I've seen on amazon jp that they are already releasing CD's for these new IM girls. How good are the chances they'll eventually make a game and/or anime for Cinderella Girls?

The chances are slim, but if the fans prays enough, they just might. A petition might help them get into the game.

I think they could appear on a DLC for IM@S2, but i think we are still quite far away for that. And for an anime, their only chance is a IM@S anime season 2, and they'll could appear as secondaries characters. They won't make an anime just for them. Also, i'm still sad that Kirarin is not on the CD.