I think this is the reason why she came back in the past. Not only to take revenge, but to also help the people she hasn't taken the time to notice before (like the prince and now her little sis) bcs she got manipulated to only following her love. I know she made a lot of sins in her past life, but this is her 2nd life now i hope readers can tell she's developing as a character she has a lot of good in her.