How does Sara become a child in Mermaid Melody? - Anime & Manga Stack Exchange

I watched this anime when I was in grade 4. I still can't see why Sara (the orange mermaid) becomes a child.

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Why doesn't Funimation dub Mermaid Melody Pichi Pichi pItch? - Quora

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Why doesn't Funimation dub Mermaid Melody Pichi Pichi pItch? - Quora

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How does Sara become a child in Mermaid Melody? - Anime & Manga Stack Exchange

timeaftersometime — How do to think Pure would have been different had

Mermaid Melody Pichi Pichi Pitch Doumoto Kaito Prince Version Cosplay Costume Commission Free Custom Size Tailor Made Party Costume - FM-Anime Cosplay Shop

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Sara, Mermaid melody Wiki