Harry is sent into the body of an alternate self after learning everything he could on his dying world. He has agreed to discard certain skillsets and experiences in return for a new life. She awakens in Chaldea's Security Organization as an accidental Forty-Ninth Master Candidate.

People of power taken down. A false god shot. A fake paradise eradicated. One would think that for Ren Amamiya, leader of the Phantom Thieves, his adventures were over. However, a blood donation would turn his life upside down as he takes an offer from the Chaldea Security Organization - and once more fight for the fate of humanity.

Shirou Muramasa. Rin Tohsaka. Sakura Makiri. Arthur Pendragon. These four Masters of Chaldea have secrets. They remember their past life and were born with opposite genders. Rin, Sakura and Arthur once part of one (former) man's harem. How will Chaldea respond to the secrets, and how will it affect in resolving Singularities and Lostbelts? Shirou better prepare for chaos!

Though, Arturia had given up on the Holy Grail, her resolve to serve as the protector of England never changed. She with the help of Avalon returned to her by Shirou continued to protect the country that she had once acted as a ruler of. As the centuries passed, Arturia soon found herself in Antarctica to serve a higher role; to protect all of mankind. [AU Warning]

After the grand adventure of Apollo in his past world through a bleached Earth, he suddenly finds himself in a new place, a new world seemingly disconnected from his own in many ways. As a changed man he decides to advance the world in a different more peaceful way.

Synopsis: In an alternate timeline, a college student was suddenly transmigrated into a fictitious world and almost met his demise if not for the same perpetrator displacing him into a another cluster of Multiverse. (Death battle Black adam SI.)

4 mysterious men crash from the sky into the world of Remnant, unaware of their surroundings or why they ended up in such a place. The group must defend this new place from man and beast alike, from Remnant and not from Remnant.

"The work of a man named Lelouch, who donned the mask of a hero named Zero, has yet to be completed. I will finish that work now." From the dark skies of a clear night five years after the Zero Requiem, a new terror descends and burns the imperial capital. A ghost from that terrible age returns. Witness a new age of terror in the Holy Britannia Empire.

A crisis suddenly appeared in Edo Era. Saniwa with his trusted Six Touken Danshi (Sword Warriors) travelled back in Edo period to investigate and solve the unknown crisis. Unknown to them, another group had already arrived and started creating their own army called Chaldea Army to oppose the world's oppressors known as Demons Army for the sake of resolving the Singularity. TimeTrav

Chaldea safeguards the world from all kinds of threats however, with the surge in the number of Servants, it became clear that the biggest danger at the moment are the relationships between these Heroic Spirits. In order to avert this crisis, Humanity's Last Master is assigned a new mission. New cover by my good friend criselda.

Harry wakes one day to find a screen in front of him. He wins the prize of Dimensional Farm, which is a God Rank prize, and knows that he is blessed. So he starts to adjust to having it before he gets another gacha the next day and the day after that. He realizes that the Ultimate Gacha System is rolled daily even as he feels gratitude for it and all prizes, even the common one.

What Happens Behind The Scenes When Chaldea Isn't Tackling Monsters And Gods Daily? Join Sonic And The Servants In This New Slice-Of-Life Story That Follows Their Daily Time Inside Chaldea. In Which They Will Tackle Many Topics While Also Experiencing Many Things As Well. What Will They Discuss? What Adventure Awaits For Everyone? (Not Associated With The Other Story)

Reincarnated into the Nasuverse as Icarus during the Age of the Gods. Will this new Icarus carve his own legend into the Throne of Heroes or end up like he was destined, reaching for the sun… only to fall short of his ambition? (Rewrite) [Self Insert/SI]

This is another story that came about from my explorations of the CYOA genre. But rather than being a geek power fantasy, the entire thing failed before it even began and instead allowed Hades, God of the Underworld to gain a new vessel for his soul after the death of his body, and access to an entire multiverse of unsuspecting worlds. Plus a harem of beautiful women and Servants.

Chaldea Security Organization was founded to focus on preserving the continuation of human history. Until one day it could no longer be observed. Now humanity is facing extinction unless the singularities are repaired. Powerful Gods,demons,servants and other entities await, what human could stand against them. Enter a Son of Sparta to aid Chaldea with some style.

Story in the same universe but following the adventures of OC Drake Bourne.

A Great Evil will come upon the world of Heroes and Villains. To combat this evil of humanity, the planet has selected seven random humans to be the host of a Grand Servants that would be summon to save the world. Lily Lilac, was the poor soul that was selected by the planet to be one of it's Heroes.

"Sometimes, I wonder, why do I even bother? I once asked what is life, but constant struggle? However, there is something across the stars that kept me going, and I understood then, life is not a struggle, but God's gracious gift where we take on a continuous journey that began during our birth, from the past, to the uncertain future that we look forward to. Per Aspera Ad Astra."

He has thrown away his past ideals and yet fate seems to hold other ideas. Waking up from a coffin, Shirou would soon come to face with his past ideals in the form of an organisation called Chaldea.

Shirou ends up in the Grand Order. What does he do? He does his best to survive and make sure the world doesn't crumble around him.

While fighting a new Rogue Class Card, Illya and her friends find themselves at the mercy of 'darker' hands. *This story involves themes relating to macrophilia with a loli giantess. Proceed at your own discretion.*

When a suspicious troll vampire and an all-knowing goddess gives a chance of freedom, Ruler upon the Darkest Plains dares to hope. But there is always a catch, afterall. Neverthless, no catch are bigger than his thirst for freedom... Op Shirou, Different Lore, Expect few other crossover too.

In one Universal Timeline, Ritsuka Fujimaru was drafted to Chaldea, serving a pivotal role in saving the future of Humanity. In another, it got Lieutenant double-yefreitor Harrie du Bois. And the Furies laughed as Fate was sent spinning. VOLITION: We're way over our heads in this one. But the Duty remains. We're here. We're standing. Our legs work, still. So let's walk forward.

Just sharing an idea on what I had in mind, just story draft and a oneshot with open ending.

De los mas desesperados gritos de auxilio, llega el mas inesperado de los heroes.