Finished the game, and it was excellent. Right up there with Kana and Ever 17. I liked Ciel and Kohaku most at first, but as I played, I thought Akiha and Hisui shone through the brightest, and Arc surpassed my admittedly rather limited expectations too (having liked her the least in the anime). The Hisui true ending
I was also rather struck by the rather simple way in which
And the whole situation with Yumizuka is really sad, and also conveyed a nice feeling of "there's something fundamentally nasty around" when played with raging gales outside!
One thing which came up and bemused me; when I experience any sufficiently good story in non-televisual form and come to a good bit, I have a habit of imagining how good it would be if televised. Which I did many times with this. But of course it has a televisual adaption which I saw a few years ago and found rather forgettable. Which is interesting. I'll have to seek it out and rewatch it now I've played the game, get to compare anime and visual novel versions of a story for the first time.