User blog comment:Jopjopjop/Volume 20 Spoilers/@comment-73.157.117.201-20150728114735/@comment-108.224.166.119-20150728142646

Well there is the prequel series SLASH/DOG which will certainly expand the DXD universe and show what went on behind the scenes. And Ichiei Ishibumi talked about in one of the afterwords possibly making a one-shot about Milicas