@gouder The boy from the last page is walking alongside the girl from the first page, with the dialog slightly implying they are dating. The black haired boy is looking at them from the side and is implied to be friends and have feelings for the other boy.
@Nep In the raws the phrase is "Pull potatoes", because apparently doing that gets your knees shaking so it gets linked to appearing afraid. She thinks he misunderstood to pull her hand, he thinks she is tending a potato farm in her free time or something.