Things happened about half a century later, in 2061 AD, Japan had become a deployment country for other countries. Being ruled by a powerful country, the world at that time had been divided into four major economies, and together they divided up the global economy, and Japan also became a national of a subordinate country because of its underdeveloped economy. The status of the Japanese is not high, so the status of the Japanese is not high, and they are bullied every day. The biggest weapon invested by various economies is anin. In Japan, it has become a useful machine on the frontline battlefields in the world. Haishi Shiiba is a boy who likes machines very much, especially mechs that fight autonomously. One day he met artificial intelligence by chance, which can think independently. He used this opportunity to join the battle and wanted to regain the dignity of Japan. In the end, he drove the fighter plane he assembled himself, won the war, and successfully liberated Japan