I'm glad someone pointed out that loans aren't inherited. They're the Yakuza, sure, but it's far too common a trope for a child to inherit a parent's debt if they already forfeited their inheritance/estate
Badigadi cannot be voiced by anyone else except the guy that voices all might.
And I don't think letting mages research immortality is a good thing, he lent them a hand anyway.
Granny breaking ties with the adventurer's guild over the disrespect shown to her student, even the exile of the adventurer and monetary compensation. All of that was fine.
The writing went off the rails when Aina offered to become a slave. Like, what?