If you loved I Am Sun Mu, try Yobi, The Five-Tailed Fox
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
Theyboth carry the tender mood tag, and they sit in Animation territory. If that's the register that drew you to I Am Sun Mu, the second film will land in a comparable space — through a different lens.
tender
What Yobi, The Five-Tailed Fox is
Here's a film that understands the assignment. A five-tailed fox ventures into the human world to rescue her alien pal from some pesky villagers. She meets an outcast kid, enrolls in his school, and dodges both a hunter and a shadow man. It is, at least, quite a lot of movie.
Ask 
ChatGPT
Claude
Grok
Le Chat
Perplexity
for a deeper bridge
ChatGPTClaudeGrokLe ChatPerplexity