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The Seven Knights of the Marronnier Kingdom

The television anime of Nao Iwamoto's The Seven Knights of the Marronnier Kingdom premieres October 3 on NHK Educational. A second trailer has confirmed the opening theme and five additional cast members.

Synthesized from 2 Yomimono stories · updated 1d ago

The television adaptation of Nao Iwamoto's The Seven Knights of the Marronnier Kingdom is set for an October 3 premiere on NHK Educational. The first promotional video and main visual arrived with the announcement, along with the voice cast for the seven knight brothers: Kengo Takanashi, Makoto Tanikawa, Haruki Ishiya, Satoshi Inomata, Kiyoto Mizuno, Taishi Murata, and Reiji Kawashima. Kiyoko Sayama directs at J.C. Staff.

A second trailer followed, and with it five more cast members: Miyuki Sakurai, Natsumi Fujiwara, Takehito Koyasu, Kazuyuki Okitsu, and Daisuke Namikawa. The same round of news named the opening song, "Sayonara wa Iwanai" by yama.

Across both stories the production has moved from a premiere date and full brother roster to a broader cast and a confirmed theme song. The network, the premiere date, the director, and the studio have stayed consistent in the coverage.

Key facts

Premiere date and network
October 3 on NHK Educational ↗
Director
Kiyoko Sayama ↗
Studio
J.C. Staff ↗
Source material
Nao Iwamoto's manga ↗
Seven brothers cast
Kengo Takanashi, Makoto Tanikawa, Haruki Ishiya, Satoshi Inomata, Kiyoto Mizuno, Taishi Murata, and Reiji Kawashima ↗
Opening song
"Sayonara wa Iwanai" by yama ↗
Additional cast
Miyuki Sakurai, Natsumi Fujiwara, Takehito Koyasu, Kazuyuki Okitsu, and Daisuke Namikawa ↗

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

Release
manga · 2016 · Japan · 2026-10-04
Release
manga · June 10 · Japan · 2026-10-04
Release
tv · October 3 · Japan · 2026-10-04
Release
tv · October 3 · NHK Educational · 2026-09-07
Release
tv · 2026-10-03 · JP · 2026-08-10
Licensed by
viz-media (English) · 2026-10-04
Announced
first promotional video, main visual, cast, and premiere date · 2026-08-10

Connections

Music by
yama
Produces of
viz media
Writes of
nao iwamoto

Structured graph also available as JSON at /public/entities/the-seven-knights-of-the-marronnier-kingdom. CC BY 4.0.

Claim activity

When a claim about The Seven Knights of the Marronnier Kingdom was confirmed, debunked, or disputed against open-web sources. The record stays even after a claim drops off the facts list.

  • Confirmed tv October 3 Japan 1d ago · source
  • Confirmed VIZ Media produces The Seven Knights of the Marronnier Kingdom 1d ago · source
  • Confirmed tv 2026-10-03 JP Sep 6 · source

All coverage

1d ago

Viz Media Licenses The Seven Knights of the Marronnier Kingdom Manga

Viz Media announced on Thursday that it is publishing Nao Iwamoto's The Seven Knights of the Marronnier Kingdom manga in English. The company uploaded the first two chapters digitally the same day. The fantasy romance centers on seven brothers who are knights of the Marronnier Kingdom. The kingdom sits at the center of eight kingdoms, and each brother is dispatched to a different one as an ambassador on a quest to find his fated partner. The manga launched in Shogakukan's Flowers magazine in 2016, and Shogakukan shipped the 11th compiled volume on June 10. It topped the list of manga for female readers in the 2018 edition of Takarajimasha's Kono Manga ga Sugoi! guidebook. A television anime adaptation debuted on October 3 on the NHK Educational channel at 6:25 p.m. JST, and Amazon Prime Video added the series on the same day with English subtitles and an English dub.

Sep 7

Seven Knights of the Marronnier Kingdom Anime Adds Cast, Opening Song

The television anime of Nao Iwamoto's The Seven Knights of the Marronnier Kingdom manga has revealed a second trailer, new cast members, and its opening theme. Miyuki Sakurai, Natsumi Fujiwara, Takehito Koyasu, Kazuyuki Okitsu, and Daisuke Namikawa join the cast, and yama performs the opening song "Sayonara wa Iwanai." The anime premieres on October 3.

Aug 10

Seven Knights of the Marronnier Kingdom Anime Casts Seven Brothers, Premieres October 3

The television anime of Nao Iwamoto's Marronnier Okoku no Shichinin no Kishi manga revealed its first promotional video, main visual, cast, and October 3 premiere on NHK Educational. Kengo Takanashi, Makoto Tanikawa, Haruki Ishiya, Satoshi Inomata, Kiyoto Mizuno, Taishi Murata, and Reiji Kawashima voice the seven knight brothers. Kiyoko Sayama directs at J.C. Staff.