The anime will premiere on 3 October, 2026.
Ahead of its 3 October premiere, the upcoming historical fantasy anime “The Seven Knights of the Marronnier Kingdom” released a new trailer. The latest PV revealed new cast members, as well as details about the anime’s opening theme song.
The Seven Knights of the Marronnier Kingdom
Release window: October 2026
Animation studio: J.C. Staff
Global streaming service: TBA
What do we know about The Seven Knights of the Marronnier Kingdom anime so far?
The newly announced cast members of the series include:
- Miyuki Sakurai as Eleonora
- Natsumi Fujiwara as Princess Brunhild
- Takehito Koyasu as Elliot
- Kazuyuki Okitsu as Hugo
- Daisuke Namikawa as Peregrinus
- Hiroshi Tsuchida as King Lionel
- Maki Kawase as Anna-Marie
- Kyō Yaoya as Lavinia
The previously announced cast members of the anime include:
- Kengo Takanashi as Nemukunai (Insomniac)
- Makoto Tanikawa as Hakuai (Fraternity)
- Haruki Ishiya as Atsugariya (Feverish)
- Satoshi Inomata as Samugariya (Chilly)
- Kiyoto Mizuno as Kemono Tsukai (Beast-Tamer)
- Taishi Murata as Tsurugi Jiman (Swordsman)
- Reiji Kawashima as Harapeko (Hungry)
- Akeno Watanabe as Baribara
- Show Hayami as Narrator
The anime’s opening theme song is ‘Sayonara wa Iwanai’ performed by yama.
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’s 11th volume was shipped on 10 June, 2026.
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 (Insomniac), Hakuai (Fraternity), Atsugariya (Feverish), Samugariya (Chilly), Kemono Tsukai (Beast Tamer), Tsurugi Jiman (Swordsman), and Harapeko (Hungry). As they leave for these foreign lands, the brothers face new adventures and even find love.