All The Babes
Utsumi Kazuko
Also known as 下山和子, 内海和子, Kazuko Shimoyama
Career
Active 1985 – present
Biography
About Utsumi Kazuko
Utsumi Kazuko, born Shimoyama Kazuko, began her entertainment career in 1985 at age 18, first as a member of the idol group Onyanko Club. She later joined the second generation of All Nighters, and built a varied career across acting, gravure, and music. Over 41 years, she has worked as an actress, gravure idol, J-pop idol, singer, and race car driver.
Born in Tokyo, Japan, Kazuko is 5'5" with a slim build and natural measurements of 31-24-35. She has brown hair and brown eyes, and her career spans multiple entertainment and sporting fields. As a race car driver, she has competed professionally, a path less common for former idols. Today, she maintains an active presence on Instagram, where she shares moments with her 3,000 followers.
Record
Profile details
Personal
- Years Active
- 1985-present (started around 18 years old; 41 years active)
- Birthplace
- Tokyo, Japan
- Ethnicity
- Asian
Body
- Hair Color
- Brown
- Eye Color
- Brown
- Measurements
- 31–24–35 (B–W–H) · WHR 0.69
- Boobs
- Real/Natural
Extra
- Instagram Followers
- 3k (as of July 2026)
Frequently asked
Why is she known under two names, Utsumi and Shimoyama?
Her legal name is Kazuko Shimoyama, and Utsumi is her maiden name, which she used as her stage name.
How did she start her career so young?
She joined the idol group Onyanko Club in 1985 when she was 18, launching a career that now spans over four decades.
What makes her career uncommon among former idols?
She transitioned from pop idol work into professional racing, becoming a race car driver, a rare path for idols.
Did you know
- She has been active since 1985, the same year she joined Onyanko Club.
- Her measurements (31-24-35) give a waist-to-hip ratio of 0.69.
- She is a former member of both Onyanko Club and the second generation of All Nighters.
- Born in Tokyo, she later took on the surname Shimoyama.
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