This is a short one so I don't have a huge review :D
The premise is great and the execution works well with what you had in mind for the story.
If you want to work on this further now that the jam is over, you could customize the UI a bit so it's not the standard ren'py one and fits the theme of your game better. I don't know much about design, so I sadly don't have any cool suggestions for that.
From a usability standpoint, it's a bit weird to deny the user an option to quit via the regular buttons, but I understand where you're coming from. It fits the idea behind the VN.
Overall, nicely done :)