The Kaleidoscope: the essence of Second Magic, containing within it countless parallel worlds. A place where all possible realities exist, where fantasy meets reality. Worlds of Holy Grails, of Masters and Servants...and Riders.

It is now Ancient Mesopotamia, and our heroes know that this is the location of the final Grail, and as it so happens King Gilgamesh is now trying hard to defend Uruk against three Goddesses. They as well as Eiji Hino, Artoria's Mentor Merlin, and a girl that is connected to Medusa named Ana must now help him as they learned about a much darker plot.

Two and a half years ago, he awoke without any memories except one: his name. Now, he has to embark on a journey after the destruction of the world. With few allies and 19 worlds' worth of enemies, Fujimaru Ritsuka has to travel through the Rider Worlds to understand the meaning of his journey and figure out the greatest enemy waiting at the end of everyone's story.

As Sougo, Ritsuka and the others continue their quest, they found themselves in mist-filled London where they met Artoria's Archrival/Archenemy/offspring Mordred and Tsukasa's Successors Shotaro Hidari and Philip AKA Kamen Rider Double as they traverse through the foggy city of London.

As the fight against the Lion King continues, our heroes are now getting desperate at stopping her, with Kouta and Mai noticing that Bedivere's secret is eating away at the latter's mind. Just what is the mystery surrounding Airgetlam as well as Mash's Shield? And how does it all connect to Bedivere and Artoria?

A new, unknown variable has been added into the 5th Holy Grail War. And with it comes not only a battle between epic spirits, but also corporate warfare between the real and the unreal. Are you ready?

Kei Inaigumi, a boy that suffered amnesia in young age and has voice in his head. He searched for his origin and how he became of it. He also has a power of Kuuga inside of him. He was dragged to a battle that will determine his very fate. Will he accept to abandon his happiness for others or to battle only for himself?

Both Kamen Rider and Chaldea Organization will have to team up to save every timeline and the parallel world, including theirs to persevere their future from an unknown extinction. Basically, my take on FGO x KR crossover story. Small risks of OOC.

When Sougo reset everything at the end of Zi-O things didn't go quite as planned. A new world was created. But rejoice, for the King of Time and Space shall stand against the Incineration of Mankind, leading beings of myths and legend to correct history.

(Based in GhostXavier's Fragments universe) A different future, one without lostbelts, falls onto the world. Here, chef Makoto Kazuya dives into the world of magecraft with the power of three Heroic Spirits to fight against the combined Pillar and Crypter threat. (OC Rider)

Just when he thought it was all over, he gets dragged into another conflict. That's just great! Now, he has to help save some World that got iced over by some alien set on creating Another Worlds or die trying. No, the World hates him, he'll survive. Supposed to be mostly crack.

On their next quest, our heroes are now on a seaside adventure as they team up with Francis Drake and Takumi Inui to stop Jason and his crew from going crazy in Okeanos all the while they learned who the true enemy is.

All her life, Medea was met with nothing but betrayal. But when she met the Mage of Hope, her fate changed. Will she finally learn true happiness?

2016… The year of when the world's destruction to an unknown force became known. To combat this, Chaldea was established in a secure location with a plan to stop this predicted future by correcting changes to the world's past. But this plan has brought an indirect involvement of the heroes of the present age along with the creation of Kamen Rider Record, the Will of History. R & R!

On the Holy Land after the ninth crusade our heroes notice something different, there are no Crusaders and Jerusalem is now Camelot. They then meet one of Artoria's Knights Bedivere, as they learn that there is a three-way war between king Ozymandias, the Lion King, and the Hassans. With the help of Kouta Kazuraba, they must stop this war and find out Bedivere's secret.

After 10,000 years the Undeads were once again unleashed onto the Earth, and only four warriors that uses the power of the Rouze Cards can stop them. But they soon learn that mysterious Cards known Class Cards that holds the spirit and powers of legendary heroes throughout history, and left uncheck they would endanger their city, is up to them and two magical girls to stop that.

In their next journey Sougo, Ritsuka and the others are now in Ancient Rome, where they must help Emperor Nero fend off her dead predecessors as well as Lev Lainur Flauros. But they are not alone as Tsukasa's predecessor Wataru Kurenai and others are there to help.

A few weeks after overcoming the Ark and redeeming Horobi, Hiden Kanata is just having a normal life as the CEO of a technology company but soon that will change when he returns to his deceased Grandmother's house.

Awakening in a classroom in a virtual world, Hojo Emu, along with Tenkuji Takeru, must find a way to escape. However, to do so, they must fight the Holy Grail War in the Moon Cell to ascend the ladder and reach the top. But time is ticking before the Moon Cell is destroyed, and Emu must face another threat from within himself...

When you go to take a nap, you don't normally awaken in a world of magic during a death tournament with heroic spirits. A normal person would panic and run away unless you want to be a hero. In that case, go full shounen with a magic eyeball and be the hero you've always dreamed of becoming. Just be careful when bonding with a foxy wife and a purple-haired kouhai.

15th century France is now getting ravaged by dragons summoned by an evil version of Jeanne D'Arc and her army. To combat this the Kamen Riders as well as Chaldea must now team up with the real Jeanne D'Arc and Yusuke Godai as well as other Servants and Kamen Riders to fight off this threat.

Setelah mengunjungi dunia milik sang Raja Iblis, Kadoya Tsukasa mendapatkan misi baru dari seorang yang tidak terduga, Pemilik sihir Kaleidoskop, Zelretch. Apakah misi yang diberikan dan bagaimanakah perjalanan yang harus dilalui sang penghancur dunia?

Gudao and Gudako have always been amateurish Magus. However they held a secret no one in Chaldea knew of. One night they decide to get some late night training in with said secret. One Shot Crossover Story between Fate Grand Order and Kamen Rider W.

During the battles against Daguva Godai finally beat him. However due to result of their fight a portal appeared and teleport him to another dimension. witness as he struggles to make sense of what's happening and adapts to his new home. Chapter 2: Kuuga vs Lancer

When a threat from another world plans to conquer the Human World, Shirou Emiya must become Kamen Rider Saber to protect those he cherishes. Along the way, he will make allies and try to figure out the mystery of his father's death. Can he defeat this new threat and create a Happy ending for everyone?