Onna hissatsu ken: Kiki ippatsu (AKA: Sister Street Fighter: Hanging by a Thread)
Year: 1974
Plot: This time Koryu heads to Yokohama in search of a woman named Birei, kidnapped by diamond smugglers who move their hot rocks by surgically implanting them into the nubile buttocks of Chinese prostitutes. Koryu's older sister, worki...
IMDB: 6.6