Wow, this demo is really amazing! Thanks to YouTube trailer now I am here and want to see the full game as fast as possible. Kinda sad the demo was released not so long ago so it's time to turn on my hatiko mode(((
And I should agree with all guys in previous comments who talked about voices needed in this game. Now it is just 10/10, but when the characters speak It definitely will be 100/10.
Also I was wondering if you are going to translate the demo (and maybe the whole game in the future) to another languages? I was lucky to play only because I know english, when my fellows from russian fandom are usually bad at reading visual novels with tonne of text in different language. If you decide to make a localisation I would be glad to help with russian one. I believe It's the same for all players of your demo whose native language isn't english.
Thank you for your hard work!