Collection of Dororon Enma-kun manga, contains:
Dororon Enma-kun (2 vols): http://www.mangaupdates.com/series.html?id=22191
Dororon Enbi-chan (1 vol+color pages from magazine version): http://www.mangaupdates.com/series.html?id=13979
Kikoushi Enma (1 vol): http://www.mangaupdates.com/series.html?id=10098
Enma VS ~Dororon Enma-kun gaiden~: http://en.wikipedia.org/wiki/Bibliography_of_Go_Nagai#2010s

DDL (MU folder): http://www.megaupload.com/?f=O7LB0B4B