The Legend of Heroes: Trails in the Sky(2011)

The Legend of Heroes: Trails in the Sky is a Japanese RPG series following Estelle and Joshua, adopted siblings training to join the Bracers—an elite organization that protects the Kingdom of Liberl through magical craft. A decade after the Erebonian Empire's failed invasion, peace remains fragile. When their father Cassius, a war hero, mysteriously disappears aboard his airship, Estelle and Joshua take matters into their own hands, launching a dangerous rescue mission. As they travel across Liberl, the siblings uncover a conspiracy that threatens to reignite the empire's ambitions. The series blends tactical turn-based combat with a richly layered story exploring friendship, duty, and the cost of war. With its engaging cast and intricate world-building, Trails in the Sky establishes the foundation for an expansive narrative universe.