User blog comment:Xhatefate/DxD Updates~/@comment-6500068-20150310192626/@comment-24502975-20150310202851

Eh? Volume 7 is short?

Honestly though, I highly doubt it will be 5-7 in a 1-cour. Ishibumi said he was satisfied with how the anime is being worked on, 5-7 in 12 episodes is impossible unless terribly rushed. Would Ishibumi be satisfied by that?

~Already announcing another OVA before BorN even begins airing shows how much confidence TNK has in DxD. With the appropriate budget they'd probably be willing to take the risk of DxD's first 2-cour. That announcement shows that A. They're already making plans for a season 4, or B. They're confident they'll get the green-light for a season 4. They even went the extra mile in the original series to air it uncensored and not use that as a bait for BDs like some other series do.