While im still unsure of how soon the demo should be done, i'd say before or during october, since i've been working on it on the side while focusing on other stuff like art commissions and personal pieces.
However the demo is only around 5%* of the first chapter, after the demo goes out, i'll focus mainly on this project and put comms and illustrations to the side, not only it's a much bigger chunk to work on, but since it's also going to be worked on with a completely different, more active pace, i can't say anything for when it could become public.
I hope asking this question won't overstep into spoiler territory or anything along those lines, but between those two characters that are journeying together after meeting each other through mysterious circumstances in this VN of yours do you plan to have anything unexpected happened between them involving certain and/or specific kinds of kinks/fetishes that people might take interest in such as vore or perhaps even Mpreg only if there was any kind of motivation to add those kinds of fantasies in this project of yours to start with of course?
While i can't fully answer this question, i do plan on having non-vanilla fetishes/kinks included in the project, and i plan on putting a list of featured for those before every chapter.
Im tempted to say for than that, but for the sake of being cautious i won't, i hope you understand and that it has at least helped answer some of your questions!