If you loved The Boy Who Saw the Wind, try Inuyasha the Movie 2: The Castle Beyond the Looking Glass
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

The Boy Who Saw the Wind
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Inuyasha the Movie 2: The Castle Beyond the Looking Glass
What they share
Both films are directed by Toshiya Shinohara, and they sit in Adventure / Animation / Fantasy territory. If that's the register that drew you to The Boy Who Saw the Wind, the second film will land in a comparable space — through a different lens.
What Inuyasha the Movie 2: The Castle Beyond the Looking Glass is
You exist in feudal Japan, finally without Naraku. But a lunar princess appears, keen to remake the world in her image. The gang reunites. Shinohara's staging nods to classic fairy tales. The film conveys how quickly paradise gets lost.