In a near-future Japan where civilization has regressed due to nuclear war, natural disasters, and corrupt governance. The nation fractures into three, plunging into a new Three Kingdoms era as each vies for supremacy. Aoteru Misumi, once an obscure local bureaucrat, sets his sights on the reunification of Japan. Armed with vast knowledge and exceptional eloquence, he steadily rises. The legend of the man later known as the prodigious strategist begins now.