Akko spends a summer with her friends at her grandfather's home near the beach. There the kids learn about a legend that on a nearby island lives a white dolphin which is able to turn into a dragon. Some of Akko's friends are curious and are set on going to the forbidden island.
Source: ANN. Will be replaced by a unique synopsis written by Anime-Planet and updated tags.
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|Himitsu no Akko-chan||TV||1969|
|Himitsu no Akko-chan 2||TV||1988|
|Himitsu no Akko-chan Movie||Movie||1989|
|Himitsu no Akko-chan 3||TV||1998|
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