If you loved Demon Slayer: Kimetsu no Yaiba Infinity Castle, try Demon Slayer: Kimetsu no Yaiba Mt. Natagumo Arc
A bridge between a film you've already seen and one most people haven't. Demon Slayer: Kimetsu no Yaiba Mt. Natagumo Arc has roughly 3.4× fewer votes than Demon Slayer: Kimetsu no Yaiba Infinity Castle — 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.
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Demon Slayer: Kimetsu no Yaiba Mt. Natagumo Arc
What they share
Both films are directed by Haruo Sotozaki, and they both carry the foreign gem, playful, raw mood tags, and they sit in Action / Animation / Fantasy territory. If that's the register that drew you to Demon Slayer: Kimetsu no Yaiba Infinity Castle, the second film will land in a comparable space — through a different lens.
What Demon Slayer: Kimetsu no Yaiba Mt. Natagumo Arc is
Mountain forest darkness falls on rusted swords. Tanjiro and fellow slayers track missing persons. A classic shonen anime battle unfolds.
Ask 
ChatGPT
Claude
Grok
Le Chat
Perplexity
for a deeper bridge
ChatGPTClaudeGrokLe ChatPerplexity