# Zichuan
*Also known as: Purple River / 紫川*

## Facts
- Format: ONA
- Status: concluded
- Year: 2021

## Renewal Score
**Zichuan** has a **72% renewal probability** on Courcast as of 2026-07-28.

## Synopsis
Two hundred years ago, on the Battlefield of the Blue River, the last remaining army of the Empire of Light collapsed in the midst of demonic outcries. As the last Field Marshal and Emperor fell, the chaotic world of the Western River no longer had a common ruler. Factions were formed and endless conflicts ensued, military might became the only currency of survival, and the dream to reunite the lands became the sole goal of many rulers in the generations that came after.
In the south-eastern par

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0-100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/zichuan-2021
- API: https://courcast.com/api/public/titles/zichuan-2021
- About Courcast: https://courcast.com/about

*Last updated: 2026-07-28*