Rina Watanabe is a prominent Japanese idol and singer best known as a fourth-generation member of the popular female idol group Hinatazaka46. Joining the group at a remarkably young age, she quickly captured public attention with her striking visuals, composed demeanor, and impressive performance skills. Over the years, she has evolved from the group’s youngest newcomer into an essential core member and next-generation ace.
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Rina Watanabe was born on February 7, 2009, in Fukuoka Prefecture, Japan. As of 2026, she is 17 years old. Before her career in the music industry, she gained early experience working as a child model in her hometown, which helped build her natural poise and photogenic presence in front of the camera.
Key details of her professional profile include:
- Real Name: Rina Watanabe (渡辺莉奈)
- Nicknames: Rinana, Rinashi, Rina-chan
- Date of Birth: February 7, 2009
- Age: 17 years old (as of 2026)
- Place of Birth: Fukuoka Prefecture, Japan
- Member Color: Purple × Pink
- Group: Hinatazaka46 (Joined in September 2022)
Biography & Career History in Hinatazaka46
Rina Watanabe’s journey into the Japanese idol scene began in 2022 when she successfully auditioned for Hinatazaka46 as part of the group’s fourth-generation recruits. At just 13 years old and in her second year of junior high school, she was unveiled as the youngest member in the group’s history.
2022-2023: Debut and Early Breakthroughs
In September 2022, her official introduction video went viral on social media due to her mature expressions and youthful charm. Shortly after, she made her variety show debut on Hinatazaka de Aimashou, impressing viewers with calm commentary skills that completely belied her young age. She participated in her first fourth-generation track, “Blueberry & Raspberry,” featured on the group’s 8th single, Tsuki to Hoshi ga Odoru Midnight.
By early 2023, she performed at the 4th Generation Omotenashi-kai at Makuhari Messe and contributed to key songs like “Coelacanth” from the 9th single One choice and “Rock Climbing” from the 2nd album Myakutsu Kanjou.
2024-Present: Rise to Prominence and Acting Debut
As she matured, her role within Hinatazaka46 expanded significantly. In April 2024, she achieved a major milestone by being selected for the title track of the 11th single, Kimi wa Honey Dew, cementing her status as a frontline representative of the next generation. Later that year, she made her screen debut by playing the role of Seira Kirie in the feature film Zenbu of Tokyo, which featured all fourth-generation members.
Entering 2026, Watanabe celebrated her 17th birthday and continued to anchor major releases, participating in the 16th single Cliffhanger and contributing to upcoming projects like the 17th single Kind of love.
Songs, Discography, and Media Appearances
Rina Watanabe’s artistic output spans singles, albums, television broadcasts, magazines, and film. Her prominent song participation includes:
- “Blueberry & Raspberry” (Fourth-generation introduction song)
- “Coelacanth” (Featured on the 9th single One choice)
- “Mitakotonai Mamono” (Fourth-generation track featuring her prominent performance skills)
- “Rock Climbing” (Featured on the 2nd album)
- “Kimi wa Honey Dew” (Her first title-track selection on the 11th single)
- “Cliffhanger” (16th single, released January 2026)
- “Kind of love” (17th single, scheduled for release in May 2026)
In addition to her musical work, she has graced the covers of prominent Japanese publications like B.L.T. alongside fellow fourth-generation members Yoko Shogenji and Kaho Fujishima, and regularly appears on television programs such as Hinatazaka de Aimashou.
Frequently Asked Questions About Rina Watanabe
When is Rina Watanabe’s birthday?
Rina Watanabe was born on February 7, 2009.
What group is Rina Watanabe a member of?
She is a fourth-generation member of the Japanese idol group Hinatazaka46, having joined in September 2022.
What is Rina Watanabe’s height?
While specific height measurements fluctuate slightly as she grows, she is recognized for her tall, graceful silhouette and striking visual presence on stage and in fashion magazines.
Does Rina Watanabe have a boyfriend?
There are no official or verified reports regarding Rina Watanabe having a boyfriend. As an active member of Hinatazaka46, she focuses heavily on her career, academics, and idol activities.
What are Rina Watanabe’s official member colors?
Her official penlight and member colors are Purple and Pink.
What was Rina Watanabe’s first title track selection?
She was selected for her first title track with Hinatazaka46’s 11th single, Kimi wa Honey Dew, released in April 2024.
