If you loved Fighting Spirit: Champion Road, try One Piece: Episode of Skypiea
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 playful, uplifting mood tags, and they sit in Action / Animation / Comedy / TV Movie territory. If that's the register that drew you to Fighting Spirit: Champion Road, the second film will land in a comparable space — through a different lens.
playfuluplifting
What One Piece: Episode of Skypiea is
Some islands just refuse to stay on the ground. A misplaced cloud-surfing tribe and a self-appointed deity make life messy for rubber boys on their way to golden real estate. The whole thing folds up neatly the second the credits roll.
Ask 
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Le Chat
Perplexity
for a deeper bridge
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