It was serialized in Kodansha's seinen manga magazine Evening from October 2007 to December 2018, with its chapters collected in sixteen tankōbon volumes.

In North America, the series is licensed by Nozomi Entertainment, who released both seasons on DVD in February 2015.

[3][4] Kodansha collected its chapters in sixteen tankōbon volumes, released from April 23, 2008, to February 22, 2019.

[28] A fourth OAD was bundled with the limited edition of the manga's eleventh volume on June 23, 2014.

A second 13-episode season, titled You're Being Summoned, Azazel Z (よんでますよ、アザゼルさん。Z, Yondemasuyo, Azazeru-san Z), was broadcast from April 7 to June 30, 2013.