Yay this was an amazing find. Just came across it on Fakku! and rushed over hear to share, but someone beat me to it. Its nice to see a GB Doushinji translated. Kinda wish there was more.
Link to Doushinji on Fakku!:
http://www.fakku.net/viewmanga.php?id=6079
Fakku! doesn't have a viewing limit like e-hentai.