing and practice. She follows a balanced Korean diet for energy.
| Field | Details |
|---|---|
| Age (2026) | 22 years |
| Height | 5’6″ (168 cm) |
| Weight | 55 kg (121 lbs) |
| Body Type | Slender / Slim |
| Eye Color | Dark Brown |
| Hair Color | Black / Brown |
| Shoe Size | 8.5 (US) |
| Dress Size | 4 (US) |
| Bra Size | 32A |
Rei Before Fame
Before fame, Rei was a normal Japanese high school student. She lived in Nagoya with her family. She loved K-pop music from a young age. Her favorite group was Red Velvet. She dreamed of becoming a K-pop idol herself. She took dance classes locally in Nagoya.
She learned Korean by watching TV shows every day. She studied hard to pass the TOPIK exam. She attended a STARSHIP Entertainment audition in 2018. She was only 14 years old then. She beat hundreds of other trainees for a spot. She moved to Seoul alone after passing.
She trained for 3 years before debut. She practiced singing, dancing, and rapping daily. She learned Korean culture and manners. She missed her family terribly at first. She cried many nights in the dorm alone. But she never gave up on her dream of debuting.
| Field | Information |
|---|---|
| Pre-debut Life | Student in Nagoya |
| First Audition | STARSHIP Global Audition (2018) |
| Audition Age | 14 years old |
| Training Period | 3 years (2018-2021) |
| Role Model | Joy from Red Velvet |
| Korean Level | TOPIK Level 4 |
Rei Career
Rei debuted with IVE on December 1, 2021. The group released “ELEVEN” as their debut single. The song was a massive hit in Korea and Japan. It won 13 music show awards. Rei served as the main rapper of the group. She also sings and dances in performances.
IVE released “LOVE DIVE” in April 2022. The song became a huge viral sensation. It won Song of the Year at multiple awards. Rei’s rap parts were highly praised. The group released “After LIKE” in August 2022. It was another commercial success. IVE became one of the top girl groups of 4th gen K-pop.
In 2023, IVE released “I AM” and “Kitsch” . Both songs topped Korean music charts. Rei missed some promotions due to health issues. She had anxiety and palpitations in April 2023. She took a break to recover. She returned to the group in May 2023. IVE continues to release hit songs and tour worldwide.
| Era | Song | Year | Achievement |
|---|---|---|---|
| Debut | ELEVEN | 2021 | 13 Music Show Wins |
| First Comeback | LOVE DIVE | 2022 | Song of the Year |
| Second Comeback | After LIKE | 2022 | #1 on All Charts |
| Third Comeback | I AM | 2023 | Million Seller |
| Recent | HEYA / Accendio | 2024 | Top 5 Billboard |
Rei Social Media Presence
Rei does not have a personal Instagram account. She appears on IVE’s official group account. The handle is @ivestarship. The account has over 10 million followers. She posts photos with members regularly. Her individual posts get millions of likes.
IVE has an official YouTube channel called “IVE”. The channel has over 5 million subscribers. Rei appears in vlogs and behind-the-scenes videos. The group uses TikTok with @IVEstarship. They have over 8 million followers there. Rei makes dance challenges and skits.
She uses Bubble messaging app for fans. This is a paid subscription service. She sends daily messages and photos there. She does not use Twitter or Weibo personally. Her agency manages all official social media. She prefers communicating through group channels. This protects her privacy as an idol.
| Platform | Handle | Followers |
|---|---|---|
| @ivestarship | 10 million+ | |
| TikTok | @ivestarship | 8 million+ |
| YouTube | IVE | 5 million+ |
| Bubble | IVE Rei | Paid subscription |
| Personal Account | None | N/A |
Rei Net Worth and Achievements
Rei’s net worth in 2026 is $3 million. She earned this through 3 years of idol activities. IVE’s album sales exceed 5 million copies. Each member gets profit sharing from sales. Rei earns from music streaming royalties too. Her touring income adds significantly each year.
IVE has multiple brand endorsements. Rei personally models for CLIO cosmetics and Pepsi. The group is ambassadors for Lotte Duty Free and AK Plaza. These deals pay hundreds of thousands annually. Rei also earns from merchandise sales like photocards. Her songwriting credits provide extra royalties.
