The story is of a magic girl "Amelia" who has an ability "turn back" anything. It's rendered in a non photo realistic style, looks like a picture book... and the story is as well.
This movie became commercial content, so it no longer exists in the web, but you can see a part of it in the DVD trailer (00:20-00:24). Also, screen shots are available at openArt DVD page, the entry of openArt News, Blenderartists forum and Ekakiya.jp.
Katsuhiko Omori(A.K.A. Ekakiya) is one of the famous Japanese blender users. Some of you may remember his works at the blender.org gallery. He is currently working on some movies in commercial computer games. Of course, he uses blender at his private work, you can find a word "blender" in his movie "tonny's adventure" at above site.