Lagrange: The Flower of Rin-ne

Rinne no Lagrange (輪廻のラグランジェ) "Lagrangian of the transmigration of souls" is an upcoming anime which will air in January 2012. The anime is being produced by Xebec and directed by Toshimasa Suzuki. The series will also have a manga running in Young Gangan.

Story
Madoka is the lone member of her school's Jersey Club. She is one day recruited by a mysterious girl named Lan to pilot the robot "Vox" and protect her city from space invaders. They are joined by a third girl, Muginami, who has a different goal than Ran. Meanwhile, they still don't know their enemies' true goal, or what "Rinne" might be.