Okay, that was... special. It's really hard to come up with some sort of useful feedback, to be honest. Adding audio sliders at the start could be useful. The only other thing I noticed was that the last sentence from the previous door stays on the screen even when you go to the next door. You could simply set the textbox to empty while the fade to black is happening. Other than that, I really don't know what to say besides thinking that you achieved what you were going for nearly to perfection. Good job on that!