ミラー

A captain of the Balbora Empire. Commander of the participants in the advance force that came to Japan. Seeming to have some "special duty" while purporting to be part of the advance force, he takes parallel action.
Actually has both Mirror and the real Yuuki Yamato personalities and memories. Comes to the real world to try to get his body back and to find a cure for Mirror as Yuuki's father was the one who drew the Dengeki Stryker manga