I'm betting this is what's going to happen, really. I can't imagine the storyline going any more complicated - although I would like to see something beyond just a few branching paths.
I could maybe also see the "decisions" part of the game relying on supports
Let's say first few chapters Prince is in Western Arc, then plays next few chapters in Eastern Arc. And he kinda decides based on the total supports, or something like that
And NO more marriage AND children pls