Jean Kirstein would do anything to escape his boring home life and overbearing mother. After enlisting in the military, it became his ultimate goal to join the Military Police regiment and live out in peace and luxury. However, during his time with the 104th Training Corps, things never really go the way Jean wants them to. Eventually, the stolen glory and condescending banter of his comrades become too much—and Jean challenges fellow cadet Sasha Blouse to a battle, in order to determine which of them is strongest—but who will come out on top?