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Nana Mizuki

Nana Mizuki is voice actor and theme performer on two fall 2026 television anime. She voices EDVA in Vertex Force and Yggdrasil in The World's Strongest Witch, and performs Red River part two's opening theme while voicing Ursula.

Synthesized from 4 Yomimono stories · updated Oct 6

Nana Mizuki's fall 2026 is spread across three productions: she sings and acts on two of them and acts on the third. Her earliest confirmed credit in this run is Red River, where she performs the second cours opening theme "Akatsuki no Hoshi" and voices Ursula, a false goddess impersonating Ishtar. Those details were announced with the theme artists for the second cours, and the full promotional video and main visual for part two later previewed the same song.

Vertex Force followed with a different role and no theme credit. The original anime announced Kazuki Ura as Alan and Mizuki as EDVA in its second promotional video, alongside opening and ending themes by ClariS and Hashimero. The show debuts October 3 at 11:30 p.m. on Tokyo MX, BS11, Gunma TV, and Tochigi TV, and streams on U-NEXT and other services in Japan.

The most recent credit puts her on the premiere date of The World's Strongest Witch. The anime's website announced she voices Yggdrasil, the spirit of the World Tree, and that the character appears in the first episode on October 7. Azusa Tachibana leads the cast as Rona Hermit, with Jōji Furuta directing at Bridge and Aisle.

Across the three titles, only Red River pairs her singing with a role. Vertex Force and The World's Strongest Witch keep her in the cast list, and on the latter her character is named for the first episode rather than for a later arc.

Key facts

Role in The World's Strongest Witch
Voices Yggdrasil, the spirit of the World Tree, a character who appears in the first episode on October 7 ↗
The World's Strongest Witch staff
Jōji Furuta directs at Bridge and Aisle; Azusa Tachibana leads as Rona Hermit ↗
Red River part two theme
Performs the opening theme "Akatsuki no Hoshi," previewed in the full promotional video for the second part ↗
Red River role
Voices Ursula, a false goddess impersonating Ishtar ↗
Red River broadcast
Premiered in NTV's AnichU block on July 7 at 25:35, effectively July 8 at 1:35 a.m.; streams on Crunchyroll ↗
Vertex Force role
Voices EDVA, announced in the second promotional video alongside Kazuki Ura as Alan ↗
Vertex Force debut
Premieres October 3 at 11:30 p.m. on Tokyo MX, BS11, Gunma TV, and Tochigi TV; streams on U-NEXT and other services in Japan ↗

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Facts

Announced
will voice Yggdrasil, the spirit of the World Tree · 2026-10-04
Announced
performs the new opening theme "Akatsuki no Hoshi" · 2026-10-04

Connections

Music by of
red river

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Claim activity

When a claim about Nana Mizuki was confirmed, debunked, or disputed against open-web sources. The record stays even after a claim drops off the facts list.

  • Confirmed will voice Yggdrasil, the spirit of the World Tree Oct 4 · source
  • Confirmed Nana Mizuki voices The World's Strongest Witch Oct 4 · source
  • Confirmed performs the new opening theme "Akatsuki no Hoshi" Oct 4 · source
  • Confirmed Nana Mizuki voices Red River Sep 10 · source

All coverage

Oct 4

Nana Mizuki Joins The World's Strongest Witch as World Tree Spirit

The anime's official website announced on Wednesday that Nana Mizuki will voice Yggdrasil, the spirit of the World Tree, and that the character appears in the first episode on October 7. Azusa Tachibana leads the cast as Rona Hermit, with Fairouz Ai, Honoka Inoue, Kana Hanazawa, Maria Naganawa, and Yuto Uemura also named. Jōji Furuta directs at Bridge and Aisle.

Oct 4

Red River Anime Posts Full Video For Second Part

The official website for the Red River television anime posted the full promotional video and main visual for the show's second part on Friday. The video previews the new opening theme "Akatsuki no Hoshi" by Nana Mizuki, who also voices Ursula in the cast. Ryu Matsuyama performs the new ending theme. The anime premiered in July on NTV and BS NTV, with Crunchyroll streaming it.

Sep 12

Vertex Force Adds Kazuki Ura and Nana Mizuki, Sets ClariS and Hashimero Themes

Vertex Force, an original anime directed by Kazuhiro Takamura, revealed a second promotional video and its theme song artists. ClariS performs the opening theme "Synchro Blue" and Hashimero performs the ending theme "Emerald." Two cast additions were announced: Kazuki Ura as Alan and Nana Mizuki as EDVA. The anime debuts October 3 at 11:30 p.m. on Tokyo MX, BS11, Gunma TV, and Tochigi TV, and streams on U-NEXT and other services in Japan.

Sep 1

Red River Anime Reveals Second Cours Theme Songs and Nana Mizuki as Ursula

The Red River anime revealed the theme song artists and a new cast member for its second cours. Nana Mizuki performs the new opening theme "Akatsuki no Hoshi" and voices Ursula, a false goddess impersonating Ishtar. Ryu Matsuyama performs the new ending theme "flow feat. Yūko Andō." The anime premiered in NTV's AnichU block on July 7 at 25:35, effectively July 8 at 1:35 a.m., and streams on Crunchyroll as it airs in Japan.