User blog comment:Jopjopjop/Volume 18 Spoilers/@comment-188.71.212.79-20150312193846/@comment-24.64.83.13-20150314075310

well the first volume of Sekai no Owari no Encore has been completed so maybe he'll focas on volume 18 now.

I might just check Sekai no Owari no Encore out now.