In the year 2024, when the nations were exhausted from the fourth world war, the American Empire called the deployment of UN troops to the Peninsula where internal conflict still continued. That action triggered Self Defense Force Deployment—the first time leaving Japanese territory. The American Empire started its resurrection as the world’s dominant power by using the deployment as a way to obtain excavation rights to the Uranium mines in the Northern Peninsula from the Unified Government. Japan could not refuse the UN, considering how enthused it was about wartime military procurement. Thus, this became the first trial for the SDF, which has been able to avoid actual combat throughout two world wars, aside from the recapture of Nemuro. The Prime Minister at the time, fell to a terrorist