If you loved Arpeggio of Blue Steel -Ars Nova Cadenza-, try Arpeggio of Blue Steel -Ars Nova DC-
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.

Arpeggio of Blue Steel -Ars Nova Cadenza-

Arpeggio of Blue Steel -Ars Nova DC-
What they share
Both films are directed by Seiji Kishi, and they both carry the neon soaked, surreal mood tags, and they sit in Action / Animation / Science Fiction territory. If that's the register that drew you to Arpeggio of Blue Steel -Ars Nova Cadenza-, the second film will land in a comparable space — through a different lens.
What Arpeggio of Blue Steel -Ars Nova DC- is
You command a rusted training sub crawling the drowned coast. An armored figure surfaces from the mist with a warship you should hate but can’t resist. Then I-401 offers its cannons against the Fleet of Mist. It’s a director’s trick: turn the sky into a water world and watch one outcast decide which side to drown first.