Posted on Facebook, expect some development this fall.
Cast includes Eri Kitamura as Kotone Oribe/Aqua Nana, Suzuko Mimori as Itaru Washioka/Heat Nana, Asami Imai as Asuka Asagi/Earth Nana and the newly announced Chika Anzai as Mako Hiragi/Eleki Nana.
The second screened at Akihabara UDX on April 16th, and, now there are hints for the upcoming schedule.