Overall it's a beautiful game with a few problems.
The visuals were very nice and the music was very relaxing(without it, I might have rage quited, the game's tough). I like the themes of perseverance and never truly being alone.
The things that can most be improved are the wall jumping(it's pretty finicky and most of the time I found myself falling instead of actually wall jumping), and the sections where you had to jump to an offscreen platform were pretty annoying.
One thing I would suggest adding is some form of collectables, that would probably be a fun addition to this game