Some pages from complete guide:
http://blog.livedoor.jp/geek/archives/51341116.html (Warning! NSFW ads inside)
http://blog.livedoor.jp/nomuken77/archives/7910724.html
Didn't remember until just now, so this Ayase CG is discarded (or replaced with the one we get with zoomed-in Kyousuke face). I remember saw it on weekly article or magazine scan months ago, wonder if there's more CG that wasn't included on the final version of the game ^^