Ben Tennyson witnessed his parents getting killed by the Empire of Britannia, causing a will for justice and heroism against the empire to be born. One day when he gains a device known as the Omnitrix that allows him to transform into alien beings...the dream of freedom and justice may just come true. But will his good intentions only do more harm than good...?

Lelouch is gifted with a powerful machine, cable of assuring him absolute victory, no matter the odds. However, as with the power of Geass, this machine comes with a price. Can Lelouch master the Gundam or will it, like Geass, destroy him, this time for good?

After Zero's debut, The Holy Britannian Empire thought they could handle him, but they were wrong. Britannia is about to face a new threat; a mercenary nation known as Outer Heaven. Continued! formerly one-shot (Cover made by myself)

Naruto, Naruko, and Lucienne aim to destroy Britannia, in memory of their departed loved ones. The trio trained and prepared for the future war, but their hands are forced when they got caught up in the Shinjuku incident. In response, they start their campaign early to free Japan, only to find that there's more going on, and the world is at stake. AU, OOC, Naru/Harem, Mass-Xovers

Shirley Fenette, Milly Ashford, Rivalz Cardemonde, and Nina Einstein appeared to have stumbled into a secret that Lelouch had been hiding for who knows how long. But they didn't think the secret was anything less than ordinary as they get dragged into adventures of time and space.

Lelouch wreaks havoc

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.

His family died at the hands of a ruthless mercenary. His comrades died at the hands of a 'Goddess'. As the world falls before the ambitions of the Emperor of Britannia, a young man named Leos Klein chooses the path of the Ravens, rogue Knightmare pilots who fight for no master except the best bidder, as means to wage his own war against those who took everything he held dear.

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.

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.

De retour de ces vacances avec ces amis, Naruto vi Britannia apprend une terrible nouvelle. Il s'agit de la mort de sa mère, Marianne vi Britannia. Comme son frère et sa sœur qui ont été envoyés au Japon, Naruto est envoyé en Europe comme monnaie d'échange. Une chose était sûre, il n'allait pas abandonner si facilement ces objectifs.

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.)

An old collab project that I worked on with fellow user Definitely A Sadomasochist (/u/15056021/). It sucks and is currently being rewritten. Feel free to read it if you want brain cancer

When Itachi used the Tsukuyomi it was supposed to give Sasuke more hate for his brother instead, it unlocked memories of a past life now the shinobi world will witness the rise of a demon and the birth of a revolution.

To obtain peace one must be willing to either destroy everything to protect it or the ability to reach an understanding. A young man would reach to stop a war before humanity loses the chance for perpetual peace. To achieve this he needs to reach towards the Heaven's and become something more than what he is to create a kind world. Naruto x Harem

Kallen wakes up as Issei's sister.

Taylor Hebert after gold morning left powerless and raked by helplessness forced to live a meaningless life in Area 11 found meaning and purpose after one night of a return to normalcy (for her).

For seven years, Lelouch vi Britannia has lived in the shadows with a family of mutants. But the exiled prince must come into the light when the Shredder wages war against Britannia.

The Star Wars universe is inhabited by the characters of Code Geass, and their intervention is already changing the known story. Lelouch Lamperouge intends to take revenge on the Republic and the Jedi for his expulsion from the Order. However, he has no idea yet that one of those he intends to take revenge on is his childhood best friend.

In a particularly twisted reality, the machinations of both the living and the dead are confounded as the World of C is slowly revealed to be more than believed. The afterlife soon becomes a new front in the battle for the future of humanity.

He just happened to be at the wrong place, at the wrong time. Now, he has to deal with an immortal witch as his sister. Follow the adventures of Izuku and his three friends as they try to enjoy their school lives while being the outcasts of their school (Updates Whenever)

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.)

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.

Lelouch thought that he would die. That had been the plan all along. Zero Requium, the plan that would bring unite the world and bring peace. For the plan to work, Lelouch needed to die. He had come to terms with his fate; but, then...why was he waking up in the middle of a fire?

What if CC had a friend from another world and summoned after the Fall of the Black Rebellion to help her? Let's how this new masked person who happens to be an actual demon does in the world of Geass. Rated M for Mature, OCS, AU bit, and OC/Harem