Here's the site where I got it from:
All the way at the bottom of the little doujinshi preview is the download link for the doujinshi.
Or If you don't want to see the little smexy preview, here's the download link.
This aren't my scans. I just wanted to share it with you guys. ^^
The scans are in Spanish. I could understand only a little bit. My lil sis sort of understands Spanish, but I don't think she would want to see this type of stuff. ^^