Gundam Seed: Infinite Destiny

Gundam Seed: Infinite Destiny was a fanfiction series that is a rewrite of Gundam Seed: Destiny and follows the infusion of OCs and Newtypes, following the First Bloody Valentine War the Infinite Empire returns from the Asteroid Field for revenge against the Earth Alliance that chased Newtypes into hiding and Coordinators from Earth, allying with ZAFT and Antarctic Dominion they form the Axis Alliance to bring their reign down upon the Earth Sphere.