Reborn in 80S and Happy to Be the Master

She met unkind people during her lifetime, and went all the way to the dark side, causing her parents to die tragically because of her, and her sisters to live worse than dogs because of her involvement. When she comes back to life again, she just wants her family to live a happy life, have money to spend, and be healthy. Unexpectedly, I rescued a sinister fox and ate her until not even the dregs were left. She started a business and he invested. Whatever she did, he would silently protect her from behind.