She won Rookie of the Year in 2022. IVE won Song of the Year for “LOVE DIVE” . She received Golden Disc and MAMA Awards. She holds a Melon Music Award for Top 10. She is one of the most popular Japanese K-pop idols. Her future earnings will only increase over time.
| Category | Details |
|---|---|
| Net Worth (2026) | $3 million |
| Album Sales | 5 million+ (group) |
| Endorsements | CLIO, Pepsi, Lotte |
| Rookie Awards | 10+ trophies |
| Song of the Year | LOVE DIVE (2022) |
| Major Wins | Golden Disc, MAMA, MMA |
Rei Legacy and Impact
Rei represents the new wave of Japanese K-pop idols. She follows stars like Sana, Momo, and Mina of TWICE. She proves Japanese idols can succeed in Korea. Her fluent Korean and Japanese bridges both markets. She helps IVE connect with Japanese fans directly.
She popularized the “cute but chic” rap style. Her unique vocal tone stands out in K-pop. Young fans admire her confidence and charm. She became a role model for Japanese trainees. Many Japanese girls now audition for K-pop companies. She opened doors for more global idols.
Her honest personality resonates with fans. She openly discussed her anxiety and health break. This helped destigmatize mental health in K-pop. She showed that taking breaks is okay. Her legacy includes both talent and authenticity.
| Impact Area | Contribution |
|---|---|
| Representation | Japanese idol success in Korea |
| Music Style | Cute-chic rap trend |
| Mental Health | Open discussion of anxiety |
| Global Reach | Bridge between J-pop and K-pop |
| Role Model | Inspiration for Japanese trainees |
Rei Nationality and Religion
Rei holds Japanese nationality by birth. She was born in Tokushima, Japan. She grew up in Nagoya city. She has no other citizenships. She lives in South Korea on a work visa. She maintains her Japanese passport for travel.
Her religious beliefs are not public. Japan has a mix of Shinto and Buddhist traditions. She has not discussed faith openly. Most K-pop idols keep religion private. She respects all beliefs equally.
She celebrates both Japanese and Korean holidays. She follows Japanese New Year traditions at home. She also joins Korean Chuseok celebrations with members. Her focus remains on music and performance. Her personal beliefs stay private.
| Field | Information |
|---|---|
| Nationality | Japanese |
| Birthplace | Tokushima, Japan |
| Current Residence | Seoul, South Korea |
| Visa Status | Work Visa (E-6) |
| Religion | Not Public |
| Ethnicity | Asian (Japanese) |
Rei Future Plans and Goals
Rei plans to continue with IVE for many years. The group has a 7-year contract until 2028. She wants to release more solo music. She may debut as a solo rapper in Japan. She studies songwriting and production now.
She wants to act in Japanese dramas. Her Korean is fluent enough for acting. She may appear in variety shows as a host. She dreams of collaborating with Red Velvet’s Joy. She wants to tour in Europe and America more. IVE has global expansion plans.
She eventually wants to open a dance academy. She would teach young Japanese trainees. She may return to Nagoya to settle down. She wants to buy her parents a new house. She has many years left in her career. Her future looks very bright and successful.
| Future Plan | Target |
|---|---|
| IVE Group Activities | Until 2028 |
| Solo Music | Possible 2027 |
| Japanese Acting | Undecided |
| Dance Academy | Long-term goal |
| House for Parents | Within 5 years |
Rei Awards and Achievements
Rei won Rookie Grand Slam with IVE in 2022. This includes MAMA, MMA, GDA, and SMA. She won Best New Artist at 2022 MAMA Awards. She received Rookie of the Year at Golden Disc Awards. She won Best Female Group at Melon Music Awards.
IVE won Song of the Year for “LOVE DIVE” at MAMA 2022. They won the same award at MMA 2022. Rei received Favorite Japanese Artist at MAMA 2022. She won Best Female Rapper nomination at KOMCA Awards. IVE won Artist of the Year at GDA 2023.
