# Black Jack 21
*Also known as: ブラック・ジャック21*

## Facts
- Format: TV
- Status: concluded
- Year: 2006
- Season: SPRING

## Renewal Score
**Black Jack 21** has a **40% renewal probability** on Courcast (confidence: 88%) as of 2026-06-03.

## Synopsis
No direct-relation sequel to original Black Jack. Black Jack attempts to find out the conspiracy, of why he was involved in the bombfield accident that killed his mother, while he uncovers secrets of Organization and Project "Noir", which, his father and other famous doctors were involved in...

## 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/black-jack-21-spring-2006
- API: https://courcast.com/api/public/titles/black-jack-21-spring-2006
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*