is a Japanese manga series written and illustrated by Ikka Matsuki. It began serialization on Shogakukan's Ura Sunday website and MangaONE app in November 2021. An anime television series adaptation produced by aired from April to June 2026. A sequel has been announced.
Plot At the end of the Reiwa era, Japan was hit by the effects of nuclear war around the world, resulting in an influx of refugees followed by a deadly virus and a devastating earthquake. During this time, the country was mismanaged, with those in power levying heavy taxes, causing famine. Eventually, the people began a revolt that overthrew the national government, but the population was reduced to a tenth of its pre-war size, with the technology reduced to that of the Meiji era, and the country divided into three kingdoms: Yamato, Buo, and Seii. One hundred years later, a man named Aoteru Misumi leads a movement to reunify the country.
Characters Main characters
Aoteru is a cautious, attentive and by-the-book Yamato citizen from the country, who aims to change his country for the better.
Yoshitsune is an egocentric and clever swordsman of the prestigious Asama clan, who aims for a high position to lead the government.
Yamato
Denki is Yamato's megalomaniac Prime Minister of Home Affairs with a penchant for swift executions.
Ryumon is the diligent and dependable General of the Borderland Army.
Kaku is Mitsuhide's genius right-hand man and tactician.
The cowardly figurehead ruler of Yamato and Denki's son-in-law.
Sugo is the Borderland General's Right Vice-General, a patient man of few words.
Nagamine is the Borderland General's Left Vice-General, a cutthroat man of action.
Denki's precocious and petulant youngest son, who is given command of the Fukui forces.
Tamaki is the Assistant Librarian of Yamato and Tonotsugu's tutor.
Sato is the dependable commander of Kuzuryu Castle.
Hiraizumi is the fiercely loyal assistant to the commander of Kuzuryu Castle.
Moriyama is the Archivist Director of the Borderland Forces who is charmed by Ohga.
Aoteru's righteous and no-nonsense wife.
Denki's cheerful daughter and later Yoshitsune's wife.
Seii
Ohga is the new Supreme Commander of Seii, who took power through a coup, to avenge her father Byakko, a previous Seii Supreme Commander that was killed in conflict with Yamato.
Yayakichi is the senior strategist of Seii, who raised Ohga alongside his children and supports her in the war with Yamato.
Kura is a battle-hungry soldier and Seii's Military Affairs Supervisor.
Muuton is a young soldier seeking for Ohga's affection and Seii's Negotiation Supervisor.
Yasuke is Yayakichi's younger son who follows in his footsteps as shrewd strategist.
Daisuke is Yayakichi's older passionate, but dim son and 2nd Division Commander.
Jien is the 1st Division Commander of the Seii army.
Azami is the 8th president of Seii, who took power after the loss of Byakko Wajima.
Buo
Hojo is the elderly, but jovial and exploitative leader of Buo, who speaks with early Reiwa-era phrases.
Musashikami is the elderly, but still capable strategist of Buo, who mostly whispers or mumbles and an interpreter speaks for him.
Okimi is a clever young descendant of the pre-Sangoku era royalty and distant relative of Fuji III, who fled to Buo.
Media Manga Written and illustrated by Ikka Matsuki, Nippon Sangoku began serialization on Shogakukan's Ura Sunday website and MangaONE app on November 24, 2021. Its chapters have been compiled into seven volumes as of April 2026.
On June 1, 2026, Matsuki announced the manga was going on hiatus due to him recovering from steroid withdrawal syndrome.
Anime An anime television series adaptation was announced on January 27, 2026. The series was produced by , co-produced with Amazon MGM Studios, and directed by Kazuaki Terasawa, with handling series composition, Takahiko Abiru designing the characters and serving as chief animation director, and Kevin Penkin composing the music. Megumi Han provided the narration. It aired from April 7 to June 23, 2026, on Tokyo MX and BS NTV. The opening theme song is , performed by Tatsuya Kitani, and the ending theme song is , performed by Leina. Amazon Prime Video began streaming the series worldwide on April 5, two days before the scheduled broadcast on Japanese linear television.
A sequel was announced on September 3, 2026.
Episodes
Reception The series was nominated for the eighth Next Manga Awards in 2022 in the web category and was ranked 17th out of 50 nominees. It was also nominated for the ninth edition in 2023. The series was ranked 12th, alongside Fool Night and Kujima: Why Sing, When You Can Warble?, in the 2023 edition of Takarajimasha's Kono Manga ga Sugoi! guidebook for the best manga for male readers. The series was nominated for the 16th Manga Taishō and was ranked fifth alongside A Witch's Life in Mongol. The series ranked third in the Nationwide Publishers Recommended Comics of 2023 list. The series was ranked 22nd in Da Vincis "Book of the Year" list in 2023.
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