Lu Furong was reborn, and saw with her own eyes that the entire Lu family was being executed, and that her most trusted friend had been designing to frame her, so that they could be executed.
Letting herself sit on her throne as the Crown Princess, Lu Furong lamented her ignorance in her previous life, and regretted that her ignorance caused everyone in the Lu family to die in front of her eyes.
In her new life, she didn't want to be as ignorant as she was in her previous life, and she didn't want to compete with other women for the position of a royal concubine.
She Lu Furong didn't want to, she just wanted her parents and brothers to be safe and happy in this life. They had always protected her, who was ignorant, in her previous life. In this life, she wanted to protect the entire Lu family.
As for the couple, she had plenty of opportunities to kill them.