Yumiko Seki
Also known as: 関有美子 
Yumiko Seki alias list
関有美子 - Different alphabet (Japanese)
Yumiko Seki Biography
Personal
Years active: 2020-present (6 years active)
Nationality: (Japanese)
Ethnicity: Asian
Professions: Musician: J-pop Idol (former)
Body
Height: 5'6" (or 167 cm)
Body type: Slim
Extra
Instagram follower count: 124k (as of March 2026)
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