A Graceful Concubine Should Strengthen Herself

She lost her life to save her friend, but unexpectedly woke up and became the useless concubine of the Hou family. From then on, she became more and more courageous in her fight with her vicious sister and aunt, started a business and achieved a great career, and lived a wealthy and leisurely life. However, one of his extremely noble crown princes said that he was attracted to her and asked her to marry him as his crown prince concubine. But yes, could he first deal with his ambitious father and duplicitous mother and concubine? Besides, the Crown Princess is the Crown Princess, and she didn't agree to be the Crown Princess. What? Marrying her once was not enough, as having three wives and four concubines was not in line with his noble status. Well, she quits. He wants to be the prince, the prince, and he can marry whomever he likes...