Do you know "BRAVE 10" which is anime of Japan?
In this anime, many samurai and ninja appears.
This anime's main character is Sanada Yukimura and "Sanada ju yushi" which is 10 samurai who served Yukimura.
"Sanada ju yoshi" is a fiction characters, but they often appear in many Japanese novels and games and so on.
This anime is classified in a battle anime.
I enjoy many battles of samurai and ninja every week.
If you would like to see this anime, you may search a word of "BRAVE 10" at video-sharing web site.