Oh hell yeah! Omoito Zwei! And ain't that Shanghai an unmatched cutie!
Mmmm... but this was supposed to be released in the Reitaisai, which was sadly cancelled. At least Morino Hon seems to have endured the earthquake safely, judging by a picture posted on March 15. I'm glad.
Ehh... in general at least I don't think there is a problem with having doujin uploaded in of itself (TOS concerns aside of course) but I don't really see the point of uploading something already translated and freely available to all.