Awakend: The Female Agent Phoenix's Revenge

She took her sister to visit a close friend, only to be betrayed and sold to local criminals. They were brutally abused, and their parents were killed trying to rescue them. This planted the seed of revenge in her. Meeting a former Phoenix who saw her own struggles in her, she became a disciple. She then rose as the new female warrior of the dark underworld, dismantling the criminal syndicate and rescuing her sister.