User blog comment:B214/Question and Answers 6/@comment-37165251-20190405180059/@comment-2607:FEA8:20E0:1170:65C6:5A95:6978:EAF8-20190405232320

On April 26 when the HERO BD comes out. There's going to be a translated LN with it. Its confirmed its DxD Zero. If you zoom in and look carefully, you can see the names of the descendent of the Maou,  "Deputy Commander of Malebranche", and Zaoroma Nebiros.