Lelouch Vi Britannia, prince of the Britannian Empire and secret identity of the Black Knight's commander Zero, spent immense efforts in an attempt to topple the regime of his father, Charles Zi Britannia after the death of his mother and the blinding and crippling of his sister, Nunnally vi Britannia. He turned the uncoordinated members of multiple Japanese resistance groups into a fierce force using the manipulative power of Geass, which allows him to control any person he makes eye contact with. He was given this power by the mysterious C.C. (said C2) who is a clever, green-haired girl.
Lelouch eventually managed to bring the forces of the Chinese Federation under his power after a brutal coup d'etat, in the process gaining a large following of other nations who wished to fight Britannia. After stopping his father's plans to change the world by eliminating lying completely, Lelouch took his mantle as Emperor of Britannia, with his childhood friend and once bitter rival Suzaku Kururugi as his personal bodyguard. Lelouch, now known by the leaders of the Black Knights to be a fraud, a liar and a manipulator, uses Suzaku rather than the power of Geass to take control of the United Federation of Nations, thus showing that he is more than a match for anything his opponents can come up with, as Suzaku controls what is easily the greatest Knightmare on the planet, and while under Lelouch's control to "LIVE!" he is able to channel the command into fighting prowess unmatched by any other.
During his rule as uncontested ruler of Earth, Lelouch abandoned all of his previously indicated morals, arresting every member of the Black Knights that he could get his hands on, publicly executing them for their dissent. The world quickly resented Emperor Lelouch, and he knew this. One day, while transporting Kallen Kozuki (Lelouch as Zero's personal bodyguard) and other Black Knights for execution, with Nunnally in chains and little clothing below him, Zero appears. The crowd shocked, Zero moves with a speed rivaling a Knightmare frame's, easily avoiding Lelouch's personal guard and stabbing the Emperor through the chest with a sword. Lelouch tumbles to the floor, his plans being realized by Kallen and Nunnally, who are heartbroken that the person who meant the most to them would go so far for the sake of world peace.
Once Empress Nunnally was coronated as Britannia latest Empress, she immediately began peace negotiations with Area 11, beginning by returning Area 11 to it's original form, of Japan, allowing them independence of Britannia, and offering to assist in rebuilding Japan, in exchange for an alliance with Britannia. Suzaku, in disguise as Zero, Leader of the Black Knights, even brought forth, the suggestion of Britannia stationing a small detachment of Britannian troops in japan, while The Black Knights also stationed a small detachment in Britannia's capital, to show each others new found friendship. On the surface, things were flowing smoothly. However, often times, such deep scars as war, are not so easily forgotten.
Many Britannians still believe themselves above the Japanese, or as they still lie to call them behind closed doors, 11's, despite Empress Nunnally emphasizing how Britannians are no greater than any other. To drive that fact home, Empress Nunnally has been very strict on her laws against discrimination, and racism, even going as far as stripping nobles of their nobility, as punishment for acts of racism. As such, few nobles now voice their opinions on the Japanese. However, this doesn't stop the Britannian troops from often times antagonizing The Black Knight detachment stationed at the capital. This information has often made it's way back to Japan, and angers the Black Knights that their Comrades over in Britannia get treated so, despite the Empresses efforts to prevent such incidents. This has often led to the Japanese in Japan to act in a similar fashion to the Britannian detachment in japan, which in turn makes its way to Britannian forces in Britannia, thus angering them, creating a viscous cycle. But those were only the beginnings.
Many in Britannia feel that the Black Knight troops stationed in the capital, are one of Zero's elaborate plots, to attempt a coup d'etat against Britannia. At the same time, the Japanese believe that the Britannian Empress is positioning her enemies to attack Japan, just as it lowers its guard. More conspiracy theories began cropping up, but all were unfounded, often being formed from nothing more than one factions dislike of the other.
For years, this went on, tensions kept at a relatively low level, by each factions respective leaders. But then, the Black Knights faced an unforeseen event. Zero, once again, vanished without a trace, leaving Kallen as leader of the Black Knights. This shook the Black Knights, some even voicing their beliefs that Zero had actually been assassinated, and was being covered up, with the story that he left of his own free will, leaving Kallen as the leader. A few even challenged Kallen for leadership. However, after a few months of chaos among the ranks of the Black Knights, order was returned, Kallen still holding her position of Leader of the Black Knights. However, conspiracy theories still remained, making Japanís and Britannias peace even more stressed.
