Muv-Luv Alternative

Shirogane Takeru finds himself transported to an alternate reality.

Takeru starts to feel anxious about whether he can actually make a difference.

Takeru's efforts to change the future are starting to have an effect.

Takeru and Professor Kouzuki have collaborated to create a new operating system for the 207th's Tactical Surface Fighters.

Humanity has been fighting a decades long war against the BETA, using humanoid fighting machines called Tactical Surface Fighters.

An insurrection threatens to ignite a full-scale civil war in Japan, and the 207th Tactical Armored Flight finds their first combat mission might be against other humans instead of the invading BETA aliens.