Side-story taking place between the match against St. Gloriana and the beginning of the Senshadou Nationals. It centers around a training match not shown in the anime, between Ooarai Girls High School and the Maginot Girl's Academy.

In the world, the manipulation of tanks (Sensha-do) is one of the traditional martial arts especially for girls. Miho doesn't like Sensha-do and moves to Oarai Girl's High School. But the chairperson of the student council orders Miho to participate in the national Sensha-do championship.<br><br>

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