AIM INNOVATION started the pre-registration event of the next Miri Hime (Militärische Mädchen) game the ~RELOAD~ in Japan. The new title release in 2017 February as a new free to play PC browser game and with the registration you will get extra gatcha tickets to roll out more rare and powerful characters and an extra miliatry princess Gorian.
You can pre-register using this link: http://www.nijiyome.com/game/MilihimeRe