Duty: Lost Arcadia

Set on an Earth where mankind is being steadily annihilated by the alien invaders known as the Beta, Project Mikhail lets you pilot a humanoid weapon called Tactical Surface Fighter in the war to save humanity!

A Muv-Luv Alternative Total Eclipse prelude story released alongside the PC version of the Total Eclipse visual novel. It focuses on Takamura Yui's past during her days as a cadet for the Imperial Guard training school. Covering issues such as her interaction with her friends and allies, to her first battle against the BETA and the reason to her attachment to the Type-94C.

As mankind races to create new weapons to turn the tide in its war against alien invaders, Yuuya, a hot-headed American pilot, is assigned to work with a beautiful but cold Japanese officer on a top-secret project. Can they learn to work together in time to make the weapon that saves us all?