Jiron doesn't get a tragic backstory to justify his rage, he gets a loophole, and that's all the excuse this show needs to put a kid in a stolen mecha chasing ghosts through a desert where the law itself is a joke. The three-day statute of limitations isn't worldbuilding flavor; it's permission for the entire moral structure to collapse. Watch a 1982 Tomino show decide that revenge isn't earned through suffering, it's earned through audacity, and see what happens when a protagonist just keeps moving forward because stopping means accepting that nobody cares.
Jiron Amos lives in a brutal frontier world where the law operates on a three-day statute of limitations. Murder someone? If you're not caught within seventy-two hours, you walk free. When an outlaw kills Jiron's parents and vanishes into the wasteland, he realizes the justice system has already failed him. His only option is direct action: steal the experimental mecha known as Xabungle and hunt his parents' killer across a desert landscape filled with bandits, corporate interests, and other pilots with their own machines. What begins as a personal vendetta spirals into something larger. Jiron discovers that the Xabungle isn't just powerful, it's wanted by multiple factions for reasons he doesn't yet understand. As he pursues revenge, he collects allies, uncovers conspiracies, and learns that the three-day rule might be protecting something far more sinister than common criminals. The show balances raw action with genuine character development, grounding its mecha combat in a world that feels lived-in and dangerous.