Kunoichi: Erotic Arts Hidden Within the Honey Pot

Plot: During the Sengoku period, Takeda Shingen sent female ninjas to acquire a document containing information about the region in order to conquer several castles. They obtained the document, but then enemy ninjas using mysterious techniques blocked their path. Overwhelmed by the relentless attacks of the scattered ninjas, including the Crimson Serpent, the kunoichi was finally captured. Will she possess any ninjutsu to fight back while being brutally assaulted by the enemy ninjas?!