If you loved Olive, the Other Reindeer, try Lupin the Third: The Secret of Twilight Gemini
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.
You already loved

Olive, the Other Reindeer
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Lupin the Third: The Secret of Twilight Gemini
What they share
Theyboth carry the playful mood tag, and they sit in Animation / Comedy / TV Movie territory. If that's the register that drew you to Olive, the Other Reindeer, the second film will land in a comparable space — through a different lens.
playful
What Lupin the Third: The Secret of Twilight Gemini is
The show steels itself for another heist in the most roundabout way possible. Lupin chases half a gem across two continents while dodging partners and psychopaths. It delivers exactly the glint you expect and not much else.