If you loved Legend of the Galactic Heroes: My Conquest Is the Sea of Stars, try Legend of the Galactic Heroes: Overture to a New War
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.

Legend of the Galactic Heroes: My Conquest Is the Sea of Stars

Legend of the Galactic Heroes: Overture to a New War
What they share
Both films are directed by Noboru Ishiguro, and they both carry the cerebral, epic, foreign gem mood tags, and they sit in Animation / Science Fiction / War territory. If that's the register that drew you to Legend of the Galactic Heroes: My Conquest Is the Sea of Stars, the second film will land in a comparable space — through a different lens.
What Legend of the Galactic Heroes: Overture to a New War is
You tour a star-spanning empire after a hard-fought triumph while across the void the homes you left still hum with quiet hope. Then a single communiqué cracks the calm. A director once handled the telescope that framed these galaxies, watching both sides of the dark.