Basilisk
バジリスク甲賀忍法帖 (original)
Twenty ninjas must fight to the death for possession of a scroll.
Starring Yui Horie, Inori Minase, Reina Ueda, Tasuku Hatanaka, Takuya Kirimoto
It's a animation and action & adventure show, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Australia.