The historical comedy anime will premiere on 3 October, with J.C.Staff handling animation production.
The upcoming television anime adaptation of Nao Iwamoto's Marronnier Oukoku no Shichinin no Kishi (The Seven Knights of the Marronnier Kingdom) has revealed its main cast, key visual, and first promotional video.
The anime is scheduled to premiere on 3 October, 2026 on NHK E-Tele. A global streaming schedule is yet to be confirmed.
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Premiere date: 3 October, 2026
Animation studio: J.C. Staff
Streaming platform: TBA
Who are the cast members of “The Seven Knights of the Marronnier Kingdom”?
The main cast includes:
- Kengo Takanashi as Nemukunai
- Makoto Tanikawa as Hakuai
- Haruki Ishiya as Atsugariya
- Satoshi Inomata as Samugariya
- Kiyoto Mizuno as Kemonotsukai
- Taishi Murata as Kenjiman
- Reiji Kawashima as Harapeko
- Akeno Watanabe as Baribara
- Show Hayami as the Narrator
Who is in the staff of “The Seven Knights of the Marronnier Kingdom”?
Kiyoko Sayama directs the anime at J.C. Staff, with Shinzō Fujita writing and overseeing the scripts. Yuriko Maeda designs the characters while Yoshiaki Fujisawa composes the music. Jin Aketagawa is the sound director of the project.
What is The Seven Knights of the Marronnier Kingdom about?
The original manga by Nao Iwamoto, titled Marronnier Ōkoku no Shichinin no Kishi, launched in Shogakukan’s josei magazine Flowers in September 2016. The manga has been collected in 10 volumes so far, with the 11th set for a June 2026 release.
The fantasy romance manga takes place in the kingdom of Marronnier, which is located at the centre of a group of eight kingdoms. The leader of Marronnier Baribara has seven sons, who are dispatched to the other seven kingdoms to find their fated partners. The brothers each have a distinct trait and are named: Nemukunai (Not Sleepy), Hakuai (Benevolent), Atsugariya (Sensitive to Heat), Samugariya (Sensitive to Cold), Kemono Tsukai (Beast Tamer), Tsurugi Jiman (Sword Pride), and Harapeko (Hungry). As they leave for these foreign lands, the brothers face new adventures and even find love.