The demon princess and the hero

There is a girl who lives in a world unknow to most people. You will only hear this story once. Her name is lillth. Lillth was a princess and she lived a happy life with her dad. Her mom died a few years ago. But her happy life whould change just like that. The war began the hero came attacking her dad. The demon king had to fight back. So just like that the grat war between demons and humans had started. At night the hero,came into the demons king house and kidnaped lillth. She was crying so hard but no one could hear her. The next day the demon king find out that some has kidnaped his daughter. He got mad and stared killing every human he see. The hero knew he had made a big mistake after that day the hero took lillth to Tokyo Japan where no one could find her. The had a house already paid for the hero change her name to Bella. Now Bella just played a long not saying a word to the hero. But the hero ask her a question and she awarded it the question was. How old are you. Bella said " you know you should not be asking girl there age. But I am 15 years old. The was in disbelief she is the same age as me.