If you loved Gurren Lagann The Movie: Childhood's End, try Dead Leaves
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.
What they share
Both films are directed by Hiroyuki Imaishi, and they both carry the playful mood tag, and they sit in Action / Animation territory. If that's the register that drew you to Gurren Lagann The Movie: Childhood's End, the second film will land in a comparable space — through a different lens.
playful
What Dead Leaves is
You wake naked on a roadside, two fugitives with zero memory, and start bartering stolen food for clothes downtown. Authorities slap you in a lunar prison named Dead Leaves where riot lives on loop, and the warden just handed you matching laser lollipops.

