A pilot fighter faces the ultimate test when a catastrophic alien incursion threatens humanity's survival. With conventional weapons proving useless against overwhelming odds, a secret military project deploys its trump card: Daiteiou, a colossal mecha warrior built to match the extraterrestrial threat head-on. The pilot must learn to synchronize with the machine's raw power while racing against time to save what remains of civilization. Every decision carries weight as battles rage across devastated landscapes, and the line between victory and annihilation grows razor-thin. This one-shot packs explosive action and high-stakes mecha combat into a compact runtime. The tone balances desperate tension with the adrenaline rush of giant robot warfare, delivering exactly what you'd want from a sci-fi battle spectacle. Expect visceral combat sequences, impossible odds, and a protagonist pushed to their absolute limits. If you crave straightforward mecha action without lengthy buildup, this serves as a rapid-fire introduction to a larger universe worth exploring further.