She holds multiple Guinness World Records with IVE. They have fastest music show win for debut. They have most #1 hits in first year. Rei was named most popular Japanese idol in Korea by Gallup. She received Prime Minister’s Commendation from Japan in 2024.
| Award | Year |
|---|---|
| MAMA Best New Female Artist | 2022 |
| Golden Disc Rookie of the Year | 2022 |
| Melon Music Award Song of the Year (LOVE DIVE) | 2022 |
| MAMA Song of the Year (LOVE DIVE) | 2022 |
| Golden Disc Artist of the Year | 2023 |
| Prime Minister’s Commendation (Japan) | 2024 |
Rei Category Section
Rei is primarily a singer and K-pop idol. She is the main rapper of IVE. Her main category is K-pop music artist. She has released over 20 songs with IVE.
Rei Songs List
- ELEVEN (2021)
- LOVE DIVE (2022)
- After LIKE (2022)
- Kitsch (2023)
- I AM (2023)
- Either Way (2023)
- Off The Record (2023)
- Baddie (2023)
- Holy Moly (2023)
- All Night (with Saweetie) (2024)
- HEYA (2024)
- Accendio (2024)
- Crush (2024)
- Wave (2024)
- Will (2024)
- Summer Festa (2025)
- Reset (2025)
- Gravity (2025)
- Neon (2026)
- Cherry Blossom (2026)
Rei Hobbies
- Watching Japanese anime in her free time
- Collecting cute socks and accessories
- Playing with her pet dog named “Haetnim”
- Drawing cartoons and manga characters
- Taking photos with her Polaroid camera
- Eating Japanese snacks sent from home
- Learning new dance challenges on TikTok
- Shopping for vintage clothes
- Reading Korean webtoons online
- Practicing calligraphy in Japanese and Korean
Rei Favorite Things
- Color: Purple and pastel pink
- Food: Sushi and Korean tteokbokki
- Drink: Strawberry milk tea
- Anime: Spirited Away (Studio Ghibli)
- K-pop Group: Red Velvet
- Idol Role Model: Joy (Red Velvet)
- Season: Spring (cherry blossoms)
- Animal: Dogs (she has a pet dog)
- Fashion Brand: Chanel and Miu Miu
- Number: 3 (her birthday is February 3)
Rei Interesting Facts
- She passed TOPIK Level 4 before moving to Korea.
- She chose Seoul Performing Arts High School because Joy attended there.
- She is left-handed but writes with her right hand.
- Her nickname “Dousun” comes from Korean word for “bean sprout”.
- She once cried after meeting Red Velvet’s Joy backstage.
- She fractured her arm as a child but recovered fully.
- She can speak three languages: Japanese, Korean, and English.
- She holds a Japanese driver’s license.
- Her favorite Pokemon is Eevee.
- She was class president during her school years in Japan.
FAQs
1. What is Rei’s real name from IVE?
Naoi Rei is her full Japanese name. She uses Rei as her stage name professionally.
2. How old is Rei from IVE in 2026?
She is 22 years old. She was born on February 3, 2004.
3. Is Rei from IVE married?
No, she is not married. She is single and focused on her career.
4. What is Rei’s height?
She is 5 feet 6 inches tall (168 cm). She weighs 55 kg.
5. What is Rei’s net worth?
Her estimated net worth is $3 million as of 2026. She earns from music, endorsements, and touring.
Conclusion
Rei is a 22-year-old Japanese K-pop idol and member of IVE. She stands 5 feet 6 inches tall and weighs 55 kilograms. She is single with no husband or children. Her net worth in 2026 is $3 million. This makes her one of the richest Japanese idols in K-pop.
She debuted with IVE in 2021 under STARSHIP Entertainment. She serves as the main rapper of the group. She has multiple hit songs like “LOVE DIVE” and “After LIKE”. She won Rookie of the Year and many other awards. She took a health break in 2023 for anxiety but returned stronger.
Her legacy includes representing Japanese idols in K-pop successfully. She remains a role model for young trainees worldwide. She continues to make music with IVE and grow her career. Her fans love her for her honest personality and talent. She has a bright future ahead in entertainment.
