It looks like a dime a dozen to me. I don't think the plot appears to be really existent and the CG looks pretty... common... There's literally hundreds of games, novels, and similar things you could pull out that look like a carbon copy (or something close.). It appears there is a game, but with some of these novels it's hard to tell the difference until you actually crack it open.
It looks like if you're really interested there is a thread on hongfire with a CG collection: