I really don't have a lot to say about this game (because, well, this is a demo), but i can say that it is decent visually (maybe you could try making the background images even more shape like, like this or something).
And it has nice music.
Also i got a bit confused when i tried to advance in the dialog because i instantly forgot that it was the enter key (why not make the shift key also the key to advance in the dialog?).