The long-awaited television adaptation of Nao Iwamoto's acclaimed manga Marronnier Kingdom no Shichinin no Kishi (The Seven Knights of the Marronnier Kingdom) has confirmed its official broadcast and streaming schedule. Produced by J.C.STAFF under the direction of Seiko Sayama, the fantasy series is set to begin airing on October 3, 2026, across NHK E Tele.
For international and domestic viewers looking to follow the grand journey online, Amazon Prime Video has secured the exclusive worldwide streaming rights. Episodes will drop weekly starting October 4, 2026, at 12:00 AM JST, immediately following their television broadcast. The series adapts Iwamoto's celebrated josei fantasy work, which secured the top spot in the female readership category of the Kono Manga ga Sugoi! 2018 guidebook.
Production Pedigree & Cast
The story follows the seven distinct sons of the formidable general Baribara, each endowed with unique traits such as being perpetually awake, perpetually hungry, or sensitive to temperature. Tasked with acting as ambassadors across seven disparate realms, the brothers embark on a sweeping odyssey filled with political intrigue and fated encounters. J.C.STAFF handles the animation production, backed by series composition from Shinzo Fujita and character designs by Yuriko Maeda.
The voice cast features Kengo Takanashi as 'Not Sleepy', Makoto Tanikawa as 'Philanthropy', and Haruki Ishiya as 'Hot-Headed', alongside veteran voice talent rounding out the royal courts and neighboring kingdoms. With an expected run of 20 episodes, the adaptation brings a decade of serialization in Shogakukan's Monthly Flowers into vibrant motion.
