Asemu Asuno and Zeheart Galette stand on opposite sides of a brutal interstellar conflict that spans generations. Once childhood friends separated by war and ideology, they find themselves locked in a devastating cycle of violence as soldiers for warring factions. Asemu pilots the cutting-edge Gundam, humanity's most advanced weapon, while Zeheart commands enemy forces with equal determination and skill. Their personal rivalry becomes the emotional core of a larger war that threatens to consume entire worlds. Memory of Eden strips away the broader narrative to focus intensely on what divides these two men and the impossible choices their allegiances demand. The OVA condenses years of combat, betrayal, and bitter reunion into a concentrated drama where giant machines clash but the real battle happens in hearts caught between loyalty and brotherhood. Viewers seeking character-driven mecha action will find raw conflict here, where childhood bonds collide head-on with the machinery of war and neither side offers easy answers about who deserves victory.