FL has possibly possessed villainess with a very bad reputation and spends time repairing relation with family and friends. Also the ML is a total simp for the FL and she doesn't have a clue. The reason I said possibly is because the FL memories are not lining up with her family memories. There also the fact that no one can remember the crown prince party from a few years ago, it's like really strong magic and powerful force are preventing anyone from remembering and there is the magic amnesia as well. My theory is FL is really the owner of the body and because of power of magic made her forget everything and unlocked her memories from her first life. I NEED MORE CHAPTER FOR MY ANSWER!
