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Noemi Kohiyama is a second-year student at Count High School, a school with no established reputation in the world of tankery. Her first match as a tank commander is against Saunders University High School. She directs the crew of her tank with her orders, and she follows the orders of their team leader. At that time, she remembers the words that her senior said to her.
Tankathlon is a new form of tank sport gaining slowly gaining popularity among Senshado enthusiasts. While also involving tank battles, Tankathlon is distinguished by its lack of official oversight allowing any school with tanks to participate in a battle anywhere at any time, and a 10-ton weight restriction on tanks used, limiting battles to light tanks and tankettes.
Side-story taking place between the match against St. Gloriana and te begining 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.
Miho Nishizumi, a new transfer student to Ooarai All-Girls High School, would like nothing more than to enjoy a peaceful, stress-free school life. Unfortunately, her new school just revived its tankery program and enlists Miho to put together a team so that they may compete in a national tournament. As Miho struggles to overcome her turbulent past with tanks, she must first learn to tread lightly with her eccentric companions. Can Miho possibly plow through the challenges and master the art of tankery, or will she get left behind in the dust?
Takes place a few years after Little Army. Emi, who had gone to her mother country, Germany, in order to learn about tanks, returns to Japan in order to keep a certain promise. However, many new experiences await her at her new school's Senshadou club.
Nishizumi Miho has always had a hard time finding friends. As a daughter of the famous Nishizumi school of Tankery—the feminine art of tank strategy and mastery—Miho has been around tanks her whole life. As she begins her first day at Ooarai Girls' Academy. a school with no Tankery program, Miho looks back to when she was in elementary school, when tankery brought friendship and happiness to her. However, while Miho and her three friends share a love of tanks, their personality clashes threaten the team as a whole. Can friendships forged in steel be strong enough to endure the shrapnel of real life?