The official website for the television anime of Nao Iwamoto 's Marronnier Ōkoku no Shichinin no Kishi ( The Seven Knights of the Marronnier Kingdom ) manga unveiled on Monday the anime's first promotional video, main visual, cast members, and October 3 premiere. Image via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesThe anime will star:Kengo Takanashi as Nemukunai (Insomniac), the eldest of the seven brothersImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesMakoto Tanikawa as Hakuai (Fraternity), the second of the seven brothersImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesHaruki Ishiya as Atsugariya (Feverish), the third of the seven brothersImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesSatoshi Inomata as Samugariya (Chilly), the fourth of the seven brothersImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesKiyoto Mizuno as Kemono Tsukai (Beast-Tamer), the fifth of the seven brothers and one of the tripletsImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesTaishi Murata as Tsurugi Jiman (Swordsman), the sixth of the seven brothers and one of the tripletsImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesReiji Kawashima as Harapeko (Hungry), the seventh of the brothers and one of the tripletsImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesAkeno Watanabe as Baribara, the tenth general of the Marronnier kingdom and mother of the seven brothersImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesShow Hayami as NarratorImage via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesThe anime will premeire on October 3 on the NHK Educational channel at 6:25 p.m. JST (5:25 a.m. EDT). Image via The Seven Knights of the Marronnier Kingdom anime's website ©岩本ナオ／小学館／NHK・NEP・Amazon Content Services LLC or its AffiliatesThe fantasy romance manga centers on seven brothers who are knights of the Marronnier Kingdom. Shinzō Fujita ( To Your Eternity seasons 1-3, The World Is Still Beautiful ) is both writing and overseeing the series scripts. Iwamoto's Kingdom of Gold, Kingdom of Water manga inspired the Gold Kingdom and Water Kingdom anime film that opened in January 2023.