was thinking the samething
The mom is weak compared to the rest of the villagers and her parents. Their regions is only liveable for those with 1st class rank. The city however is secured thats why there wasnt a need for any ranking(mom 2nd rank while husb lower rank). Also the reason why the city isnt full of magic mana thingy coz all the monsters is already been driven out by the military. I still rather lived in the city tbh coz i’d be shitting myself seeing bigass bugs on my own home
It's like when someone said they're bad at chess because they never win a single game with their grandfather, when said grandfather is actually a world class champion.
Because her parents were basically S+ class (in terms of strength), and all the other villagers were also A or S class, the mom thought she was weak. But seeing how strong she is compared to the city adventurers, it’s clear she’s also probably A or B class. (Maybe down to B just because she’s been inactive for so long and skills can get rusty.)
Whereas those city adventurers probably cluster around D - F class, and the strong and skilled can level up to B or occasionally A. (Umm, a very rough and not accurate guess based on other Isekai ish fantasy leveling systems)