[Final] Nippon Sangoku Episode 12 Story & Preview Cuts Released: The Battle Between Seii and Yamato Reaches Its Final Phase

The story and preview images for Episode12 of the TV anime Nippon Sangoku (JP: 日本三國) have been revealed. This episode will air on Sunday, june 21, 2026, at 9:00 PM (JST) with the world's fastest streaming available on Prime Video. It will subsequently be available on various other streaming platforms.

Episode 12 Story

Through a desperate and heartfelt persuasion, Aoteru has finally moved the Emperor to action. Yoshitsune also succeeds in delivering the imperial decree to Ryumon, taking up the rear to intercept the Seii forces.

Meanwhile, the Seii side plots to wipe out Yamato all at once using their "Operation Winter General."

As each side tries to outmaneuver the other, the war between the two nations reaches its final phase.

Introduction

In a near-future Japan, civilization has collapsed following a revolution triggered by nuclear war, natural disasters, and political corruption. The nation has been fractured into three territories, plunging the country into a "Three Kingdoms" era of warring states vying for supremacy.

Aoteru Misumi, a humble local official, sets his sights on the "Reunification of Japan." Armed with a wealth of knowledge and masterful oratory skills, he begins his steady ascent through the ranks of power.

The legend of the man who would later be hailed as a genius strategist begins now—!

Nippon Sangoku Characters List

Spring 2026 Anime list

Source : Nippon Sangoku Official