And from the chaos among the Black Knights, several higher ups in Britannia began worrying about an attack, from some of the more anti-Britannian members of the Black Knights. Which caused some of the more anti-Japanese members of Britannia to increase their attempts to ostracize the Black Knights stationed in the capital of Britannia.
And so, years passed, after Zero's disappearance, and tensions continued to rise imperceptibly , as each faction restrained their thoughts of the other, as the Leaders attempted to keep mending broken bonds. Japan has become greatly fixed, over the 22 years, many of the regions that had been lowered to rubble, now looking as they once did before Britannias initial invasion. However, Japan has decided to leave the area surrounding the site of the first F.L.E.I.J.A. Warhead, as a monument to those that lost their lives, whether willing or not, during the time of Japan's war for freedom, and the trials it faced.
Knightmare Frame development has all but ceased, with no new research being conducted, nor any new weapons undergoing testing. At most, the only form of new Knightmare Frame that has been done, has been from those wealthy enough, ordering a custom made, or modified Knightmare Frame, though, often times, it's meant more for decoration, than for actual use.
As it stands, the most threatening force for either faction, is those that break from the ranks to lash out at the other side. However, these are dealt with swiftly and efficiently. It seemed the world had reached the greatest level of peace that could be achieved at this point, with no threat of open conflict from either faction.
However, a force forgotten to all, but those who played an active role in his story, has returned. He appears all over the world, at the exact same time, his mask and commanding voice bringing back good and horrible memories. His name: Zero. Arriving in a spectacular fashion, much as the last Zero, with dramatic flair, with a proclamation, that will shake the world.
Now, new heroes, both in combat, and on the field of diplomacy, must arise to face this new great and powerful threat. However, can the Black Knights and Britannia put aside their pasts, their love, and hate, as well as their memories of each other, and this all too well known foe, for the good, of the entire world?
The Zero Requiem Has ended. Nunnally was given the Britannian Throne. Kallen, assumed leadership, of the Black Knights, upon Zero once again, vanishing into the shadows. 22 years have passed. Britannia and japan, now share a somewhat stable friendship, more only from the friendship of each respective factions leaders, Nunnally and Kallen. Over these 22 years, Japan has been rebuilt, leaving only the site of the First F.L.E.I.J.A. warhead, as a memorial to all of the lives lost, to liberate Japan. The end of the Zero Requiem, is Celebrated, with it's own Holiday, known as 'The World's Requiem', and is celebrated worldwide. A Ceremony is held, every year, host By Britannia's 100th Empress Nunnally, and Leader of the Black Knights, Kallen. Every year, Both of these political titans, gives a speech, commemorating those, who gave their lives. As payment, to those who did give their lives, to liberate Japan, Every year, A Knightmare, of one War Hero, Decided at random, is reconstructed, to offer tribute to that Pilot, as well as a symphony piece is created to be played during the ceremonial speech, to commemorate, the rest of those valiant warriors.
Today, is the day Of the World's Requiem. Many Britannian Nobles often attend, to appear un-biased against the Japanese, for the Empress. The truck, has pulled up, that held the commemorative Knightmare. Nunnally has finished her portion of the speech. "I now turn the next portion, Over to leader of the Black Knights, Kallen Kouzuki." Nunnally Said, before having her wheelchair recede away from the microphone upon the stage. Kallen stood, and approached the microphone, it raising on its own to meet her. "To begin with, I would like to Commemorate our next War Hero, the Enigmatic Liberator, ZERO. Although he survived Till the end of the Zero Requiem, by killing the tyrant Lelouche Vi Britannia, and thus securing world peace, and then providing assistance in the Revival of the World, before his mysterious disappearance Ten years ago, The world was at a loss, from the assumed death of a great war hero, We Bring forth this Knightmare, A replica of ZERO's personal Knightmare, the-"
Just at that moment, a large smoke screen, which quickly rose up into the sky, surrounding the entire truck housing the Commemorative Knightmare, as Mechanical noises were heard from within the Smoke cloud, as Sounds, of some machine turned on, and then a shock wave of air, began dissipating the column of smoke, as Suddenly a Knightmare flew out of the top of the smoke Stack, before Flying straight out into the center of the F.L.E.I.J.A. site, before turning around to show it's True Form.
