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Female Ninjas Magic Chronicles 4: Rebel Forces at the Threshold

Basically the plot revolves around the title characters having to stop some sort of alliance from carrying out their dastardly deeds. The vixens employ some of the most bizarre ninjitsu sex magic ever commited to the screen to aid them in their quest. The production feels like some edited episodes of a TV series (I don't know if that's actually the case here), so think along the lines of Charlie's Angels meets Saiyûki (aka. Monkey) but made by perverts and you'll start to get the picture ...