Miho Nishizumi, a recent addition to Ooarai All-Girls High School, dreams of a tranquil and hassle-free school experience. However, her aspirations are dashed when the school resurrects its tankery program and appoints Miho to lead a team for the upcoming national competition. Battling her troubled history with tanks, Miho grapples with bonding with her quirky teammates. Will Miho conquer the obstacles and excel in the tankery art, or will she be outpaced by the competition?