I'll focus on the male as I always look there first from my perspective. I think if his designed narrative arc is to start as kind of dorky but maybe then "clean up" and evolve a bit over time, then this kind of matches well to me. I can't quite see his entire hair, but his face and especially potential jawline (it's a bit rounded but maybe can be chiseled more over time) kind of tells me that he could look very handsome in the long run. If this is kind of the intent, I think it's perfect.
The blond girl screams cute and perky to me. I imagine she will be a little bundle of joy?
Idah (brown haired girl) gives me a more alluring/mysterious vibe, like kind of a bit dorky on the outside but much more on the inside.
Keep in mind this is from my perspective so many guys might see the girls differently!