Rebirth of Revenge and Concubine

Once the blame was put on her, she became a concubine and was framed and died miserably! When the young child died in front of her, she swore that if there was an afterlife, she would never let these people who harmed her have an easy time! Once she was reborn, she took every step carefully and played every game with poison. But when she was full of revenge, that handsome man appeared and said he was willing to give her a lifetime of grace...