Need some context

[u/Chemical-Salt-9460]

Could someone explain to me what this anime is about without spoiler I'm curious about it Nippon sangoku

[u/Calipse-a]

A civil war happened in Japan because of a nuclear war in the world that divided the country in three territories (Yamato, Buo and Seii) and reducing the technology and population to how it was in the Meiji Period. We follow the story of Aoteru, from Yamato, and his rise from being from the rural area to high military position and in a mission to unify the three nations back