NO, it is not finished.
We found unfinished core content:
Ninja slayer: glamorous killers (Adaptation)
Ninja slayer: kyoto hell on earth (Adaptation)
Ninja slayer series (Adaptation)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
In a futuristic Neo-Saitama, where technology reigns supreme, ancient ninja souls are resurrected, wreaking havoc. Fujikido Kenji, an ordinary salaryman, tragically loses his family in a ninja conflict.
Near death, he's possessed by a mysterious ninja soul, transforming him into Ninja Slayer.
Driven by vengeance, Ninja Slayer embarks on a grim mission to eliminate the evil ninja of the Soukai Syndicate and avenge his loved ones.
The anime follows Ninja Slayer as he battles through the dark and dangerous underworld of Neo-Saitama, confronting powerful and deadly ninja opponents.