If the anime was never completed, Then you're in luck. You can continue the story by reading the completed manga. This list has basically the same rules as a couple of my other ones, includes anime originally based on a manga, no...
List of anime that adapt a manga from Houbunsha's Manga Time KR Comics imprint. [First Seasons Only] The imprint contains manga from: Manga Time Kirara, Manga Time Kirara MAX, Manga Time Kirara Carat, Manga Time Kirara Forward...
A list of anime where characters from another world have come to ours