Rental Magica

Rental Magica is a series of light novels that began in 2004, which are still ongoing with over 23 volumes.

A manga adaptation ran from 2006 to 2009, compiling 5 volumes (an additional 2 for a total off seven also released under the "from SOLOMON" subseries)

From 2007 to 2008 there was a 24 episode TV series.

Plot
The main protagonist of the story is Itsuki Iba, the second president of Astral (magician-dispatch service & mage's society) who, although he is young and inexperienced, ironically is not even a mage.

Official

 * http://www.kadokawa.co.jp/sneaker/magica

Other Sources

 * http://www.animenewsnetwork.com/encyclopedia/anime.php?id=8033

Other Wikis

 * Rental Magica
 * w:c:AnimeBaths:Rental Magica