Just when I enjoy spending normal days with Kanmusu, a new threat has arise from the south. Okinawa has fallen into their hand. But the humanity will not let them do whatever they want. With the cooperation of AAT commander and Maizuru Naval Base, we will take back Okinawa. *First collaboration between @CommanderAAT and me. Attention! This story will not have any connection with our stories. To make it simple, just consider it as side story.