User blog comment:Crimson and Darkness/DxD Updates 2~/@comment-27083298-20170929160908/@comment-24502975-20170929192806

^He's saying that there's too many things to do, so DxD will probably go 1-2 volumes beyond the 30-volume prediction. So some of the stuff intended for 24 will be in 25 but 24's still a Koneko/Kuroka volume.

(I think it's safe to say Ise and Vali's fights will stay in 24 too.)