If you loved FLCL Progressive, try Shaolin Girl
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Katsuyuki Motohiro, and they both carry the playful mood tag, and they sit in Action / Comedy territory. If that's the register that drew you to FLCL Progressive, the second film will land in a comparable space — through a different lens.
playful
What Shaolin Girl is
This one tries its best to be a live-action anime. A young woman packs up her Shaolin training and heads back to Japan to revive her granddad's dojo. It's a movie that certainly exists.

