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Yūko Kobayashi

Voice Actor

Yūko Kobayashi is a Tokyo-born Japanese actress and narrator affiliated with 81 Produce, and she voices Kyuin in the One Piece anime, produced by Toei Animation.

Agency: 81 Produce
Role: Voice Actor
Nationality: Japanese
Years Active: 1982-present
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One Piece Role

In the One Piece anime, Yūko Kobayashi voices Kyuin, a supporting character within the series' expansive cast. The role adds to her long list of Japanese animation and narration credits built over more than four decades in the industry.

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Career and Notable Roles

Outside of anime work, Kobayashi has spent her career as a stage actress and as a narrator for Japanese television productions. She has been represented by the talent agency 81 Produce for many years and is married to fellow voice actor Mitsuaki Hoshino.

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Frequently Asked Questions

Who does Yūko Kobayashi voice in One Piece?

In the One Piece anime, Yūko Kobayashi voices Kyuin, a supporting character within the series' expansive cast. The role adds to her long list of Japanese animation and narration credits built over more than four decades in the industry.

Where is Yūko Kobayashi from?

Yūko Kobayashi was born in Tokyo in 1961. She has spent decades in the entertainment industry as an actress, voice actress, and narrator.

What other work has Yūko Kobayashi done besides voice acting?

Outside of anime work, Kobayashi has spent her career as a stage actress and as a narrator for Japanese television productions. This range reflects a career built since her 1982 debut across multiple performance disciplines.

Who is Yūko Kobayashi married to?

Kobayashi is married to fellow voice actor Mitsuaki Hoshino. Both have built long careers within the Japanese voice-acting industry.

What talent agency represents Yūko Kobayashi?

Kobayashi has been represented by the talent agency 81 Produce for many years. This affiliation has anchored her work across anime, narration, and stage performance since her 1982 debut.

Sources & Information

This content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.

Rights holders

All rights belong to their respective owners.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to Toei Animation and Toei Company.
  • Game pages: official box art for the One Piece console and mobile games, credited to Bandai Namco.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Eiichiro Oda.

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