Here's a couple of very sweet Satoru/Saki/Shun comics at pixiv (no ero though :P):
http://www.pixiv.net/member_illust.p...st_id=32807314
http://www.pixiv.net/member_illust.p...st_id=33801771
(And yes, I'm miffed that Satoru barely gets any attention from fanartists and fanficcers unless Shun is involved. :/ )