Female ninjas live in the darkness. They try to resist the aphrodisiac and men's penises, but... One of their subordinates betrays them and joins up with Minamoto and his men to rape O-Sayo (Chisato Shoda). O-Sayo's body is driven crazy by the secret drug and she endures the rape for days on end... The captured Kikyo (Ryoko Iori) is then drugged with aphrodisiacs for days on end, and is raped by men until she breaks down... Reiko is a female ninja from Iga. The master carpenters torture Reiko with aphrodisiacs to get her to listen to their orders... The female ninja Rui is a dropout from her ninja village. Rui trains and gains skill, but she is told that a female ninja is useless unless she can use sexual techniques, so she begins training in sexual techniques...