According to Famitsu, Muv-Luv Unlimited: The Day After will be releasing as a standalone series on PC via Steam. Muv-Luv will also be having a collaboration event with the mobage Ash Arms.
Muv-Luv Unlimited: The Day After is a series of episodic side stories that originally released as extras in new volumes of Muv-Luv Alternative Chronicles. At present there are three chapters that have been released with Muv-Luv Alternative Chronicles and a fourth chapter is in the works.
A collaboration with Japanese mobage ASH Arms by developer Cydonia is also coming soon. Characters from the Muv-Luv series will be available to unlock beginning May 18th. Official ASH Arms art for Meiya Mitsurugi, Irisdina Bernhard, and Yui Takamura were all revealed during the announcement.
New developments about the Muv-Luv series are forthcoming as developer age continues their event “ComiFuri: I Don’t Want Dojin Circles to Get Hurt, So I’ll Max Out My Web Event”. This includes the confirmation of an official Muv-Luv anime series.
Current and past livestreams for the event can be found on the official Muv-Luv YouTube channel.