Earlier Minna has said that Adventure 2 will be somewhat shorter than A1 because there is no prologue and also no need to introduce the characters etc, maybe 300 pages or so shorter. So there shoud be at least close to 300 more to go. We’ve been getting here for about 2,5 years, although that was slowed for the LP process. So, I would say at least anout a year to go, if she really will go through the original arc.
Even if not, it’s still likely to be several months. It should also be borne in mind that SSSS is her only work and living at the moment, it wouldn’t be very feasible for her to just stop out cold even if she wanted to. I very much hope it won’t come to that, because if she were working just because she has to, there would likely be a dramatic quality drop far beyond what we have seen now.