It seems that when Lum was born, a postal screwup resulted in a witchy friend of the family not getting an invitation to the celebration. The witch put a curse on Lum, that she would never be happy with her True Love.
In the present, a new Amusement Park has been built in Tomobiki, and opening day finds the whole gang sampling its pleasures. At a magic show, however, Ataru gets turned into a large pink hippo-potamus, FOR REAL!
When Lum attempts to track down the magician that transformed her Darling, things start to get very weird, very fast!
(Source: AniDB)
Characters & Voice Actors

Lum
Main
Hirano, Fumi
Japanese
Mendo, Shutaro
Main
Kamiya, Akira
Japanese
Moroboshi, Ataru
Main
Furukawa, Toshio
Japanese
Ruu
Main
Iwata, Mitsuo
Japanese
Akira
Supporting
Futamata, Issei
Japanese
Benten
Supporting
Mita, Yuuko
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