マブラヴ オルタネイティヴ トータル・イクリプス 帝都燃ゆ

Takamura Yui's past during her days as a cadet for the Imperial Guard training school. Expanding upon the first two episodes of the anime, it covers issues such as her interaction with her friends and allies, to her first battle against the BETA and the for reason to her attachment to the Type-94C.