This was a lot more expensive than I hoped, but I don't regret buying it. Legitimate "bbw" books are rare, especially those of this kind. The number artists seems to be dwindling as well. Dammit, I miss stigaya...
I scanned these the best I could without destroying the binding. I also had to shrink these to upload, so here's the gallery in higher quality: http://imgur.com/a/jhjDi
I'm surprised to see a seemingly romantic story from stigaya. Well, outside of that one vanilla book they did. I may actually pay to have this translated one of these days.
My editing skills are shit and this is a full color book, so I'm probably never going to get around to editing it myself. Since I don't understand Japanese at all, I don't know if this translation is accurate, but here are the PDFs if anyone's willing to give it a shot or feels like uploading it to e621: