First of all, I replayed with the newly updated version, and wow, the story makes a lot more sense when you don’t accidentally skip the first ten minutes of it, haha.
I did end up getting stuck again and having to go on another game-files adventure to find the brass key, although in this case it seems like it was largely just me being unobservant and thinking “I already checked the (wrong side of) the vanity, so it can’t be there.” My file-spelunking did lead me to find some things I don’t think I was supposed to see yet, but they’ve ironically made me much more interested in where this story is going.
Overall, I really enjoyed this demo, despite some frustrations. It’s a pretty classic concept executed well, with a unique setting and likable MC. I’ve gone ahead and followed you on Tumblr, and I'm look forward to seeing what you guys can do.