I had a great time playing this game. A great start to the mystery and you out did yourself with the art. User interface is okay, but definitely needs an explanation. I almost gave up the first week because I could not figure out how to advance to the next week until I pressed Escape hoping I might find something and I probably mainly did that because I am familiar with RPGM games.
I would suggest when the map is first shown, to ask the player if they want a tutorial and explain how each aspect works. Adding a tutorial icon to the map and letting players know they can review it at any time would also be a big help.