Kensho Ono
Aoteru Misumi (voice)
Series
Watch NIPPON SANGOKU: The Three Nations of the Crimson Sun (2026) Online
Synopsis
A revolution sparked by nuclear war, natural disaster, and misrule leads to the collapse of Japanese society. The country splits into three nations vying for hegemony, and the Sangoku era begins. Aoteru Misumi, a former agricultural officer, vows to reunify Japan. He rises through the ranks with only his knowledge and eloquence. Witness the legend of the man later hailed as a genius strategist.
Episodes
Season 1
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1. An Oath for PeaceNow viewing2026-04-0526m7.1Aoteru Misumi is a young man living in the countryside of Ehime, Yamato. Working as an agricultural officer, he lives a quiet life with his wife, Saki. One day, they are visited by a horseback procession fit for a king. The most extravagant horse-drawn carriage in this procession carries none other than Denki Taira, the lord of home affairs and true ruler of Yamato.
2. Toryumon2026-04-1226m7.3Having lost the love of his life, Aoteru is determined to fulfill the promise he made to her of creating a peaceful world. He travels to Osaka to take the exam given by Borderland General Mitsuhide Ryumon in the hopes of serving under him. Upon arriving, he finds a cheap hotel to stay in. But Aoteru will find no rest there, as he immediately encounters a certain individual.
3. Imperial Council2026-04-1926m7.7Aoteru and Yoshitsune Asama take the Toryumon, an employment exam required to work under Ryumon. The conditions for passing are simple: the examinees must bring him to his knees. It seems that knowledge of the art of war alone will not be enough. They will also need their resourcefulness to get through this trial.
4. The Seii Coup2026-04-2626m7.0Three years after passing the Toryumon, Aoteru is working hard under Ryumon to perform his duties to their fullest. Meanwhile, Yamato sends a demand for unconditional surrender to the neighboring nation of Seii, which has been unstable due to the harsh winter conditions. In Seii, the embers of rebellion are quietly stoked.
5. The Borderland General Corps Marches Out2026-05-0326m7.5A new dictatorship comes to power in Seii when Ohga Wajima suggests subduing Yamato by force. She establishes her administration overnight, declaring her resolve across the land. Ohga quickly captures the hearts of her people with her charm and political prowess, and within Seii, momentum grows to launch a campaign against Yamato.
6. Eve of War2026-05-1026m7.8Tonotsugu Taira, Denki Taira's heir, is ordered by Fuji III, the emperor of Yamato, to go to Kanazawa with the Borderland General Corps' Right Lieutenant General, Goh Sugoh. While Tonotsugu is optimistic about this opportunity, Sugoh harbors concerns that it is a trap set by Seii.
7. The Kanazawa Night Raid2026-05-1726m7.8When Seii invades Kuzuryu Castle, tensions between Seii and Yamato come to a head. Sensing something strange about the situation, the Yamato army led by Ryumon decide to halt their advance. Meanwhile, having gone ahead, Tonotsugu's men enter Seii without knowing that war has broken out, and are given a warm welcome by Muuton Nagao.
8. Dragon vs. Tiger2026-05-2426m8.0Muuton's night raid on Kanazawa ended in failure, but the main forces of the Seii army continue their advance on the Borderland General Corps. The decisive battle between Ohga and Ryumon draws near.
9. Tears for Yayakichi2026-05-3126m7.8The decisive clash between Ohga and Ryumon ends in Ryumon's victory, secured through the "Empty Fort Stratagem," leaving Ohga's loss of authority plain for all to see. With her prestige in ruins, Ohga turns to the counsel of her trusted strategist, Yayakichi Hei.
10. Reunion of Mortal Enemies2026-06-0726m7.8Thanks to Yayakichi's strategy, Ohga restores her authority and rises once more. Though the Yamato forces are pushed to the brink, Ryumon and his strategist, Kaku, have already entrusted a bold plan to a young man to break this dire stalemate.
11. Lie on Firewood and Council the Heavens2026-06-1424m7.8Aoteru finally reunites with Denki Taira, but his eyes are fixed on something else entirely. As Aoteru reveals the true meaning behind his call to retreat, Denki stands firmly opposed. In the end, all decisions are placed in the emperor's hands.
12. The Fall of Seii2026-06-2124m7.8Through a heartfelt plea, Aoteru finally persuades the emperor. Yoshitsune delivers an imperial decree to Ryumon, who prepares to face the Seii forces. Meanwhile, Seii schemes to annihilate Yamato with its "Winter General Strategy." As both sides act, the conflict between the two nations reaches its climax.
Cast
Top Billed Cast
Jun Fukuyama
Asama Yoshitune (voice)
Takashi Nagasako
Denki Taira (voice)
Asami Seto
Saki Higashimachi (voice)
Megumi Han
Narrator (voice)
Kazuhiro Yamaji
Mitsuhide Ryūmon (voice)
Yuichi Nakamura
Yasuaki Kaku (voice)
Taihi Kimura
Fuji III (voice)
Minami Tsuda
Ōga Wajima (voice)
Kenyu Horiuchi
Yayakichi Hei (voice)
Shuichiro Umeda
Nagao Muuton (voice)
Shunsuke Sakuya
Akii Kura (voice)
Ayumu Murase
Tonotsugu Taira (voice)
Availability
Where To Watch Legally
Amazon Prime Video
Amazon Prime Video with AdsStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is NIPPON SANGOKU: The Three Nations of the Crimson Sun available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does NIPPON SANGOKU: The Three Nations of the Crimson Sun have?
NIPPON SANGOKU: The Three Nations of the Crimson Sun has 1 season and 12 episodes.
When did NIPPON SANGOKU: The Three Nations of the Crimson Sun first air?
NIPPON SANGOKU: The Three Nations of the Crimson Sun first aired in 2026.
Is NIPPON SANGOKU: The Three Nations of the Crimson Sun still running?
Yes, NIPPON SANGOKU: The Three Nations of the Crimson Sun is an ongoing series.
What genre is NIPPON SANGOKU: The Three Nations of the Crimson Sun?
NIPPON SANGOKU: The Three Nations of the Crimson Sun is classified as Animation, Drama, War & Politics.