The Phoenix Returns: The Marquis's Third Young Lady

She was a top assassin of the 21st century, but died at the hands of the person she trusted most. Reborn in another life, she began to enjoy the happy life her new existence had brought her. But fate had other plans. When disaster struck again, she finally realized that constantly yielding was no solution. The only real answer was to make herself stronger. From that moment on, she would neither tolerate nor need to tolerate anyone. If no one provoked her, she wouldn't provoke them. But if anyone crossed her, she would kill them. Now that she possessed this mysterious power, what did it matter if she changed the world itself…