I've had that question a few times, and a couple of folk have also asked the same in their reviews on Amazon (thank you for the reviews, by the way!).
Are Peter and Nene going to be left in different worlds and different times, or will they find their way back to each other?
Well, there is a sequel in the works! (you can refer to it on my home page). I must admit I am slightly behind schedule on that, having got a bit tied up with business related-issues due to Covid (i.e., my day job).
But, I am now back on track (almost) - and will let you all know as soon as it's done.
Many thanks for your patience.