Arisawa Hiroshi

300 years after a great conflict between Earth and Mars known as the "Calamity War," a woman named Kudelia sets out on a journey to Earth to speak for the independence of the Martian city of Chryse, which is under the control of the Earth government. Escorting her are members of the private security company CGS, Mikazuki Augus and Orga Itsuka. When a group named Gjallarhorn…

The Earth Sphere had lost its previous governing structure, and a new world was created under new systems of government. While a temporary peace had arrived, the seeds of a new conflict were being sown in the Mars Sphere, far away from Earth. Source: crunchyroll

Cosmic Era (C.E.) 70, the "Bloody Valentine" tragedy escalated into a war between the Earth Alliance and ZAFT. It became severe. Making many sacrifices, they achieved a truce after the second battle at Jachin Due. However, this truce didn't subdue the conflicts between Naturals and Coordinators completely. During the war, Shinn Asuka was involved in Earth Alliance's intrusion…