If you loved Bungo Stray Dogs: Dead Apple, try Zatch Bell! Attack of Mechavulcan
A bridge between a film you've already seen and one most people haven't. Zatch Bell! Attack of Mechavulcan has roughly 6.6× fewer votes than Bungo Stray Dogs: Dead Apple — it's a deeper cut, not a mainstream recommendation. 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 Takuya Igarashi, and they both carry the foreign gem mood tag, and they sit in Action / Animation territory. If that's the register that drew you to Bungo Stray Dogs: Dead Apple, the second film will land in a comparable space — through a different lens.
What Zatch Bell! Attack of Mechavulcan is
You sprint for a seaside camp bus when a future demon scientist swaps roads with you. Trapped in a mad cloning lab he wants you to reengineer magic. Mecha-Vulcans close in as Gash gets distracted by a fraud friend. The clock ticks while you improvise an exit with the team.

