User blog comment:B214/DxD Zero: Sirzechs story/@comment-2003:45:5D00:9D00:8C54:4158:CC33:1FAD-20181009184551/@comment-1359322-20181011134038

Well Volume 4 was still kinda early so Ishibumi probably hasn't plan that far yet with Sirzechs and Ajuka.