Girl meets boy. Girl loses boy (usually due to a misunderstanding involving a sprinkler system or a missed flight). Girl runs through an airport in a wedding dress. Girl gets the guy. The credits roll. The end.
If you haven't seen this 2015 Japanese film (or read the manga by Momoko Kōda), here’s the gut-punch premise: She thinks she’s in a shoujo manga. She has the childhood best friend (the handsome, track-star neighbor, Rita). She has the tragic backstory. She even has the quirky best friend for comic relief. Heroine Disqualified
Because the best heroines aren't the ones who get chosen. They're the ones who realize they never needed to be chosen in the first place. Girl meets boy