Don't worry about low demand, just look at all the reactions/discussions when only one chapter (or two) is out.
We -are- in a thread here with more than 5 000 fucking posts! And these posts aren't the usual "when next update lol", but consist mainly of people talking about your characters, what drives them and how they think/act, about the plot with silly and serious theories, etc. Those people are clearly in love with your world and everything in it. I know I am. I mean, it must be the first time I'm inclined to believe people saying they're playing for the plot!
So I don't think anyone will refuse if you wish to launch a commented version. If anything, you'll have to fight off the horde of people asking for it