In a barren and unforgiving landscape, survival reigns supreme as resources are scarce. Vital necessities are transported via zeppelins, protected by mercenary crews commanding single-engine fighter planes. Amidst the dangers posed by pirates and political strife, it is the intrepid aviators who provide a vital shield of stability in this bleak terrain. One such squadron is the legendary Kotobuki Squadron, led by the indefatigable Emma. Among her skilled team of six is the gifted and daring Kylie, whose innate talent for flying makes her an invaluable asset. With their lightning-fast Hayabusa fighter planes, this crack unit stands firm in their mission to safeguard goods, people, and civilization against the many challenges of their complex and perilous world.