Rei: The Versatile Singer, Rapper, and Trendsetter of IVE
In the fast-paced world of K-pop, few artists manage to blend distinct vocal talent with an innate ability to drive global digital trends. Rei (Naoi Rei), a Japanese singer and rapper based in South Korea, has emerged as a standout figure within the industry. As a prominent member of the South Korean girl group IVE under Starship Entertainment, Rei has transitioned from a dedicated trainee to a multifaceted entertainer, songwriter, and high-fashion muse.
Key Facts
- Full Name: Naoi Rei (直井 怜)
- Birth Date: February 3, 2004
- Origin: Nagoya, Aichi, Japan
- Group Affiliation: IVE
- Occupations: Singer, Rapper, Songwriter, Model
- Agency: Starship Entertainment
Early Life and Training
Born in Nagoya, Japan, Rei's journey to the global stage began in 2018. She caught the attention of Starship Entertainment during the Loen Friends Global Audition in Japan, where her unique vocal color during a performance of Red Velvet's "Happiness" set her apart from other candidates. Following her successful audition, she moved to South Korea to begin an intensive training period.
During her three and a half years of training, Rei focused on honing her musical skills at the School of Performing Arts Seoul (SOPA), specializing in the applied music department. She officially graduated from the institution on February 10, 2022, marking a significant milestone in her professional development.
Musical Career and Songwriting
Rei was officially introduced as the fifth member of IVE on November 6, 2021, serving as both a rapper and vocalist. She made her highly anticipated debut on December 1, 2021, with the single album Eleven.
Beyond her performance roles, Rei has established herself as a capable songwriter. Her contributions to IVE's discography include:
- "Royal" from the single album Love Dive (2022)
- "After Like" (2022)
- Four tracks on the first studio album, I've IVE (2023): "Kitsch", "Hypnosis", "Not Your Girl", and "Next Page".
In early 2023, Rei took a brief hiatus to focus on her health, returning to group activities at the end of May after her condition improved.
A Global Trendsetter and Digital Icon
Rei has earned a reputation as an "all-time trendsetter" due to her ability to spark viral moments on social media platforms like TikTok, Instagram Reels, and YouTube Shorts. In April 2025, she led the "Pokju Gini" (Rampaging Guinea Pig) challenge, inspired by the song "Attitude" from the mini album Ive Empathy. Her signature time-lagged arm-waving dance became a global sensation, earning her the nickname "Captain Ggini." Her influence is further evidenced by her spoiler videos, which have amassed over 38.6 million views on TikTok.
Her digital impact was officially recognized on October 15, 2025, when she won the "Best Trend Leader" award at the TikTok Awards Korea 2025.
Fashion and Brand Ambassadorships
Rei's influence extends deep into the luxury fashion sector. She has appeared on numerous prestigious magazine covers, including Vogue Japan, Cosmopolitan Korea, L'Officiel Korea, and Dazed. Her presence at major international events, such as the Valentino Spring/Summer 2026 fashion show in Paris, underscores her status as a global fashion icon.
She has served as a muse and ambassador for a wide array of brands, including:
- Luxury: Valentino (Ambassador) and Versace.
- Beauty: Luna (Korean-Japanese Ambassador), Bonajour, Peach C, and Miseki Seoul.
- Lifestyle & Fashion: Opening Project, Ferragamo, Swarovski, and Polo Ralph Lauren.
- Other: Pokémon Card Game Pocket (Promotional Model).
Summary of Career Milestones
| Year | Milestone | Category |
|---|---|---|
| 2018 | Joined Starship Entertainment | Career Start |
| 2021 | Debut with IVE (Eleven) | Music |
| 2022 | Graduated from School of Performing Arts Seoul | Education |
| 2023 | First songwriting credits for IVE | Music |
| 2025 | Won TikTok "Best Trend Leader" Award | Awards |
| 2026 | Valentino Ambassador at Haute Couture Show | Fashion |
Frequently Asked Questions
What is Rei's role in the group IVE?
Rei serves as a vocalist and rapper for the group IVE.
Has Rei written songs for IVE?
Yes, Rei is a credited songwriter for several IVE tracks, including "Royal," "After Like," "Kitsch," "Hypnosis," "Not Your Girl," and "Next Page."
What is the "Pokju Gini" challenge?
The "Pokju Gini" (Rampaging Guinea Pig) challenge is a viral dance trend initiated by Rei during the promotion of the song "Attitude," characterized by a unique, time-lagged arm-waving motion.
Which luxury brands is Rei associated with?
Rei has significant associations with high-fashion brands, most notably serving as an ambassador for Valentino.
Where was Rei born?
Rei was born in Nagoya, Aichi, Japan.