can’t help then Shogun! If you get the movie reference

New jidai-geki directed by Koichi Sakamoto about two ninja girls.

A Shogun who grew paranoid as he became senile sent his ninjas to kill his samurai. They failed but did kill the samurai’s wife. The samurai swore to avenge the death of his wife and roams the countryside with his toddler son in search of vengeance.