The initial English dub cast announcements by The Anime Network show the joke pseudonym Eileen Dover to be the voice of Fujiko Eto, but the closing credits for the English dub show Shelley Calene-Black.
Based on Mizuki Shoutarou's magical fantasy romance novel series of the same name, with illustrations by Itou Souichi published by Hobby Japan under their HJ Bunko imprint. The first volume was published on February 1, 2008, and was completed with a total of 13 volumes available on March 29, 2014.