Responses
It's not that she hates him, she just doesn't care about him. Could you imagine he did sentenced her to death. Ignored her entirely in the first timeline. Now come back alive with those memories where she was betrayed, ignored, unloved, and killed would you have done the same thing as you did in the past? Is it so selfish to ignore those who have hurt you?
Be forgetful to those who killed you? Nah, its only natural she's unforgiving. She's not a saint. If she's able to move forward with him then magnificent but I would totally understand if she would deadass ignore her father. Give her time. She just died and came back to life.
I personnaly think FL's disinterest toward her father is normal because she was deceived by him. But for us, as readers, we shouldn't hate the dad because anyone who is in his situation would have 50% of chance to make the same mistake.
His character will develop and evolve so that we will all like him even more afterward. And all those people who were like "I hate him, he deserves worst" will be screaming their love for him. THAT'S LITERALLY WHY THE PHRASE "YOU SHOULDN'T JUDGE A BOOK BY ITS COVER" EXIST.
Anyway, if we look at this story with the situation of the Duke, we understand his pain and struggles. If we look with the situation of the FL, we understand how she felt disappointed by her maids and her dad.
That's normal, that's what the author is trying to hint at. The duke will become a real and caring dad, he is developing.
... but in the same way, I don't like the way she don't let him any chances to be better with the attitude he showed to her lately. I feel like she is not trying to pardon and people should at least have a chance to repair their mistakes.
I really hope she will be more forgetful toward people. Because I only sence a hatred from her acts. This is not how to be free from mind struggles. You need to understand the action of the others before saying "it's over me, I don't care anymore". She seems to care in my eyes but well.