How to Get My Husband on My Side

In the novel, she was transformed into a character who died at the hands of her husband. Woken up a day in a new family that was the same as the old one in her previous life, she was destined to die while being used as a weapon for her father and brother to gain more power by a political marriage.

I became Ruby who reincarnated in the Ressanaince Era, has been now living in her body for 3 years. My father sneaked out one day and chose my fifth groom. The issue is that the chosen person was the finest Paladin of the North, and he was also the guy who would ruin me and my family in the future. First and foremost, I must discover a means of survival. There are many hurdles I must conquer in the story before finding a method to save my sister-in-law, who was about to perish at my hands. How would I convince my future husband and other people who dislike me that I am not harmful to them?