Well... take your time :P.
I've noticed some grammar mistake right in the beginning of the game like a word that was missing when Yuuki's mother was speaking (like «are done» instead of «are you done»), a mistake in the word (vitamint instead of vitamin for an example).
For the graphic in the Kirihara mansion, I find it too dark (I was searching Yuuki and found her after putting her under a "lamp"). Inside, the brightness is okay for me but the fog effect seem to bright. Maybe a darker fog effect would add a more creepy vibe to the game :D
In general, the game is amazing :D. I have even finished the demo version (and try out the v.1.00)
Keep up the good work \o/