Ninku
In short
Ninku is a Japanese manga series created by Kōji Kiriyama that follows warriors in a post-apocalyptic world. It includes a popular 55-episode anime adaptation produced by Studio Pierrot.
In plain words
It is a story about special fighters called Ninkū who use unique powers. The series was first published in Weekly Shōnen Jump during the 1990s and later expanded into a sequel manga.
A simple example
A reader might watch the 1995 anime series to see the action scenes brought to life by Studio Pierrot.
Why it matters
The series is a significant part of 1990s manga history and helped establish the post-apocalyptic genre in anime. It also successfully transitioned from a shōnen magazine to a seinen sequel.
Easy to mix up
Do not confuse it with other martial arts manga that use similar sounding names.