There are 2 TV series for the same anime the second one was aired in 1991-1992. Momo is a little girl who lives with her parents. She is from the land of dreams sent to earth to not lose their dreams. Momo and her parents own and run a hotel. Momo lives in Fenarinarsa which is now near earth's space to help people who lost dreams. She uses her his ability to change herself or something into various things. To end the series she was run over by a truck and her spirit was reborn as a human.

In the second series another Momo-chan lives with her human parents who run a hotel. Premise is the same as the first series, except that this Momo has more general use of her magic - being able to cast spells as well as transform. Minky Momo comes from Marinenarsa which sits at the bottom of the sea. Note that the first Minky Momo (now human)has also appeared in this series.

Source: MyAnimeList, myanimelist.net...

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