Nippon Sangoku (The Three Nations of the Crimson Sun) is a post-apocalyptic political drama by Ikka Matsuki

Aoteru aims to reunify Japan and end the cycle of endless war. He believes that only a unified nation can survive the harsh post-apocalyptic environment.

Nippon Sangoku is a highly acclaimed seinen manga that depicts a dystopian, post-apocalyptic Japan divided into three warring nations, focusing on political strategy and eloquence rather than physical combat [8, 12]. The story follows Aoteru Misumi, a strategist aiming to reunite the country, with the series having received an anime adaptation that premiered in April 2026 [6, 12].

The series is published on Shogakukan's Ura Sunday website and the MangaONE app.

If you are a pencil artist tired of slippery "plate finish" papers, a calligrapher seeking genuine nijimi (bleed), or a printmaker needing a soft, resilient sheet for woodblock printing, the search is over.

At the end of the Reiwa era, global nuclear war, a deadly virus, and devastating natural disasters triggered the collapse of the Japanese government. The population has shrunk to just one-tenth of its pre-war size, and the country has fractured into three warring nations competing for hegemony: : Located in the west, ruled by the corrupt Taira clan. : Located in the east. : Located in the north. The narrative begins in a rural area of Yamato, following Aoteru Misumi

The world has regressed technologically to a level resembling the early 20th century, despite the story being set in the 22nd century. The three major powers vying for control over the archipelago are: Located in the central region (Kanto/Kansai). The Northern Kingdom: Occupying the northern territories.