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NIPPON SANGOKU: The Three Nations of the Crimson Sun S1E4 — The Seii Coup

8.4

NIPPON SANGOKU: The Three Nations of the Crimson Sun•Season 1•Episode 4

The Seii Coup

8.4/10 · 714 votesApr 26, 202626 min

Ranked #9 of 12 in Season 1•−0.3 vs season avg

Three 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,

Previous episodeE3 · Imperial Council Next episodeE5 · The Borderland General Corps Marches Out

Seasons2

Season 1 Episodes12

An Oath for Peace still

An Oath for Peace

Toryumon still

Toryumon

Imperial Council still

Imperial Council

The Seii Coup still

E4 8.4Now viewing

The Seii Coup

The Borderland General Corps Marches Out still

The Borderland General Corps Marches Out

Eve of War still

Eve of War

The Kanazawa Night Raid still

The Kanazawa Night Raid

Dragon vs. Tiger still

Dragon vs. Tiger

Tears for Yayakichi still

Tears for Yayakichi

Reunion of Mortal Enemies still

Reunion of Mortal Enemies

Lie on Firewood and Council the Heavens still

Lie on Firewood and Council the Heavens

The Fall of Seii still

The Fall of Seii

Cast13

Kensho Ono

Kensho Ono

Aoteru Misumi (voice)

Jun Fukuyama

Jun Fukuyama

Asama Yoshitune (voice)

Takashi Nagasako

Takashi Nagasako

Denki Taira (voice)

Asami Seto

Asami Seto

Saki Higashimachi (voice)

Megumi Han

Megumi Han

Narrator (voice)

Kazuhiro Yamaji

Kazuhiro Yamaji

Mitsuhide Ryūmon (voice)

Yuichi Nakamura

Yuichi Nakamura

Yasuaki Kaku (voice)

Taihi Kimura

Taihi Kimura

Fuji III (voice)

Minami Tsuda

Minami Tsuda

Ōga Wajima (voice)

Kenyu Horiuchi

Kenyu Horiuchi

Yayakichi Hei (voice)

Shuichiro Umeda

Shuichiro Umeda

Nagao Muuton (voice)

Shunsuke Sakuya

Shunsuke Sakuya

Akii Kura (voice)

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Episode Summary

"The Seii Coup" is episode 4 of NIPPON SANGOKU: The Three Nations of the Crimson Sun season 1. It scored 8.4/10 from 714 votes, ranking #9 of 12 episodes this season (season average 8.7). It aired on April 26, 2026.

Next: E5 · The Borderland General Corps Marches Out Best of Season 1