Before caster managed to summon assassin someone else did. Some other magus has entered the holy grail war. Summoning a forgotten assassin as her servant after hoping for a saber, truly what a horrible day this was for her. PS: this is my 1st fanfiction.

"Would you like to spend the night with me?" With Rin and Sakura gone for the weekend, Rider makes Shirou an offer he can't refuse. SMUT warning

This is a collection of short chapters on an idea that refuses to leave my head. A reincarnation story into the Nasuverse. The chapters are rather short, but I intend for the story to be long. Rated M just to be safe.

News flash! I'm a dude from the 21st century with amnesia, somehow reborn into some baby named Iphicles. Oh, my sister is named Alcides by the way. What can possibly go wrong?... I hate my life. (Reversed gender; Big sis Heracles, young brother MC, NOT SI)

Emiya estaba preparado para ser invocado por Rin como siempre lo había hecho y enfrentarse a las mismas personas de siempre; Sin embargo, no esperaba ver a otra chica totalmente diferente y conocer a distintos tipos de servants. "Si alguien tiene la culpa de esto, estoy seguro de que fue Zelretch." Los personajes y la historia no me pertenecen, creditos a Type-Moon.

A retelling of the fifth Holy Grail War in which Rin summons Saber as her servant instead of Archer. It is a mixture of the "Heaven's Feel" route from the original game and original plot elements. This version of Fate/Stay Night focuses primarily on Rin and Saber's relationship and what could have been.

Ritsuka Fujimaru was just a normal person some months ago and now he's fighting to save humanity by traveling through history. Not only that but he also encounters two kids who want to know the origin for why they're far from home. An alternative version of FGO Observer on Timeless Temple.

Every parent deserving of the title wishes for their children to grow up strong and healthy. A mundane wish, but the most mundane things are the heaviest. A constant truth regardless of where you peer from the kaleidoscope just like Holy Grail Wars. Miyuverse Shirou transmigration fic.

In which Ritsuka has to use his new Dating Sim powers to save Humanity from Incineration. And with a set of abilities that have absolutely no direct combat value, that's easier said than done. What was he even supposed to do? Raise Flags with Goetia to unlock its Route? Take the Alien God out on a date? Sometimes, being an Eroge Protagonist was way more of a curse than a blessing..

Alaya is gone. The Counter Force is gone. Without them, the Throne of Heroes released all the Heroes on Earth against the planet's will. When Gaia sensed that the World is on the brink of collapse, she sent its First Hero to fix the mess. Now, Shirou Emiya has to save the day once again. What can a Retired God, a Treacherous Knight and a Boastful King do to save the planet? [AU]

This is a world where Kiritsugu failed to find his salvation in Shirou. A world where Shirou became the Black Mud. A world where Shirou met the sisters of Sky Blue. (Shirou adopted by Aozaki sisters, Demi-Angra Mainyu Shirou, Dark Kiritsugu with Avalon)

Tokiomi meets Touko. They get in trouble in China. They find comfort in each other. Tokiomi discovers how insane Touko actually is. Tokiomi goes home. Years pass. Touko visits accompanied by a kid. Oh boy...

Blood debt, paid in blades. Sins of murder, paid in blood. Impulsive abandonment breaks everyone. For her father who has forsaken her, for her mother who has cursed her into doom, when her own destiny fated her to fail... who will grant her redemption? Surely, not herself?

Fue solo curiosidad que se extendió a cada año. Una figura que todos conocían, pero de la que nadie deseaba hablar. Un conocido, un extraño, un amigo o un desconocido. Nada importaba ahora, solo deseaba poder comprender que había debajo de esa red que no parecía pensante. Ella no buscó una luz guía. Ella buscaba ser esa luz.

The Valkyries were machines with one purpose, seek heroes. What happens when they are summoned by Shirou Emiya, a human living like a machine and trying to be a hero? AU. Story collection. Shirou x Valkyries.

A tale of three young teens and the perilous journeys they will face. From dragons, to gods, to demons, three young teens will face stand against the odds. And how their lives will be changed forever. This is a story made by both Owenchaser and CosmicVlad.

Everyone at some point would want to return to their home after completing their given task. Albeit be after a long day of work or after school ended. Overall everyone wants to return home, and that also includes a Hero who after a century of "saving" humanity finally returns home.

a boy named Shirou however a mysterious awakening of his "true self happens and now it's up to him to deal and transition in to the change UBW canon is the followed canon btw"

The Absolute Evil wanted to be born. The hollow child wanted to survive. One of them had to go. In a twist of Fate, the boy remained. This is the story of a Holy Catholic who was saved by Absolute Evil. (Shirou 'Kotomine', [NOT-harem], Fem!Gil, Salter, Nightingale, Jalter, Tsukihime events)

In a world where all of Humanity was wiped out due to the machination of an evil god, lies the story of an ordinary person whose only qualification is that he's really good at cleaning, enabling him to become one of the Janitors for Chaldea. He only hopes that the Twins and the Servants could win the fight for Humanity. At least, there's no one who's going to bother him. Right?

There are many various gods, to worship or defy. And there's Gilgamesh... Heroic Spirits are supposed to aid and inspire mortals. But of what help a Servant could really be to a man, with whom all the legends of humanity had begun? No matter the reason behind the summoning, one thing is certain - even the King of Heroes should not play with magic he does not fully understand.

In the Darkness of the Moon, the Girl awakens the King. Venturing out into the Grand Dungeon, dangers from across worlds draw near. Gather your allies and hone your blade, oh child mine. For your time in Darkness shall lead you to seek the Light. Part II of Lunar Mare Arc. [The Multiverse inbound]

A guy proceeds to write a legend with an overpowered MC (Self Insert). Ten thousand years later, his legend was unearthed. Thus, he got recorded into the throne of heroes. Now, he shall pay the price for tricking the entire world. (Weakest MC, 4th grail war start)

Simple actions and choices from the past have the power to alter the future drastically. Shirou found himself discovering a small trinket of no value to many. But to his ignorance, this item changed the course of his fate beyond anything he thought possible. A twisted fate which coiled itself into another reality, one where Shirou would embark to find his answer.

Diarmuid x Arturia Multi-chapter AU featuring other characters from F/GO! It was luck meeting the first time, the second time it was fate. They were two people with passion in their hearts striving to become their best selves in spite of what they lost in the concrete jungle. The unlikely rainy evening brings them to each other, and together, once again, they begin to move forward.