Masaru Tsushima

The government are worried that the Emperor will have no children because he can't get an erection. The female ninjas try to find a sacred book that will help him, but they face a stiff challenge.

When a rebellious faction led by the Koga ninja clan tries to stir civil unrest by publicly questioning the morality of the Shogun, he seeks to protect his reputation by cleaning up his past. He hires a group of female ninja from the Iga clan to wipe out a series of women who he had kinky affairs with in the past, but at the same time the Koga are trying to kidnap the women to have them rebuke the Shogun in court.

Wife in former life plagues husband as ghost in the present. (imdb)

A gang of evil ninjas has stolen the sacred sword of the Lady Mayu and are demanding that her family exchange her for the family treasure. The world's greatest swordsman, Shuranosuke Sakaki, is called in to get the sword back. (imdb)

The female ninjas need to protect their particular master's unborn infant from enemies. They use all types of intimate tricks to obtain the work done.

Christian rebels get a shipment of gold to help build the religion in Japan. An evil lord wants to get the gold and wipe out christianity but he has to find 5 bells that have clues to where the gold is. You'll never guess where the bells are...

The female ninjas have to stop an alliance from carrying out their dastardly deeds, which includes bizarre ninjitsu sex magic to aid them in their quest.

This time the female ninjas are the bad guys and they have to fight a superhero called Jirasyso.