What is “YaoYorozu ShinNinRyu Ninjutsu” ? (The Ninja Art of the Eight Million Gods)

NINJA

YaoYorozu ShinNinRyu Ninjutsu
(The Ninja Art of the Eight Million Gods)

A secret, forbidden art of shadows born in the land of the gods over a millennium ago.
It is a ninjutsu that delivers divine justice to rebels and buries the treacherous in darkness.
Now, the YaoYorozu ShinNinRyu Ninjutsu rises again.