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Prime Video will distribute the anime Seven Knights of the Marronnier Kingdom worldwide exclusively on its platform. Streaming begins October 4 at midnight Japan time, with new episodes every Sunday. A new PV reveals the opening theme Sayonara wa Iwanai by yama and showcases the voices of the seven brothers.
Nao Iwamoto's manga "The Seven Knights of the Marronnier Kingdom" will be adapted into a TV anime that airs on NHK E-Tele starting October 2026. The announcement was made on June 1 alongside a teaser visual and a special video. The manga has been serialized in Shogakukan's Monthly Flowers since 2016 and has ten volumes released as of June 1. It ranked first in the women's category of Kono Manga ga Sugoi! 2018. The story follows seven brothers who serve as knights and are dispatched as ambassadors to seven different countries from the Marronnier Kingdom, a nation at the center of eight countries. The anime marks the tenth anniversary of the manga's serialization. Seiko Sayama, director of To Your Eternity, is directing the series. Shinzo Fujita handles series composition and script, Yuriko Maeda designs the characters, and J.C.STAFF produces the animation. The teaser visual shows the seven brothers walking on a grassland with marronnier flowers. A special announcement video will be released on the anime's official website.