Some of these interactions read to me as lowkey sexist lol
First is barring Milly from being the heir because she's a woman (which I partially understand because she wouldn't be able to protect the territory if she gets pregnant which is the duty of the lord)
Second is the mom barring Milly from using the magic sword because "her face could get scarred" like the territory is literally full of people who can fight like who fucking cares if she gets scarred!!! If her face getting scarred somehow "ruins" her then the people who think that are stupid!!! (I get that this could also just be the mom not wanting her daughter to get seriously injured but why bring up her face specifically???)
It just feels like the story is trying to be progressive while also catering to conservatives which is not cute