Mages/5pb. have announced Infinite Stratos 2: Love and Purge. A teaser website for the game can be accessed here, although it only displays an image at this time.
Details on the game—including what platforms it is headed to—are scarce. Prior to this game, the company released the Infinite Stratos 2: Ignition Hearts visual novel for the PlayStation 3 and Vita back in February.