TheNendoroid puchi of Tita will be available with the limited release of the volume that ends the story of the Sora no Kiseki FC manga. The deadline for this set is on 6/11/2013. If you intend to order it, get your order in quickly!
There is still no word as to whether or not she will continue to tell the story of Sora no Kiseki SC in the manga after this.