I feel like James and Ginny would have gotten along really well. Like Harry and Ginny would start dating and Ginny would become BFFs with James and they'd have inside jokes and team up against Harry during Quidditch.
THIS SCENE. This is such a powerful moment. "Nobody bad-mouths Hagrid on Hermione’s watch! (Thank you to lizmaryr and zexionlikesmuffins for suggesting this glorious scene from the Prisoner of Azkaban!