I feel like the sister may have seen the friend somewhere and the brother realized she liked him (or something like that) and this is some elaborate plot by her and her brother to get the both of them to hook up.
@WoodyCyber both stories are almost the same, although I prefer the other one as the art is better and there’s more detail. Like someone else said previously we get to see how she grows up with her ex husband in a more detailed light and readers can now treat him appropriately as the piece of...