The Vixens of Kung Fu (A Tale of Yin Yang) is a 1975 American pornographic martial arts exploitation film produced and directed by Bill Milling, under the pseudonym Chiang. It stars Bree Anthony, Tony Richards, Peonies Jong, and C. J. Laing, and follows a prostitute who is gang raped, and who seeks revenge against her rapists after being trained in kung fu with a clan of other women by a martial artist. The film received an X rating from the Motion Picture Association of America.