User blog comment:B214/Question and Answers 3/@comment-4547267-20140923011826/@comment-24502975-20140923165632

Actually that's not what I meant. I meant a girl that only appears for a short time instead of a new permanent character. Elmenhilde was just an example. Although a permanent character who joins DxD (and potentially Ise's peerage and/or harem in the future) would be interesting.