If you loved Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars, try Mobile Suit Zeta Gundam - A New Translation II: Lovers
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.

Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars

Mobile Suit Zeta Gundam - A New Translation II: Lovers
What they share
Both films are directed by Yoshiyuki Tomino, and they both carry the outsider mood tag, and they sit in Action / Animation / Science Fiction territory. If that's the register that drew you to Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars, the second film will land in a comparable space — through a different lens.
What Mobile Suit Zeta Gundam - A New Translation II: Lovers is
You pilot a mech in a civil war, meeting a strange girl on the battlefield. But she's the enemy, enhanced for combat, and your heart aches. Director Tomino finds time for doomed romance amid the laser blasts. It leaves one wondering who can be trusted.