User blog comment:B214/High School DxD EX/@comment-4547267-20150901134401

Okay, more info from Jop

30 years in the future: ____________
 * Seven Maous. Lucifer, Beelzebub, Leviathan, Asmodeus, Amon, Belphegor, Belial. * Out of the four current, only Ajuka remains as a Maou.
 * Azazel †
 * Baraqiel is the Governor General.
 * (For here on out I'll be calling Rias' son Ex for multiple reasons) Ex' red gauntlet is a replica. It is weaker of course.
 * Zen's sword is called Durandal IV. It is a product of advance alchemy to create a new sword.

The cats' personalities are the opposite of their mother's. The white cat is lively while the black cat is "meek".

When the kids saw their parents, they felt like nothing has changed. Not sure but I think they saw them watching a movie. Rias and Akeno are battling either who will rest their head on Issei's lap or the reverse, Issei's head will rest on who's lap.

Not sure as this contradicts Ix/Ixis/Ex's actions on the first part but it seems like Loki is still alive. They need him to undo the curse of eternal sleep on Asia.