Rei (레이) is a well-known Japanese rapper and singer currently a member of the South Korean girl group IVE and also a member of Hexenring. She is under Starship Entertainment. Additionally, she is the first Japanese idol to debut under Starship Entertainment.

Quick Facts

Stage Name Rei (레이)
Birth Name Naoi Rei (나오이 레이)
Birth Place Aichi Prefecture, Nagoya, Japan
Agency Starship Entertainment
Date of Birth February 3, 2004
Zodiac Sign Aquarius
Father N/A
Mother N/A
Net Worth N/A
Height 5 feet 7 inches
Weight 54 kg
Social Media N/A
Official Website N/A

Rei Bio, Age, Parents, and Education

Naoi Rei aka Rei was born in Anan, Tokushima, Japan on February 3, 2004, As of 2023, her age is 19. According to her date of birth, her zodiac sign is Aquarius. her hometown is now in Aichi Prefecture, Nagoya, Japan.

Later on, when she was 15 years old, she came back to Korea.

Her stage name is written in Korean as 레이, and her real name Naoi Rei is written as 直井れい/ 나오이 레이 with her Korean name Kim Rei written as 김레이.

There is no information about the mother and father. However, She has a younger sister who was born in 2002 and a younger brother.


She attended Tamagawa Gakuen Elementary School. As she grew older, her passion for music intensified, leading her to enroll in Seoul Performing Arts High School, where she focused on honing her skills in the music department.

Determined to pursue her dreams, she made a bold decision at the age of fourteen. She left her home country behind and moved to South Korea, becoming a trainee in hopes of making her mark in the music industry.

Later on in the year 2022, on 10 February, she graduated from the School of Performing Arts Seoul (SOPA),

Rei Social Media

Presently, Rei is not active on any kind of social networking sites, her Instagram, Threads, Facebook, and TikTok accounts are missing.

But here is the list of her group social media accounts:

Rei Boyfriend and Dating

Rei is single and of the straight gender. Also, she is not in a love relationship right now because she is more concentrated and preoccupied with her career channel.

Also, there is no information regarding her past affairs.

Rei IVE, Rapper & Singer Career

Rei, the talented artist, holds the position of main rapper and vocalist in the sensational group “IVE.” Her journey began when she auditioned with Red Velvet’s hit track “Happiness” at Starship Entertainment.

In 2018, she triumphantly attended and passed the esteemed “Loen Friends Global Audition Japan,” leading her to join the prestigious Starship Entertainment.

Later on, in the year 2021, on November 6, she was revealed as the fifth member of IVE. The group debuted on December 1, 2021, with the album “Eleven”.

Rei holds a significant distinction as the first-ever Japanese idol to debut under this renowned agency. Her exceptional skills extend beyond her vocal prowess, as she has contributed as a rap lyricist for numerous group hits like “Love Dive,” “After Like,” “Hypnosis,” “Not Your Girl,” and “Next Page.”

However, on April 11, 2023, she had to take a hiatus from group activities due to health concerns, including heart palpitations and stuffiness. Later on, in 2023, she resumed her group activities.

Brand Endorsements

She is the Brand Endorsement of Bonajour (2022), FCMM (2022), and Peach C (2022). Also, she is a model for  SK Telecom‘s “V Coloring” (a subscription-based video ringback tone service) in August 2022.

Rei Net Worth

Her exact earnings are still unclear at the moment. Her earnings like annual salary, weekly earnings, and net worth are still unclear.

She is enjoying her luxurious and standard life as per the sources.

Body Stats: Height, Weight, and Body Measurements

Rei has a well-maintained body and she seems physically fit and fine. Talking about her physical appearance, she has a height of around 5 feet 7 inches (170 cm) and a weight of 54 kg an “A” blood group.

Besides, she has brown straight silky hair and beautiful black pairs of eyes.


  • She is very fluent in Japanese and Korean.
  • Beautiful singer, Rei is Left-handed.
  • Joy is her role model.
  • Her MBTI type is INFJ.
  • Green is her representative color.
  • Ray and Yujin went to the same school.
  • She likes to watch horror movies and often with Gaeul.
  • Joy from Red Velvet is her role model.
  • Her favorite movie is Romeo and Juliet.

Also Read: Ahn Ji-hyun (Actress)Joo Hee-jung (Basketball Coach)

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