If you loved Bungo Stray Dogs: Dead Apple, try Mushi-Shi: The Next Chapter - Drops of Bells
A bridge between a film you've already seen and one most people haven't. Mushi-Shi: The Next Chapter - Drops of Bells has roughly 3.5× 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.

Bungo Stray Dogs: Dead Apple

Mushi-Shi: The Next Chapter - Drops of Bells
What they share
Theyboth carry the foreign gem, surreal mood tags, and they sit in Animation / Mystery 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 Mushi-Shi: The Next Chapter - Drops of Bells is
Deep mountain summer. Bell tones. A wandering Mushi Master finds a girl entwined with vegetation, the apparent deity of the local highlands. Her estranged brother seeks her, haunted by the day she vanished in storm-soaked hills. A tranquil, folkloric vignette from the acclaimed anime series.