After having arrived in Saito's world and explained everything to his parents, he and Louise go out on a date in the city of Tokyo. They go to the cinema and have a dinner in a restaurant. Louise also discovers multiple things about Saito's much more advanced world during it all.
Saito and Louise meet/reunite with Saito's parents. They convince them of the existence of Halkeginia and they go their to let them meet many of their friends. I do NOT own ZnT/FoZ!