Under Japanese Male Chauvinism, it was shamed for a sumarai to be defeated by a female ninja. When a female ninja was captured by sumarais, therefore, she would be tortured in very cruel ways. Someone listed top thirteen tortures of the ancient Japan against captured female ninjas as the below:
1. Breast Insertion Her pair of breasts was inserted by a needle stick from one side to the other. Then the stick with the kunoichi would be hangged up.
2. Belly Cut Her belly was cut to open. Her organs would be gradually flowed out.
3. Copper Ironning Her vagina was inserted by a very ironned copper stick so then her vagina would be ironned.
4. Bondage She was entirely bondaged by steel wire. The wire would be gradually adjusted to be more tight until her bones were broken.
5. Roasting She was roasted over an ironned board.
6. Head Openning Her head was openned at the top and then her brain was hit into liquid by a hammer.
7. Chest Digging Her chest was cut to open. Then her muscle and organs were digged o…
Some document mentioned that an individual female ninja was easily defeated by typical security guards, so they should form a team to commit a mission together. This was the same to female spy agents in a military group. They dress up with black pantyhose and black suit, kneel down to accept an order from a commander. Then they proceed and fight for their mission until death.
Intelligent property becomes more and more important in the economy. Such asset therefore becomes target of female thieves and spy agents. They wear black pantyhose and creep into companies to steal them. They can't easily be discovered otherwise they will fall into infinite loops of torture.