I've just decided to check out this game and i was VERY pleasantly surprised.
Judging by the screenshots, i had a bad impression about the models, but the guy actually knows how to setup a decent render. Nice lighting, no ridiculously high FOV, and tasteful application of DoF. And, to my surprise, the game actually haves a decently designed UI! Most of the games in development either badly disregard or are really amateurish on that aspect, and boy, does it make a difference. Big Brother and Dreams of Desire are also very good render-wise, but the interfaces are ... just awful. Visually speaking, i think this is one of the best made games out there (the models DO need some work tho, there's something... off). Not to mention the dual-history approach is quite fresh and original, even if personally i think playing as the sister would fit better the theme.
But those are just minor issues. The only real complaint i have is that it's way too short yet. Hopefully time will solve this particular problem.