Source: Artist is "nigou"
Found using: IQDB
OP posted a low-resolution version. The original can be found here:http://danbooru.donmai.us/post/show/146317
More of the artist's work can be found here:http://gelbooru.com/index.php?page=post&s=list&tags=nigou
I am going to keep posting this until people learn to find sauce themselves.
The link below has a RAR with five illustrated, step-by-step guides on how to find sauce by yourself. This includes single hentai images, H-manga pages, CG set images, hentai gifs and screencaps, and more. Remember that if one method does not produce results, use others before posting source requests to reduce clutter and to stop being a non-contributing faggot.
Torsten's Sauce Guides 08-2011http://www.mediafire.com/?bugu4kjkgkc9bfu