Kiyoko Sayama directs the anime at studio J.C. Staff.
Japanese television company NHK announced on 1 June that Nao Iwamoto’s manga series “The Seven Knights of the Marronnier Kingdom” is getting an anime adaptation. The show will debut on NHK Educational in October 2026. The new official website and X (formerly Twitter) account of the anime released a new key visual and a short teaser as well. The main staff members of the project have also been revealed.
The Seven Knights of the Marronnier Kingdom
Release window: October 2026
Animation studio: J.C. Staff
Global streaming service: yet to be announced
Who are the staff members working on the The Seven Knights of the Marronnier Kingdom anime?
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.
No cast members have been revealed as of yet.
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.