Career
Active 2005 – present
Biography
About Koharu Kusumi
Koharu Kusumi, born July 15, 1992 in Niigata, Japan, became the only seventh generation member of the idol group Morning Musume in 2005, at around age 12. Her tenure with Hello! Project launched a career that spans over two decades. Now 34, she works as an actress, gravure idol, model, and musician.
Japanese by nationality and Asian by ethnicity, Koharu stands 5'5" (165 cm). Her discography and on-screen roles reflect a versatility uncommon among former J-pop idols. With an Instagram following of 113k, she remains a recognized figure in Japanese entertainment. Her journey from a teen idol to a multifaceted performer illustrates a rare longevity in an industry known for rapid turnover. Koharu's ongoing activity since 2005 marks 21 years in the public eye.
Record
Profile details
Personal
- Years Active
- 2005-present (started around 12 years old; 21 years active)
- Birthplace
- Niigata, Japan
- Ethnicity
- Asian
Extra
- Instagram Followers
- 113k (as of July 2026)
Frequently asked
How did Koharu Kusumi first become famous?
She joined Morning Musume in 2005 as its only seventh generation member, gaining instant recognition in the J-pop scene.
What is Koharu's height?
She is 5'5" (165 cm) tall.
In which fields does Koharu work?
She is active as an actress, gravure idol, model, and musician.
Did you know
- Koharu was the only member added to Morning Musume in the group's seventh generation.
- Born in 1992, she began her entertainment career at around age 12 in 2005.
- She has been in the industry for 21 years, from 2005 to the present.
- Koharu's Instagram following totals 113k.
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