"The land of Japon has been split in two and thrown into war by two nations, the Empire of Japon and the Kingdom of Japon, who use biological weapons known as "Human Tanks" to fight their war. But now the war between these two has turned into a proxy war [...]

A girl who loved Human Tanks now stands on the battlefield as a commander. The Kingdom of Japon and Empire of Japon have warred for dominance over all of Japon for over two decades. The war grew intense as the Fourth Armored Corps rebelled and declared [...]

To all the Human Tanks living in this world... This story takes place in a place vaguely reminiscent of modern-day Japan. In the twenty years since the first Human Tank was developed, the war raging between the Empire of Japon and the Kingdom of Japon [...]