>>1477508This is so fucking hot and it's a damn shame there is so little of it. A while ago I found a pixiv account by some guy who does a few pics like that (see attachment). On pixiv there are mostly singular pics but on his blog there are a few sequences, unfortunately the corresponding stories are all in japanese.
http://www.pixiv.net/member_illust.php?id=827072&p=1http://blog.livedoor.jp/kaizou_2/archives/2009-05.html