Seppuku of the Iron Army

In a distant dystopian future, Kaleb, a frail and impoverished boy, taken care of by his resolute older sister, Kiara. The city they live in shows no mercy, and tragedy strikes the sibling duo. Now, with a mysterious sword fused into his torso, Kaleb is gradually fueled with mystical power. With his new found abilities, Kaleb fights back against the world that has beat him down, renowned as "Seppuku".