The AI -> Pixel backgrounds also have really nice palettework & drama to them, whatever your process was, and you have a nice variety of Kchars.
It all serves the premise and seems to carry pretty well. On that note... I suppose it may be part of the nature of this game, that we don't know how low the sister Anne's situation went (run off and fall into trouble, catch a better break but never surface to family, suicide?), or even just exactly what the narrator's next moves are, either.
In a way, that might be more of the choice one has, then the 'be pushy or resigned or 'reasonable'' choices that all end up leading to the same revelation.
Music works for ambience, except the chip is just a bit too shrill for ongoing listens.