Lelouch expected many things after his death. What he didn't expect was to find himself in the war between seven wizards and historical figures. Still, the prize seems nice enough so he might as well take it. Not to mention working with a fellow demon might be a unique experience.

Canonical sidestories attached to A Young Girl's Guerrilla War

The Story concerning the Angel named Angelise who is adored by all of her subjects and the Demon named Lelouch who want to alter the world by annihilating it but their fate and their future was clash as their world are about to change when Titans arrive. (Rated T for which contain strong violence, language and some sexual content.)

The Zero Requiem is complete, now Lelouch passes on, fulfilling his destiny. Or has he. Forced into a new world, he shall take up the Mantle of Zero once more, to fix a broken world. (Rewrite of Zero's Remnant)

Some people would call Lelouch Vi Britannia many things: a liar, backstabber, tyrant, and others when he began his path of revenge. But what if He experienced someone else's life and knows that person's endeavor would make him a better person in life? This is how it Began.

Charlemagne Ri Britannia never knew true happiness as it was ripped away from him. But when the Chinese Federation attacks Japan he would help defend them but it will also give him the chance to take back his happiness. As he reunites with his son Ash Ketchum

A Prophesy Broken, A Command Spoken, A Requiem played, A World Remade. The Power of the Kings shall compel you live in a world of Isolation but shall grant you the power to live. But be warned for you will be compelled live in a with a different set of rules beyond mortal men. Do you have the resolve that is needed to live in such a world? I Lelouch Vi Britannian command you all...

War. Cruelty. Bloodshed. The world is a cruel place. Lelouch knew this from the day his mother died and his sister crippled. Yet, years later, he receives a great power. The Power of the Kings. With this, Lelouch will change the very foundation of this world. He'll destroy it then create it anew. For he's the Knight of Rebellion. For he's The Man of Miracles. For He. Is. Zero! (AU)

The Great War was long over, Heaven had lost and God couldn't accept it. He would not allow his ideals to fade so easily, not after all they had sacrificed. Thus, he enacted a desperate plan as he breathed his last on a desecrated dimension torn apart by war. Heaven needed a ruler more capable than Michael and what better king could the world offer than the Demon Emperor Lelouch.

On some nights, Lelouch vi Belserion dreamed of empires, wars, and revolutions. But for some reason daytime always left him empty- he remained without a heart, and without fate. Almost as if he did not belong here, as if he had no meaning. He walked through life without a heart, searching for purpose. Could Fairy Tail teach him to live again?

When monsters from another world invade from the sea, the world is forced to put aside their own differences in order to meet this fine threat. Lelouch is one of many who sign up for the PPDC to meet this new threat. He and many others have joined the cause, have seen the destruction and death, and have chosen to be the predators, not the prey, to be the hunters...the Jaegers.

Chasing lost Ghosts through a Vex portal, a trio of Guardians find themselves supporting an exiled prince against a human empire not unlike the Cabal. But all must stand together as the Final Shape approaches.

Having been granted incredible powers, Lelouch Parker must now bear the incredible responsibility of having such powers in a world that he currently despises, and against an enemy that threatens all he holds dear.

One year prior to his fated meeting that will grant him the Geass, Lelouch is offered power from a different Source in exchange for becoming a hero for more than just one world. In doing so he finds himself down a path of heroism that he will be anything but alone in walking, yet this path will lead into conflict with foes more fearsome than what Britannia could bring.

To protect his sister and himself from Britannia's politics following Japan becoming Area 11 he made a deal with the Head of the Animusphere Family. In exchange for becoming a master for Chaldea when the time came Lelouch and Nunnally would be hidden and protected. Lelouch travels to Chaldea to fulfill his end of his agreement unaware of what is awaiting him. Has a Tvtropes page.

One day on a hiking trip, the student council from Ashford Academy discover a cave filled with lion and catlike drawings. Within the cave they discover a huge robotic lion that is one of seven pieces to a giant robot named Voltron: the Defender of the Universe. Will Voltron be enough to free Japan? (I own nothing.)

Power was a drug more addictive than any other, and Lelouch vi Britannia knew better than anyone what it was like to have the world in the palm of his hand, to have control and power over the lives of others. Kira must die. [Setting: The Death Note plot 90 years after Lelouch of the Re;surrection]

What if the power of Geass originated from the darkest realm imaginable? And what if those powers were enough to stir a Slayer from his slumber? Rated M for obvious reasons. Enjoy!

Following a strange dream Lelouch gains a weapon known as a Keyblade, but shortly afterwards Ashford Academy is attacked. Nunnally is abducted and he is cast away to another world. Now Lelouch must learn to use it and find allies to save his sister as others begin obtaining the Keyblade setting the stage for a conflict unlike no other. Multi-series crossover. Has a TvTropes page.

In an alternate world without Geass, Lelouch awakens to another power from the Collective Unconscious - Persona. Leading a band of phantom thieves through the Metaverse, he seeks to topple the Britannian regime, stealing one corrupt heart at a time. Featuring the cast and setting of Code Geass, put into Persona 5's overarching scenario.

Nunnally tiene un problema con su novio, el elegido de la llave espada, uno que la está poniendo molesta, pero este no tiene idea de lo que pueda estarle pasando ¿Que podría poner tan molesta a la chica de los ojos violeta?

Kairi pensaba en Sora mientras se preparaba para la boda de su mejor amigo, lo que más le dolía... Era que ella no era la que caminaba al altar.

IMPORTANT: These and all my works here are all posted as one single Work at AO3, i am just Putting them here as their exact Xovers. This one: Kaiserin's Many fates version of A Young Girl's Guerrilla War, AU esque. Omake content level writting at most, you have been warned OG author of A Young Girl's Guerilla War is Redhead in SB and AO3

Lelouch, Nunnally, and Suzaku are teleported into the world of Devil May Cry. What happens when they meet the Son of Sparda?

Written for Zaru. Bismarck Waldstein regrets only one thing; that he has no son. When he claims an orphan boy for his own, the course of history takes an unexpected turn.