Now, that's the great thing about yuri in fantasy settings. You get to see girlfriends using magic to flirt and put on a show.
That aside, gotta love the illumination/shadows, Reimu's lovestruck face and squintsthe handholding, how scandalous
Speaking of the soundtrack, the Japanese version of the movie has a different main theme. Instead of "What's up Danger" it's this: https://www.youtube.com/watch?v=hySG_4ybUFs
Japan loves Spider-man.