
I know this is very random and just Manhwa logic at this point but I wonder if In reality there are pure blood blonde Koreans ( except for the albinos )

That can’t be possible I think, because of what the eastern Asian gene actually do. It’s characterized by thick black hair and monolid eyes. It doesn’t mean they are the only one with these genes, but it’s a common feature there. So to have blond hair must mean you’re albino, in that case your hair isn’t quite blond but void of pigments (albinos actually don’t make pigment anywhere), as blond does not equal no pigment.
Awe man I wanted a kid for them ( so they could bond over it )