After Crossing the Ancient and Modern Times, I Successfully Rebelled

I am an ancient woman who was summoned to modern times by a dead fat man. He said that all the women around him are women. He likes the virtuous and virtuous women of ancient times. He wanted to live a good life with three wives and four concubines. He said that my greatest value was to bear children for him. But what he didn't know was that there were thousands of virtuous women in ancient times, but I was a Rakshasa who fought on the battlefield. Purpose: Women should strengthen themselves