This is one from a series. This one can be found here:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=18065136And his second one with the same character can be found here:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=19433797First one's her stripping a bit too much, the second one,s a sort of reassembly or something. If only someone could translate them...