Ninja Slayer From Animation
ニンジャスレイヤー フロムアニメイシヨン (original)
Ninja Slayer is a ninja who kills other ninjas in the name of ninja vengeance. In a dystopian world, he stands alone.
Starring
It's a animation and sci-fi & fantasy show, and has a rating of 6 out of 10 from Imdb which is fairly okay for this kind of show.
Watch it here
Not found streaming from United Kingdom.