I don't understand the weird unbalance of men and women in this place, we've seen female adventurers and knights and such, so WHY would they have needed to send
such a disproportionate amount of men off to fight that it would leave things the way they are now? Did they just always have a higher female population and now it's even more so?
I know it's just to explain why harems are excepted here, that's literally the only reason, but that's not going to stop me from saying it's fuzzy logic if left unexplained.