Per my rating, I have mixed feelings on recommending this. I watched it hours after finishing the tv series. Starting off with the pros, the high budget is clear with beautiful shots and no off-model moments for characters (or at least I didn't notice any) In the 6 year gap between the series and the movie, Dezaki's directing became so much more refined and distinctly HIS style from the pastel still frames, the shots of birds taking flight, unique camera angles, and color palette changes in intense moments. It very much made the movie for me. Onto why I am mixed about this, the movie ispretty much a recap of the series, with new content being at the very end. While some moments are changed slightly, the end result is pretty much the same. Some really important character arcs and moments are cut out too, like Kyoko Otowa's development and a lot of how Reika and Hiromi's bond grew and changed over the course of the plot along with Hiromi's improvement being less gradual, only shown through short training montages. I understand the reason being time constraints, but it still does hurt the film.

Overall, if you're watching it for new content, it isn't really needed. However, if you are a Dezaki fan like me and enjoy his directing style, the film is eye candy and a nice watch.

TL;DR: Probably not going to enjoy it if you aren't a fan of recaps, if you want to watch it because it's a Dezaki work and to see his style in motion, go for it.