If you loved Leave it to Kero!, try The Piano Forest
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 Masayuki Kojima, and they both carry the cozy mood tag, and they sit in Animation territory. If that's the register that drew you to Leave it to Kero!, the second film will land in a comparable space — through a different lens.
cozy
What The Piano Forest is
Buster Keaton meets Studio Ghibli. A bullied transfer student stumbles onto a broken piano in the woods and meets Kai, the only kid who can coax sound from it. The piano teaches him music and rebellion.

