[Kamino Ryu-ya(上乃龍也)] Deka Chin Deka Chichi x Dousei Gekijou (デカチンデカ乳?同棲劇場)[2009-09-20]
From: [Kamino Ryu-ya(上乃龍也)] Itsuchau？ x Itsuchau (イッちゃう？?イッちゃう)[2009-09-20]
http://www.megaupload.com/?d=N7TH9434
From a well known hentai author by now, first was on Bishoujo Teki Kaikatsu Ryoku and Megastore & H, now is on Penguin Club Sanzokuban. Both also focusing on the other side extreme as the title suggests.