User blog comment:Jopjopjop/Volume 18 Spoilers/@comment-23847729-20140704234848

I just thought of something. If Ise were too become a Maou in the future, what will Rias do? Will she stay as the Head of the House of Gremory, or will she go with Ise.

And what do you guys think. If a Lucifer: Rias Lucifer.