Kôki Biography: Songs, Boyfriend, Parents, Awards, Sister, Height, Net Worth, Movies, Age, TV Shows, Ethnicity
Mitsuki Kimura, professionally known as Kōki, is a Japanese model, songwriter, and actress who has rapidly become one of the most recognizable young talents in the Asian entertainment industry.
She began her professional journey as a songwriter before making her modeling debut in 2018 at the age of fifteen.
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She has since served as a global brand ambassador for Estée Lauder, Bulgari, and Chanel, and earned critical acclaim for her acting work, including the Rising Star Award at the 2025 Asian Film Awards.
With a career spanning fashion, music, and film, Kōki has established herself as a multifaceted creative force.
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| Wiki Facts & About Data | |
| Real Name: | Mitsuki Kimura |
| Stage Name: | Kōki |
| Born: | 5 February 2003 (age 23 years old) |
| Place of Birth: | Tokyo, Japan |
| Nationality: | Japanese |
| Height: | 1.70 m |
| Parents: | Takuya Kimura, Shizuka Kudo |
| Siblings: | Cocomi Kimura |
| Occupation: | Model, Songwriter, Actress |
| Net Worth: | $2 million |
Early Life and Education
Kōki first saw the light of day on 5 February 2003 in Tokyo, Japan. Of Japanese heritage and raised in a Shinto household by her parents, actor Takuya Kimura and singer Shizuka Kudo, she grew up alongside her older sister, Cocomi, who is a celebrated flautist and model.
Kōki displayed artistic inclinations from a young age, taking lessons in piano and flute and winning the Excellence Award at the 23rd Yamano Junior Flute Contest.
She attended The British School in Tokyo, where she became fluent in English, and by the age of seven she was already composing music.
Her upbringing in a household deeply connected to the entertainment industry shaped her creative development and prepared her for a career in the public eye.
Career
Kōki launched her professional career in 2017 as a songwriter, composing three songs for her mother Shizuka Kudo’s album Rin, as well as writing for Mika Nakashima.
Her modeling debut followed in May 2018, when she appeared on the cover of Elle Japon’s July issue, instantly drawing widespread attention.
In August 2018, she became Japan’s youngest ambassador for the luxury brand Bulgari, and by October she had secured her first commercial endorsement with Otsuka Pharmaceutical.
Her striking presence and refined aesthetic quickly led to partnerships with additional luxury houses, and in 2021 she was appointed a global brand ambassador for Estée Lauder.
Kōki’s career expanded significantly as she entered the worlds of music performance and fashion runway.
In 2019, she appeared as a featured artist on Daichi Miura’s song “Katasumi,” which served as the opening theme for the television drama Hakui no Senshi, and she also wrote the song.
That same year, she made her runway debut at Paris Fashion Week representing Chanel, and appeared in the music video for Kris Wu’s “Eternal Love.”
Her accolades during this period included the Elle Cinema Award Rising Star in 2018 and the Yahoo! Search Grand Prix Model Category award.
In 2022, she starred in the horror film Ox-Head Village, playing dual roles and drawing an audience of 300,000, with box office earnings reaching 370 million yen.
In her later career, Kōki has continued to expand her artistic range and international profile.
She took on roles in the romantic drama Touch (2024) and the period action drama Tornado (2025), the latter earning her the Rising Star Award at the 2025 Asian Film Awards.
She also received the Blue Ribbon Award for Best Newcomer and was recognized at the 2025 Weibo Movie Night as a rising talent.
Her ability to move seamlessly between fashion, music, and film has positioned her as one of Japan’s most versatile young entertainers, and her influence continues to grow across Asia and beyond.
Her journey reflects a deliberate commitment to artistic growth and a refusal to be defined by a single discipline.
Social Media
- Instagram Handle: @koki
Personal Life
Kōki has never been married and is currently single. She has largely kept her romantic life away from public attention, though she was reported in late 2025 to have been in a relationship with professional volleyball player Ogawa Tomohiro, a connection that was never formally confirmed by her.
She has not publicly disclosed any information about children. She continues to focus on her career while guarding her personal life from unnecessary public exposure.
Filmography
- Ox-Head Village (2022)
- Touch (2024)
- Tornado (2025)
- True Beauty: The Movie – Part 1 (2025)
- True Beauty: The Movie – Part 2 (2025)
- The Season (2026)
- Darwin’s Game (2027)
Net Worth
Kōki has an estimated net worth of around $2 million, built through her work as a model, songwriter, and actress.
Her primary income sources include lucrative brand ambassador deals with luxury houses such as Estée Lauder, Bulgari, and Chanel, along with modeling assignments, commercial endorsements, acting fees, and songwriting royalties.
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