月刊コミックアライブ
A manga series illustrated by Nana Mochizuki was serialized in the Japanese seinen manga magazine "Monthly Comic Alive" between the August 2006 ("Monthly Comic Alive" debut issue) and October 2009 issues, published by Media Factory. Seven "tankōbon" volumes were released by Media Factory under their MF Comics imprint. The manga was licensed in North America by Seven Seas Entertainment under the title "Zero's Familiar", and released in three omnibus volumes. The manga was also licensed by Elex Media Komputindo in Indonesia and released up to volume three in English under the title "The Familiar of Zero", and in the Czech Republic by Zoner Press.