Group Members

Rei (IVE) Profile, Bio, & Facts


Rei (레이) is a Japanese singer and a member of the Kpop girl group IVE under Starship Entertainment.

Rei (IVE) Profile

Stage NameRei (레이)
Birth NameNaoi Rei (直井れい/ 나오이 레이)
OccupationSinger, Rapper
BirthdayFebruary 3, 2004
Active Years2021–present
Age20 (in 2024)
Zodiac SignAquarius
Height170 cm (5’7″)
Blood TypeA

Rei (IVE) Facts:

Early Life

– Rei was born in Anan, Tokushima, Japan.
– She went to Tamagawa Gakuen Elementary School.
– She attended Seoul Performing Arts High School and studied in the music department.
– She moved to South Korea to become a trainee at the age of fourteen when she was in her third year of middle school.

Personal Life

– Her Chinese Zodiac sign is Monkey.
– She has anxiety when boarding a plane but considered becoming a flight attendant.
– Her hometown is Aichi Prefecture, Nagoya, Japan.
– Her first visit to Korea was at the age of 14 and she found everything new and exciting, including the roller-coaster-like bus rides.
– She would take Leeseo on vacation because Leeseo updates her about school.
– She likes to imagine a story and then she writes her rap about it for songs. (Billboard)
– She doesn’t understand the concept of the “Korean Age” and wants to be friends with Yujin but she keeps rejecting that.
– She wanted to become a kpop idol after watching Red Velvet’s “Red Room” concert.
– She has a Nagoya dialect.
– Her hobbies include drawing, collecting items like roses and butterflies, watching movies and dramas.
– She wanted to do the “Look at me, look at me, look at me now” part from the Kitch MV. (COSMOPOLITAN Korea)
– She enjoys old jokes and imagines various scenarios, such as a zombie apocalypse or toys coming to life.
– She has an older sister (born in 2002) and an older brother.
– She considers Jennie (BlackPink), Joy (Red Velvet) and Lee Hi as her role models.
– She fell in love with French fries in elementary school.
– During their trainee days, Liz and Rei relied on each other and shared a room.
– Rei’s representative emojis are 🦋 and 🐥.
– She shares the master bedroom with Gaeul and Leeseo.
– She enjoys roller coasters and scary rides.
– Her most cherished item is a pair of headphones gifted by her grandfather. (SHOW WHAT I HAVE- IVE Rei)
– She prefers denim over sequins because sequins are not comfortable to wear. (Cosmopolitan)
– If she were an IVE fan, she would bias Liz.
– She is a fan of many artists including Seventeen, TWICE, Red Velvet, Doja Cat, DPR Ian, ENHYPEN, and Dua Lipa.
– Her representative color is Green.
– Her mom often sends Japanese snacks to her dorm from Japan.
– She attended the same school as Yujin.
– She is often teased by Gaeul.


– Rei is the main rapper and vocalist in the group “IVE”.
– She auditioned with “Happiness” (Red Velvet) at Starship Entertainment.
– In 2018, she attended and passed the “’Loen Friends Global Audition Japan” and joined Starship Entertainment.
– She is the first Japanese idol that debuted under Starship Entertainment.
– She has participated as a rap lyricist for many of the group’s songs including “Love Dive”, “After Like”, “Hypnosis”, “Not Your Girl”, and “Next Page”.
– She took a hiatus from group activities on April 11, 2023, due to health reasons such as heart palpitations and stuffiness.

Magazines & Endorsements

– She has appeared in several advertisements including “Bonajour”, “FCMM”, and “Peach C” in 2022.
– She was appointed as the muse for the brands “Bonajour”, “FCMM” and “PEACH C”.
– She appeared in the “ARENA” magazine in 2022 and “COSMOPOLITAN” in 2023.

Likes & Dislikes

– She likes horror movies and she often watches them with Gaeul.
– Rei is a bookworm and enjoys reading books, especially Pride and Prejudice.
– She likes sending and receiving letters.
– She enjoys the scent of roses.
– She loves puppies and wishes to have one someday.
– Her favorite comics are by the writer Ai Yazawa.
– Roses are her favorite type of flowers.
– She finds dad jokes amusing.
– She has a love for butterflies. (데뷔 D-1, KBS Kpop)
– Nana Komatsu is her favorite actress.
– She likes dolls, particularly a penguin doll named ‘Popo,’ and enjoys naming her dolls. (IVE Twitter)
– Her favorite emoji is the white heart (🤍).
– She likes white, black, and pastel shades.
– Romeo and Juliet is her favorite movie.

Food Preferences

– She prefers flavored milk over plain milk.
– Among her favorite foods are Hawaiian pizza, and marshmallows.
– She prefers chicken over pizza. (1,2,3, IVE EP.7)
– Rei enjoys various foods and vegetables, including broccoli.
– Udon is her favorite Japanese food, and she eats it whenever she returns to Japan.
– She likes Shine Muscat grapes.
– She enjoys eating pork belly and cold noodles together.
– She likes strawberry cake, strawberry latte, and strawberry ice cream.
– She loves Haagen-Dazs Strawberry & Cream Stick Bars and she could eat 100 of them.
– She likes Yukimi Daifuku, a Japanese frozen dessert, sold as Chaltteok Ice in Korea.


– Her nicknames include “Alpine Leek”, “Peuyu”, “Kongsuni”, “Gap Difference”, “Baby Chapssal-deok”, “Mochi”, and “Kirei”.
– Her group members nicknamed her “Kim Rei” because she is very fluent in Korean.
– Rei’s parents like to call her “Reiko” (Rei baby).
– Her Korean fans nicknamed her “Reyomi” (Rei + Gwiyomi).


– Rei has good drawing skills.
– She has a flexible body.
– She passed Level 4 of the Korean Proficiency test TOPIK.
– She is left-handed.
– She excels in swimming and skiing but struggles with running.
– She has the ability to write her own raps in Japanese, Korean, and English.
– She is the team’s bug catcher as she is not afraid of being in escape rooms or bugs, unlike the other members.
– She types the fastest in the group.


– She has a shy and curious personality.
– She is known as a straight talker.
Wonyoung describes her as someone overprotective but in a nice way.
– Rei was quiet and shy as a child and cried when someone spoke to her first.

Celebrity Friends

– She is close with ex-YOURS Dayoung and Dana (HOT ISSUE).
– She has been friends with Kep1er‘s Dayeon since 9th grade.


– When she was revealed, netizens noted a resemblance between her and former Nogizaka46 member Nishino Nanase, as well as SHINee‘s Minho.
– Fans think she looks similar to OA’s Choa, WekiMeki’s Yoojung, Oh My Girl’s Yooa, Apink’s Namjoo, and actress Kim Taeri.

Social Media Handles
Instagram: reinyourheart

Streaming Platform Links
Genie | Bugs | Melon

NOTE: How did you get to know Rei? Mention your story in the comments section and also share more facts with us if you know!

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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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