If you loved Mobile Suit Gundam: The 08th MS Team - Miller's Report, try Towa no Quon 5: The Return of the Invincible
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.
You already loved

Mobile Suit Gundam: The 08th MS Team - Miller's Report
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Towa no Quon 5: The Return of the Invincible
What they share
Both films are directed by Umanosuke Iida, and they sit in Action / Animation / Science Fiction territory. If that's the register that drew you to Mobile Suit Gundam: The 08th MS Team - Miller's Report, the second film will land in a comparable space — through a different lens.
What Towa no Quon 5: The Return of the Invincible is
You awaken with supernatural powers in a world where others like you are emerging but then mysterious forces threaten your existence. The film leaves viewers with a complex web of power struggles.