User blog comment:B214/Question and Answers 3/@comment-67.83.199.116-20140730041849/@comment-24502975-20140730161030

This... isn't really a good idea imo. For starters, there wouldn't be any actual love involved, not to mention the only one he could hurt would be Koneko. And it would be repetitive of volume 11.

I really have no idea how DxD's gonna end though. Since it's going to be a harem ending... why not a full-harem ecchi scene as the finale? It can lead to something more off-screen, especially if Rias and Ise already get married during the story and Ise loses his virginity as well (off-screen of course).