If you loved Crayon Shin-chan: The Adult Empire Strikes Back, try Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
A bridge between a film you've already seen and one most people haven't. Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle has roughly 3.9× fewer votes than Crayon Shin-chan: The Adult Empire Strikes Back — 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.

Crayon Shin-chan: The Adult Empire Strikes Back

Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
What they share
Both films are directed by Keiichi Hara, and they both carry the cozy, playful mood tags, and they sit in Animation / Comedy territory. If that's the register that drew you to Crayon Shin-chan: The Adult Empire Strikes Back, the second film will land in a comparable space — through a different lens.
What Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle is
Apparently someone thought hot springs could save the world. Shin-chan's house sits atop a powerful hot spring. It predictably gets chaotic.