“A piece of spaghetti or a military unit,” George S. Patton famously said, “can only be led from the front end.” However, once the heat of battle has cooled and the fog of war turns as thick as minestrone, determining which end was front and who pulled on what can be difficult. Therefore, for the enthusiasts who’ve puzzled over the epic tank battle between the girls of Oorai Girls’ Academy and their Italian...