Just then, a voice came from the Knightmare, amplified through to speaker system of the Ceremony. "Assumed Death? Do you think something as trivial as 'Death' is something that would stop one such ZERO?"
Kallen and Nunnally wore faces of confusion, all through the Knightmares appearance. "What the- That's Not- Who the Hell are you! And what is that Knightmare?!" Kallen asked, astounded that a Knightmare that had never before been seen, now stood in front of the World.
"Do you not recognize my voice, Kallen? You, who aided me, from the very beginning, has forgotten me, in such a short time?" The Knightmare spoke. Just then, the cockpit opened up, as Zero stepped out, to stand atop His Knightmare. "World, Know this! Your 'Hero' ZERO, Has RETURNED!" Zero announced, flaring out his cape in a dramatic fashion.
Nunnally and Kallen were astounded. The one man, they had thought dead, for the past ten years, assuming he would never return, now stood before them, atop a new Knightmare, addressing the world, as he once did before, in the Very beginning, upon announcing the creation of the Black Knights. Nunnally seemed on the brink of tears, a mix of confusion, shock, and happiness, across her face, as Kallen's face suddenly became a visage of rage. "Yooouuu...."
Just then, a Knightmare that had been guarding the platform where Nunnally and Kallen stood, an Akatsuki model Black Knight Knightmare suddenly charged at the King Arthur. Zero simply slowly stepped back into his Knightmare, as suddenly, from the base of the Crater, Another Knightmare frame erupted up from the ground and flew straight up, seemingly faster than the Guren Seiten Eight Elements, to simply wrap it's arms around the Knightmare, about 75 meters away from the King Arthur, and a Hundred meters away from where Kallen and Nunnally stood atop the Platform.
The Akatsuki pilot began spitting out obscenities, as his Knightmare was suddenly held in place by this new curiously shaped Knightmare, When Zero interrupted him as well. "World, hear me, and hear me well. I have found the hiding sight of the Damocles, along with it's storehouse of Fleija Warheads, and have mastered the power of the Fleija." Just then, the King Arthur drew a semi rifle shaped weapon from the back of it's hip, as it extended to it's full length, and aimed the Gun at the pair of Knightmares. "Witness my power. Bastion, you serve your King well, in your duties as Rook." Just then, The King Arthur fired the weapon, as a small missile flew, to hit the Bastion in the back. At that moment, a large pink sphere instantly enveloped both Knightmares. "Witness, My control of Fleija." As suddenly, the sphere suddenly shrunk, followed by a shock wave of air, from the explosion, of this sphere. "World. You have just witnessed, the first launch, of the Mini-Fleija." ZERO announced, as the smoke cleared, to Reveal the mysterious Knightmare, the Bastion still floating, completely and utterly unscathed from the Fleija, whereas the Akatsuki Knightmare, is nowhere to be seen. "Witness this example, of My power. And Bow, before your New Ruler And King, ZERO!" Zero announced, The King Arthur raised its arms, as ZERO would with an announcement of such magnitude, that would Shake the foundation of the world.
Kallen's face was one of utter disbelief. Not only, had Zero returned, He arrived, with not one, but two, completely knew Knightmare's along with a weapon of such accurate but devastating power, as well as A Knightmare that could be at the very core of a Fleija explosion, and come out completely unfazed, It was just all too much for her to accept and understand. "You... You are Not ZERO!!!" Kallen screamed at the Knightmares.
"Kallen, ask yourself this; Who else, has the mind, to plan, arrange and execute, a plan, such as this? I, for one, find your lack of Faith disturbing." Zero then began to slowly spin, addressing the rest of the camera's surrounding the Fleija Site. "World, I, ZERO, have returned, Now the Master of Fleija, and soon, ruler of those who wish to serve, and eradicator of those who oppose. I will eradicate this world if I must. However, not all shall face the wrath of Fleija. Those, who come to serve me, shall be spared from Fleija, and will live to see a new world order!" Just then, The King Arthur turned back to Kallen and Nunnally, and put its hand out, as if offering a hand, just to Clench it's fist. "WORLD. ZERO commands you: KNEEL... Or DIE." Just then, Both Knightmares flew off into the distance, past all the Knightmares who guarded the perimeters range before they could react.
Kallen glared in the direction, that the Knightmares flew off in. "Nunnally... We face something, once more... This time though... It is a far worse opponent, than mere Fleija..."