Well, I'd love to see a sequel, but preferably without much torture as before, xd.
By my count between Chapter 33 and 45 there are 116 pages and the volume will have 152 pages, so there is a difference of 36 pages, so one can say that he fulfilled the promise that the fourth volume will have more extra material than normal .
By the way, do not think the epilogue will be extremely long, I would say it will be similar to Chapter 45, about 14 pages, and we also have to consider other extras as the 8 color pages at the beginning, the pages with information about stretching appearing between one chapter and another, as this has been the structure of volumes so far.