Lance Corporal Dương Văn "Frost" An is just one of the many boys who are participating in the American version of Sensha Do, Tankery as it's known, under the organization known as the United States Tankery Organization. However, things take a sudden turn of course when the Japan Sensha Do Federation calls that Tankery in the US and in turn, the United States Tankery Organization should be disbanded, An is thrust into the fight between the United States Tankery Organization and the Japan Sensha Do Federation, to save a sport that has been dear to almost every boy in the US for close to 5 generations and to show to the world, that change can work.

Japanese Sensha Do is a sacred piece of Culture for the people of Japan. it dates back for decades the use of old tanks to teach a young woman maturity, individuality, and independence. however with word of the ever growing popular American Tankery, an American version of the the high cultural Sensha Do, the most traditional of the Sensha Do Federation deem it a heretical act and should be responsible for its dismantlement. thus the creation of a joint war game. on the pacific's own Tomodachi Island both Japan Sensha Do Federation and the American Tankery Association will battle it out in order to deside the fate of American Tankery and Sensha Do as a whole.

After the 68th Shensha-do tournament, the Japanese Shensha-do Federation sees a potential rival in the Western Tankery Federation, and thus, issue a challenge to the West: Comply with Japanese Standards, or fight in a match to either disband the Western Tankery Federation, or to ensure no future conflict persists between the two Federations. (This is heavily inspired by Girls und Panzer: Tankery's End, and Girls und Panzer: A Marine's Experience. This is my first ever fanfiction, enjoy!)