For Lelouch , He vows to make a better world for his sister, Nunnally. He face something was thought to a myth. A Creature from a long forgotten era. As the whole world prepare for a war with this God. It not the only one out their.

Following Japan's surrender, Lelouch and his sister were meant to be taken into the protective custody of the Ashford Family after parting ways with Suzaku. However the pair find trouble and salvation at the same time as they are taken to another world to escape those who seek the siblings lives with Lelouch and Nunnnally's lives changed forever. Lelouch/Keqing/Kokomi/Furnia/Ayaka

Hanz along with his fellow leaders of Hell have an portal out of hell to seek food and water for their starving and thirsty people of their countries, but had discover an nation ruled by an Emperor and his empire that would want conquer their nation and be part of his empire. Which Hanz and his leaders won't agree too for their will be a war between worlds to decide fate.

After doing Lelouch is transported to the world of AKame ga kill

Everything had been going normally for Lelouch, but then he suddenly finds himself somewhere new. He finds himself in what is supposedly Japan... but not the Japan he knows. As much as he would love to explore the nuisances of this world, he knows he had to find a way home, but first he has to deal with being interrogated by the people in the blue uniforms.

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. Now also posting on AO3.

Lelouch Vi Britannia, alias Lelouch Lamperouge, is a new student at Metropolis High School, hoping to have a fairly decent school life as he fights crime in the city as the mysterious Black Knight named Zero. However, he soon finds out that he might not be the only person with superpowers in the school and teams up with a group of aspiring heroes.

Reincarnated as the second son of Rickard Stark, Lelouch retains the memories of his past life and a fierce ambition to lead the North. With cunning and knowledge, he must navigate the treacherous waters of Westerosi politics while upholding the morals, duty, and honor of his new home

I just thought this series would be funny to them reacted to Nostalgia Critic

Violet Rose is a man with a vision. He shall destroy this world, and create a new and better one in its place. His first step- the liberation of Vale from the iron grip of the Atlesian military. (Or the fic where Lelouch vi Brittania is reincarnated as the brother to Ruby Rose. Watching Code Geass is not required, but there may be minor spoilers for it) The fic has been Re-edited!

Stranded in a world divided by violence and hate, a Raven will stoke the cinders and reignite the fires of resistance.

Kenshiro is sent to a new world but has the same monsters like his world. He will fight to protect the people from Britannia. As will fight his opposite a young boy named Lelouch will the Power of King win or will the Fist of the North Star win. I don't own any of this

(Co-written by Lilpumpkin2000) The Power of the Kings, the Anti-Magic Norma and the ever-evolving power of the Getter Rays. A fallen prince's rebellion, a fallen princess swearing to survive this harsh world and the one chosen by the Getter Rays. Which choices will they make to shape this world?

A new life. Reborn in a world of devils and chess-themed intrigue. After sacrificing everything for a peaceful world, was a Demon Emperor being granted his own personal heaven?

After battling their arch-enemy, the rangers were sent to another world that they must save. With the aid of the Black Knights, they will accomplish this mission.

An unknown enemy encountered during a Refrain bust leads the newly formed Black Knights to a discovery that warns of a coming global catastrophe. The question is, will they be ready in time to face it?

Tanya dies in an artillery barrage on the Rhine Front, contrary to both her and Being X's plans. Unwilling to let his chew toy escape so easily, Being X reincarnates Tanya back into Japan... Six years before Britannia conquers Area 11. (First posted on Space Battles)

Ryley Robinson is dead. He was dead before he hit the water on Planet 4546B. Meanwhile, surrounded and backed against the wall, Zero touches the door to the Thought Elevator and accidentally activates it. Volatile energy lashes out towards everyone as Lelouch's geass begins to go awry, having been kick started. The door to Subnautica's world opens in a show of blinding white light.

"Greetings, humanity, it is I, GOD, the Creator of All Creations, HAS ARRIVE!" One-shot story.

During an unexpected reunion with an old friend Lelouch finds himself in a place know as the Metaverse and after being granted the power of the Wild Card, decides it's time to take matters into his own hands and change the world. (an AU were the powers of Personas exists instead of Geass) [NEXT UPDATE: ch 1 rewrite is Uploaded! next Ch is done]

One was a man who died for world peace after years of sorrow. Another was a man who died in peace after years of war. And finally, there was a man who died in peace after years of regret. Each of them met, brought together by the Force, saw a dark future for their worlds, fought as fire-forged allies, and decided to take action against the darkness.

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.)

Even with over fifteen years of peace between Britannia and the world at large, corruption and evil still seep through the cracks. Ren Amamiya hopes to change this with his friends as Phantom Thieves. The problem is, Ren was once Lelouch vi Britannia - even if he doesn't know it yet - and his past life isn't going to let him go so easily.

Killed on the battlefield, Tanya is given one last chance by being thrown into a world where the power of the king is absolute.

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. On TV Tropes