Nozomanu Fushi no Boukensha - Vol. 10 Ch. 46.1 - As Long as We Go Together

[MangaDex]

 

[Kaarme]

Sounds like the village probably suffered from inbreeding.

 

[Valhalla_101]

Sounds like the village probably suffered from inbreeding.

I’m pretty sure they weren’t related by blood

 

[AzzoleOddone]

Sounds like the village probably suffered from inbreeding.

doesn't sound like it, at least not yet
if it continues tho it might happen since only the chief is alowed outside, and even then only for a brief period