The title translates to Rappi Rangai in Japanese.
The plot is, this guy, Raizo, is being protected by three ninjas. Two girls and one guy who´s a crossdresser. Their master wants to take them off the mission to protect Raizo, but they refuse. Only if they can defeat their master, will he let them continue protecting them.
One by one they are defeated and just when he is about to take their unconscious bodies away, Raizo uses an ancient sword which able to defeat the master.