Better: they already knew each other (because Lilina is Lyn’s daughter and Rath is Lyn’s friend and in Lano Canon™ Hector and Lyn take Lilina to the plains sometimes!)

maybe they were a little awkward before because like…the children of your parents’ friends, kind of weird. But now they’ve both lost important people and they’re both lonely and out of place so they can be Real Friends and then later Girlfriends