User blog comment:Jopjopjop/Volume 19 Quotes / Spoilers/@comment-24098614-20141104025924/@comment-24502975-20141104141018

DxD is already going to be longer than Index Old Testament, and hypothetically Ishibumi could create another story in the DxD-verse centering on the other world, which could compete with Index NT. Not like it matters, anyway. DxD got S3 and Index hasn't so far!