Holy crap this AU was amazing. Such an funny, awesome, and engaging take on the Marimite universe. I'm pretty satisfied with the ending (although the pretend final volume 'preview' does look pretty awesome) except for the fact that Noriko and Shimako never really got to express their developing relationship :P. Intriguingly, however, that h-doujin previewed seems to cover just that...
And luckily enough, the raws appear to be available on a certain site (seems to be futanari though).
(Unfortunately, wow, it looks like hardly any of this artist's considerable other body of work is yuri. I'm gonna be satisfied with just this series and that Noriko x Shimako doujin though, they are one of my lifetime OTPs.)