With Me in the Demon Realm, Who Dares Invade?

She was an orphan, but while looking for a job, she stumbled into a world that wasn't meant for humans. Other people transmigrate with cheat abilities, a System, and all sorts of golden fingers. All she gets is a beating. A demon tells her that the only way to get stronger is to take a beating. Of course she wants to get stronger. She would do anything for it, not to save the world in some hot-blooded, chuuni fantasy, but simply to stay alive. The Demon Emperor adopted her as his daughter and made her a princess, but she never stopped striving to become stronger. She wanted to live. She wanted it more than anything. Then one day, turmoil swept through the demon realm, and the royal family fell apart. Suddenly, she realized she might not even be human. From then on, getting stronger was about more than just staying alive. It was for...