I finally have Lala DX 9! Yay! AnS chapter 20 is 40 pages long and according to the preview chapter 21 will be 45-pages long. ZHD chapter 18 is also 40-pages long. I expect this chapter to bring fans much joy :). Chapter 19 will be the final chapter of ZHD and will run 50-pages.
And now to get to work on AnS 20!