Back

Chiwa Saitō

Voice Actor

Chiwa Saitō is a Japanese voice actor who appears in the Demon Slayer: Kimetsu no Yaiba anime, produced by the studio Ufotable. In the series she voices Koinatsu, a celebrated courtesan of the Yoshiwara entertainment district.

Role: Voice Actor
Nationality: Japanese
Years Active: 1999-present
Text Size

Demon Slayer Role

Saitō performs the Japanese voice of Koinatsu in Demon Slayer: Kimetsu no Yaiba. Koinatsu is the leading oiran of the Tokito House and the most renowned courtesan in the Yoshiwara entertainment district. Gracious yet keenly observant, she strikes up a friendship with Suma, one of the wives of the Sound Hashira Tengen Uzui, and later finds herself targeted by the demon concealed within the district. The role places Saitō among the supporting cast of the Ufotable adaptation.

Share this resource

Frequently Asked Questions

Who does Chiwa Saitō voice in Demon Slayer?

Chiwa Saitō performs the Japanese voice of Koinatsu in Demon Slayer: Kimetsu no Yaiba, the series produced by the studio Ufotable.

Who is Koinatsu in Demon Slayer?

Koinatsu is the leading oiran of the Tokito House and the most renowned courtesan in the Yoshiwara entertainment district. She is voiced in the Ufotable adaptation by Chiwa Saitō.

How is Koinatsu connected to the Entertainment District story?

Koinatsu strikes up a friendship with Suma, one of the wives of the Sound Hashira Tengen Uzui, and later finds herself targeted by the demon concealed within the district.

Is Chiwa Saitō a Japanese voice actor?

Yes, Chiwa Saitō is a Japanese voice actor who appears in the Demon Slayer: Kimetsu no Yaiba anime as Koinatsu.

What kind of character is Koinatsu in Demon Slayer?

Koinatsu is portrayed as gracious yet keenly observant, a celebrated courtesan of the Yoshiwara entertainment district whom Chiwa Saitō voices among the supporting cast of the Ufotable series.

Sources & Information

This content is original writing by Daddy Jim Anime based on the Demon Slayer 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 Anime, 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 ufotable and Aniplex.
  • Game pages: official box art, credited to Sega, Aniplex, and other publishers.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Koyoharu Gotouge.
  • Licensed imagery: Photographs of real people, including creators, voice actors and production staff, are used under licence from the rights holder or the applicable stock provider, or under the terms of a public licence permitting editorial use. Each such image is reproduced in its licensed form and remains the property of its owner.
  • Exceptions: Limited exceptions to the practices described above may apply to individual entries. Where an exception applies, it is noted on the entry itself alongside the applicable attribution. Rights holders may contact us regarding any attribution and it will be reviewed promptly.

Help Us Keep This Wiki Accurate

Daddy Jim Anime maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.