Left (pink hair) is Louise from Zero no Tsukaima, right (blond hair) is Lisa from The Sacred Blacksmith.
Also, I believe the left (pink) poster could be a Kamisama Kaizoku cameo as well (my mind isn't failing me, it seems
.) Need to recognize the other poster, can't quite recall it right now.
And now, for the "what the hell is this crap" tier...