I had been watching this project for a long while, and it regrettably took me a lot longer than I wanted to actually finish the final update. I am not sure if I had left a comment speaking my mind on it but truly 9:22 was unlike most anything else I had seen on here, and despite the story taking a much different form than I had anticipated, it is practically as perfect as I had hoped it would be. Spoilers ahead in a further review, so do be warned!
All of the characters are very well written, you handled what secrets you revealed when incredibly well, and you made the world feel alive. The dynamics between characters outside of Spencer, and the things that they know that we don't know until Spencer learns it as well is something that was always delightful to see. It is always unfortunate when writers don't keep the world moving outside of the main character, but with the premise of the setting it became crucial to nail how the world progresses when the main character isn't there. Andrew in particular was always delightful to read as he always had more to give in each one of his scenes, recontextualizing both our and Spencer's understandings of the events at stake. Really all of the characters are believable in the story as opposed to just being tools to progress the plot. To get into Spencer more specifically, I am not sure if this was your intention, but as someone affected by DPDR, the cuts between Spencer's casual living and the more dissociative or disorienting points in the visual novel were incredibly accurate in ways I haven't seen depicted in much of any other media. Further, the main question driving the novel regarding Spencer's relationship to the larger cast is such a fascinating dynamic that further suits the lens I had viewed the story, . And even further on that point, Spencer's relationship with the other version of himself is one that was very close to a personal conflict of mine, and while I cannot find the specific quote as of now, Spencer both identifying with and utterly rejecting the "other" version of him was just a delightful take to see in this story.
The concept of the visual novel is also handled extremely well! It is always delightful to see stories take unique approaches to their storytelling, and it was all the pleasant surprise here when the more grounded, realistic tone established in pre-update 0.10.0, was expanded upon into the alternate world, history-rewriting approach seen in the last update. Whenever working with mechanics narratively that alter time or reality in some major way, or other similar abstract effects, it can become very easy to lose the plot or consistency with the non-linearity presented, but you handled the premise extremely well, fully backing up the expectations I had when the story started to delve into the more fantastical elements. It was such a natural extension to the main story that I can't really see how it would have continued had the story not gone in the direction you took it.
Just a phenomenal little story I am glad to have discovered. Fully expect to replay it in the somewhat near future. Excited to see what you make next, and if you don't work on anything else then I hope this comment at least tells you what you probably already know, that you made an amazing visual novel :]