In a barren wasteland where survival is a daily struggle, scarce resources are a precious commodity. Zeppelins transport vital supplies, shielded by daring mercenary pilots flying solo fighter planes. Amidst clashes with pirates and political turmoil, these courageous aviators stand as the last line of defense in this harsh realm. Kylie, a skilled and daring pilot, joins the Kotobuki Squadron led by her childhood friend Emma. With her innate flying prowess, she becomes a crucial asset to the team. Equipped with their Hayabusa fighter aircraft, the six-member squadron undertakes missions to safeguard people, cargo, and societal order amidst the trials of their intricate world.