Heart Stone - Good and Evil Reversed

She was once a ruthless killer who did not hesitate to kill innocent people for revenge; he was once a rich young man who sold his reputation for the sake of his family. By chance, she met him on a dark street, and she and he changed their minds from then on. But an accident caused her hatred to overwhelm her conscience, and she became even more ruthless from then on. Can she change back to her good self? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.