If you loved Pretty Guardian Sailor Moon Cosmos the Movie Part 2, try Pretty Guardian Sailor Moon Cosmos the Movie Part 1
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.

Pretty Guardian Sailor Moon Cosmos the Movie Part 2

Pretty Guardian Sailor Moon Cosmos the Movie Part 1
What they share
Both films are directed by Tomoya Takahashi, and they both carry the foreign gem mood tag, and they sit in Adventure / Animation / Fantasy / Romance territory. If that's the register that drew you to Pretty Guardian Sailor Moon Cosmos the Movie Part 2, the second film will land in a comparable space — through a different lens.
What Pretty Guardian Sailor Moon Cosmos the Movie Part 1 is
Even magical girls need their weekends off, apparently. The Sailor Guardians bask in calm until Galaxia swipes Mamoru’s Golden Crystal, then the Starlights show up with sharper elbows. They’ve got a new foe who turns hearts to cosmic dust and promises a very literal star turn at the top.