An experiment gone wrong, or possibly right? A nascent Kaleidoscope opens his eyes. A Fate/DxD/Multicross story. Thanks to TheMadLad for the cover image.

In the middle of a possible Stray hunt, Rias Gremory accidentally ended up with three marks on her hand due to activating an unknown spell. After researching them, she discovered their use of calling forth a possible familiar. But what came from the summoning was a familiar that not even a Devil could have ever imagined.

He was an anomaly not meant to be in this world. Using his newfound power he received in this world he seeks further strength to live his peaceful life. But fate is irrational and he is dragged into things that he doesn't want any part in. [Self-Insert, Human MC, and Slight Xover] This is my first time writing a story so please bear with me. Thanks!

A random loser is grabbed by a ROB, who offers to reincarnate them in another world with powers and abilities. Can a gentleman (Self Proclaimed) survive in the world of Dragons and Perverts? Well first thing first... WHY AM I A GIRL?

Trihexa is known as The Beast Of Apocalypse and many other titles during her reign of terrorism. But she was sealed for a millennial, till the modern times, as God passed away and she has been unsealed since then, and now she's running loose, wanted by the three factions. But during her survival against the factions, she meets a boy that soon will change everything...

In a world where all can be real, what does it mean to be human? What is the meaning of humanity? A meeting between a human and a devil will have them discovering the truth while chasing their dreams. My take on the combined worlds of Fate and DxD with characters from other franchises if they can be adapted to it. Harem.

After dying in her fight with Darius, Chloe von Einzbern (Kuro) is reborn in the world of DxD as the sister of Issei Hyoudo. What is her role in this new world, why did Zelretch Schweinorg send her to this world, and how many girls will she kiss!

The kindness of a man who wished only to be normal. The determination of a man who wants only to better his race. The arrogance of one who dictates life. A boy who desires to live his ideal life. Stories of suffering and parting, stories of love and hope. They shall all converge on their pilgrimage that is life.

Being whisked away into a fictional universe that you're familiar with, granted some pretty nifty powers to help out along the ride? Great! Finding yourself stuck in a three-way between conflicting universes that all seem to hate each other and anything resembling weakness? Not so great. Oh well, Cayman always knew he was a bit of an outlier, this just confirmed the trend.

Rias Gremory was enjoying a normal day living her double life as a high school beauty and a Devil, when three marks appear on her hand. After discovering that these marks are designed for the purpose of contracting a powerful familiar, she eagerly goes through with the ritual she learns. What she summons though, is a kind of familiar that not even a Devil could ever have imagined.

(Remade version of Fate DxD) Two childhood friends meet once more but under different circumstances. One is the heiress to a Devil family bloodline. The other is a hunter of the supernatural. What twisted form of Fate would draw these two together once more? Probably has to do with the weapons made by God. (Rated M)

IT is just a soul amid nothingness, searching for salvation armed with a sincere desire to protect others makes IT enter the supernatural world of gods, angels, and demons. Whether IT can change a future filled with destruction, only The Root knows for Its answer.

Issei Hyoudou will now be given a new path, thanks to a certain troll, while gathering servants and ally’s to combat the forces of the Supernatural World in order to defend Humanity, even against those who pretend to be heroes but are just as evil as the real monsters who live within their world. There will be romance! Drama! Lemons! And action! Let’s see if our heroes are ready.

Shirou only had the best intentions that night he chose to cast aside his ideals. Now trapped in a strange world where Gods, Angels & Devils run rampant, he's about to learn just what kind of road said intentions have built...provided he can finish his second year without accidentally kick-starting another Holy War.

Issei agreed to help an old man with his request but he didn't expected to become an adoptive father at end of fulfilling the request.

When things don't go as the way you envisioned, all you can do is to move forwards. Fujimaru Ritsuka knows this better than anyone. After being denied her death, she can do nothing but to continue living and hope for the best. But in meantime, transversing between parallel worlds and mess around with them sounds like a fun thing to do to kill some time.

Shirou had always been an odd child. Chasing a past he couldn't have lived through, yearning for dreams he couldn't have had and missing people he couldn't have known — Kōsetsu Shirou struggles in vain to navigate a world where the supernatural is natural. Some mysteries, however, are beyond even the Devil's grasp; Truly, reincarnation is the greatest of punishments.

Emiya Shirou, has perished, or did he? After unleashing his final attack against all the evils in the world, he thought that he'll never see the light of day again...but he did, in the body of a teenager with no talent, Issei Hyoudou. Read as how Emiya Shirou would traverse the world he suddenly found himself in, defeat all the evils that'll come his way, this time, as a real hero

Shirou lands outside of an abbey, heavily injured and on deaths door. Luckily a holy maiden was nearby. After recovering, the pair end up saving a girl with cat ears from devils. It appears, that no matter where he is, Shirou is destined to get dragged into matters beyond his control. (Partial Rewrite to streamline and clean up the story.

Something that should not have happened and could not have happened. Was it Karma's fault? The plans of some deity? Is there something more sinister at work? Is it pure chance or something more? Is there anything else? It's a conundrum. It's a possibility, but in any case, we're stuck together, and I'm not letting go like a good older sister should!

Issei Hyoudou's life was changed one summer when he was wisked away to another world. Now he's back and has an army to back him up. What will become of his life when he has an unexpected encounter in his own hometown?

Shirou Emiya has had an interesting time adjusting to the world of his new king, Serafall, but not a terrible time. That is until a spell gone awry brings a different, and far more irritable, Issei Hyoudou into the fray. Will they get along or is a giant mess in store for the both of them? Either way it's gonna be quite a time for the world caught in the middle! GAIWP x ADLH

Fate is a fickle thing. One Issei Hyoudou a normal teenage pervert thrown into the supernatural must survive with the help of Flower of Olympia by his side. (Genderswaps)

Our protagonist was reading a Fate x DxD fic when he suddenly woke up inside the body of King Arthur from Fate in an abandoned church. He has a System and can collect Servant Cards from around the world. At first he was overjoyed to be living his dream, but he quickly finds out that this world isn’t as kind as he thinks it is. As mythological figures clash, he tries to survive.

A warrior that would go out of his way to save others... perished with a smile in his face, as he witnessed first hand, that his legacy will be carried on, 1000 years from then. Watch as our Protagonist and his servant of Arthurian Origin, traverse the world, and defeat foes that would bring harm to those around them, and hopefully, fix some unsolved "family issues".