User blog comment:B214/Question and Answers/@comment-173.25.192.134-20131206030019/@comment-1359322-20131206042903

I think he meant Volume centric. Oh well it'll probably be like this:


 * Volume 1 - Introduction (Issei, Rias, Asia)
 * Volume 2 - Rias
 * Volume 3 - Yuuto
 * Volume 4 - Gasper's intro + Akeno and Issei's relationship.
 * Volume 5 - Koneko (relationship) + Sitri Team.
 * Volume 6 - Asia
 * Volume 7 - Akeno
 * Volume 9 - Issei (Trianna)
 * Volume 10 - Issei & Rias + Sairaorg
 * Volume 11 - Occult Research Club
 * Volume 12 - Issei, Yuuto & Vali.
 * Volume 14 - Ravel
 * Volume 16 - Gasper