A teenage boy meets an AI girl built to save humanity, and the show never bothers pretending their bond is anything other than what it is: a kid falling for a weapon that might love him back. The combat itself matters less than watching Kei realize that Gripen has already chosen to die for him, and she'll keep choosing it every single time they launch. By episode three you stop thinking about the sci-fi premise and start thinking about what it costs her to smile at him before a mission she might not come home from.
Humanity faces extinction from an alien threat: the Zai, shapeshifting creatures that dominate the skies and hunt with brutal efficiency. The only defense is a fleet of experimental fighter jets piloted by Anima, artificial beings designed with human consciousness and combat instincts fused into one. Kei Narutani, a young man obsessed with flight, gets recruited into this covert military program after a chance encounter with Gripen, an elite Anima soldier with unprecedented power and a dangerous secret. Gripen is classified as humanity's last resort. She's faster, stronger, and more lethal than her counterparts, but her origins are murky, and her behavior suggests something more complex than artificial life. As Kei joins the squadron and bonds with Gripen and her fellow pilots, he discovers that winning this war might require more than firepower. The mystery of Gripen's creation deepens, tensions between the Anima units threaten the entire operation, and Kei finds himself at the center of a conflict that could reshape what it means to be human.