Kirigaya Keiko was a fairly normal teenage girl, smarter than her classmates, a bit short tempered when she had to deal with concentrated idiocy, but for the most part, normal. The problem was her passion for gaming, and the desire to avoid all stereotypes involved with being a female gamer. So she always hid behind her male avatar Kirito, that is until SAO...thanks much Kayaba...

In a land he doesn't know, he is surrounded by things he can't understand. Rules, Government, Weapons, Schooling, even their Goals. They are all unknowns, but so is he to them. Link, and the memories of his friends. But there is one common rule between their world and his. The Unknown has the Advantage. So he will remain just that as long as he can. [Pre-Season 3, Min-Canon Change]

After killing his parents Lelouch made a different decision about world destiny. There will not be Zero Requiem. There will be Emperor Lelouch vi Britannia the conqueror of the world!

Zero Requiem was supposed to be the end. Lelouch died to bring peace to the world. However, his plan had an unforeseen consequence that nobody could have anticipated. Refused the right to rest in peace, Lelouch is forced into a new existence, and back into a familiar war. Parallel Universe. Gender Switch.

Kallen left Japan with her father before the Second Pacific War erupted. In Britannia she found new friends, made a home for herself, and soon came to a startling revelation: deep down, she was more Britannian than Japanese. Events spiral from there. (Has a TV Tropes page!)

Shinji takes just the slightest different action when Asuka offers a kiss... and everything changes. Suddenly, they're no longer alone, and begin becoming stronger than they've ever been before. And from their new bond changes start to ripple out. The Angel War and the plans of SEELE and NERV will never be the same.

Imagine if Lelouch had prepared himself both mentally and physically for his war with Britannia. Lelouch X Harem. Has a TVTropes page!

Since the fateful day he had gone through with the Zero Requiem Lelouch had found himself being reborn across the multiverse, suffering endlessly as Fates punching bag. Eons have passed and now he finds himself in a strange position, he was in a reality very close to his original. Sure, he was a girl now but what did he care? He had Geass, he had followers, he could work with this.

Being forced to carry his innocent sister through a sea of bodies would have broken much older men. For Lelouch, it merely strengthened his resolve. But he was only human, and let his mission slip to one other. Confronted with the possibility of failure and staunch allies in his corner, he swallows his pride and actually prepares himself for his rebellion. AU, harem

When their royal heritage is revealed, Lelouch and Nunnally Lamperouge are forced back into their roles as members of the Imperial Family. As he sets upon a new path, Lelouch faces uncertain alliances, dangerous enemies, dark secrets, forbidden love, shocking betrayals, and a war that could destroy all that he is trying to achieve. Very AU. Lelouch/Shirley & Suzaku/Euphie.

Shirley died. Euphemia died. But the God at the top of the Emperor's Elevator had other plans than giving godhood to the selfish and delusional, to allow this great tragedy to unfold. The two kindest and gentlest souls are thrown back in time with a mission - protect the innocent, destroy the elevator, and save the souls of Lelouch Britannia and Suzaku Kururugi.

She had never understood. Those around her claimed their hatred for the Demon Emperor, but even though she smiled and nodded she felt her heart breaking every time. No one else wished for a reason. Only she longed for the truth and what little closure she believed it would give her. She had never learnt that, sometimes, the truth hurt more. (A Watch the Series fanfiction.)

A year after the Zero Requiem Nunnally brings everyone together to watch two DVDs entitled 'R1' and 'R2'. Every question has an answer, but whether or not they can handle those answers is a question all in itself.

Lelouch thought he'd won, having arranged his own death for world peace he awaited eternity in hell as his reward, what he hadn't expected was to wake up in a small ten year old girls body with no explanation. Bitter, jaded, tired, and lost Princess Luluka no longer cares about saving the world from itself, now she's on a journey to sow chaos for no other reason then that she can.

Suzaku had it rough, he knew it, but never dwelled on it. So when he was ordered to go back to school he accepted it without question, along with the backlash, as was expected. What he hadn't anticipated was his first friend standing up in his defense, expressing her rage with pointed words and violence. Princess Leloucia vi Britannia is angry, and it is time to reap the whirlwind.

The Demon Emperor had succeeded. The world was destroyed, and in the process, saved. However, when he awakens in the World of C, God offers him a deal: Gain a new power and return back to when everything began, back to Zero's birth. They say the smallest of changes to the past can drastically affect fate. Armed with his knowledge of the future, Lelouch sets out to start again.

On one lazy day, a group of Tokiwadai girls decide to try and pick a fight with the Delta Force. How will the three respond?

It all begins with an act of kindness. Lelouch and Tianzi. Spoilers for R2 Episode 9.