Devilman GrimoireDevilman Grimoire.

Devilman Grimoire (Japanese: デビルマンG, Hepburn: Debiruman G) is a Japanese manga series written by Go Nagai and illustrated by Rui Takato. It is part of the Devilman franchise created by Nagai. The manga ran in Akita Shoten's Champion Red from March 2012 to December 2013, with its chapters collected in five tankōbon volumes.