As a general rule for IFs here on itch, if it's more than a year since the last update and the writer hasn't replied to any comments since then, you can generally assume the IF in question has been abandoned. Sometimes not for good, if the writer lost interest for a while or life events made it hard to continue writing, there is a (small) chance that that the writer will eventually regain enough interest in the IF to continue or be at a space in life again that is conducive for them to get back to that IF again. But even that is rare at best. So this IF, though promising, has unfortunately likely gone the way of so many other promising, but unfinished IFs here on itch.