Just finished it. That was beautiful and sweet, yet dark. Cool, I needed both!
After the excellent intro sequence, I wasn't very fond of the first chapter. I was a bit doubtful. But then it clicked and proved to be more profound than it first seemed. One particular character is well written : cleverly gray. You never know what to think, which I like.
Also, the writing is better than usual for a visual novel, I think. The art is stunning and the music is quite atmospheric. Overall, it's a beautiful experience.