After traveling to Fairy Britain in FGO 2.6, veteran Master Guinevere discovered a game called "Life Simulator," a simulation of future events. He used this simulator to find a perfect strategy for achieving a promotion, a raise, marrying a Heroic Spirit, and ultimately reaching the pinnacle of his life. Just as Guinevere was feeling confident, he noticed something was amiss. C Dai: "Wow, Guinevere needs so many resources to fully break down. I've already spent all my money on food this month." Bavanshi: "Altria! Get out of here! You're good at stealing men, but you don't have the courage to face me?" Bagster: "If you need money, you can give me Guinevere. I've already prepared 310 resources." Noknaree: "Guinevere, when I become queen, I will marry you in style!" Melyusina: "I'll just raid at night. You win, win, win, and in the end, we'll all lose." Morgan: "As long as I'm alive, he will always be my husband." Looking at the series of amazing cards they had spawned, such as [Guinevere, the Savior of the Holy Swords], [Guinevere, the Doom Dragon Knight], and [Guinevere, the Evil Tyrant], Guinevere fell into deep thought: "Wait, am I the character being nurtured?"

There’s only one rule in this Holy Grail War: out of the 1.5 billion people in this world, the last one standing will win the Grail.

—This is the story of seven kings from different eras descending upon this world, bringing with them their kingdoms, subjects, armies—even their lands. They all converge on Jerusalem to conquer it, fighting for their respective ideals and nations, in a battle to seize the ultimate Holy Grail. In short, it’s the Kings’ Holy Grail War!

The Conquering King, the Heroic King, the Omnipotent King, the Sun King, the Thorn King, Charlemagne, the Holy Roman Emperor, the King of Magic…

Faced with such terrifyingly powerful opponents, Suya—who transmigrated into this world, was forcibly dragged into the war for the survival of Britain, and became the rightful King of the entire land—realizes:

No matter the reason—whether it’s to stay alive, to protect a fake crown, or for the sake of the false Knights of the Round Table who follow him—right now…

“I must draw my sword immediately!”

【Fate fanfiction, Charlemagne as male lead, includes original characters and settings—if that’s not your thing, please avoid reading】

The author is extremely amateur, the plot isn’t particularly tight, and the romance is kind of awkward.

If this causes you a bad reading experience, I can only apologize—

I’m truly sorry! bows repeatedly

———Now for the serious synopsis————

As an ordinary person, Fujika Tsukizuki suddenly found a Command Seal appearing on the back of her hand, marking her as a Master chosen by the Holy Grail.

With a “might as well try” attitude, she half-casually and half-seriously aimed to summon her all-time favorite Servant—

and somehow, she actually succeeded.

“Wait… could I actually be a genius at magecraft?”

“But hold on… who in the world summons a Servant using merchandise?!”

Morpheus, who had traveled to the world of "A Certain Magical Index," was still sorting out the mess left by an evil magic society when he was caught in a space-time turbulence and transported to the world of Type-Moon. He was reborn as a baby, adopted by the Macremis family, and Bazette's younger brother. As he prepared to fight the Fifth Holy Grail War, he discovered that this world was actually the FGO world, where the Fifth War had never existed. So, for the sake of world peace and to once again pursue the ultimate secrets of magic and become a demon god, Morpheus Fraga Macremis, a golden-type magician, embarked on a journey to save humanity.

Bai Ye traveled to the world of Teyvat, without a system or cheat codes, only the remnant spirit of a demon god, acting as a kind of grandfather to teach him about mechanical engineering and immortal arts.

However, the demon god, having lost his memory, had forgotten his true identity.

It wasn't until the immortal ceremony that an old man, watching his own "death" from the shadows, discovered Bai Ye's abilities.

Servant Lancer Remlia Scarlet... Queen of the Night, reigns here. From now on, I will be your master, servant, are you type B blood?"

"Servant Saber Akame, in response to our previous meeting, nice to meet again, Master."

"Archer Misaka Mikoto, eh, do we know each other? Hey, hey, hey! Master, your pick-up method is too old-fashioned."

"Servant Saber, I came here in response to the summons. Well, just call me Kirito."

"Servant Archer, my name is Tokisaki Kurumi. Ah, Koizumi-kun, we are also an accomplice who saved the world together. Why are you hiding from me like this?

The singularities that have been determined so far are:

First singularity: Prosperous Illusionary Empire · Imperial Capital

Second singularity: Land of Death-Inducing Nightmares · Westward Journey

Third singularity: Day of the Fall of Pure Thunder · Academy City

Fourth singularity: Day of the Awakening of the Crimson Devil · Romania

Fifth singularity: When the Swords Sonate · SAO

Sixth singularity: All Worlds Gather · Different World

Seventh singularity: Glow of Fallen Stars · Midzilda

This book is also known as "Type-Moon Pot King" and "Time is Saved"

In ancient mythology, there is a dark shadow that surrounds the world, looking up and waiting for the day to devour the gods.

It once deceived the hero king Gilgamesh to break with the gods and led to the return of the great disaster Tiamat;

it once collapsed the authority of Olympus and seduced the goddess of wisdom Athena to raise the banner of rebellion;

it once abducted the goddess of winter Skadi, humiliated Asgard, and set off the twilight of the Nordic gods;

it even personally promoted the war between Britain and the white dragon, and led Joan of Arc to fall.

Therefore, it has been given many extremely dark titles.

"[Shadow of Babylonian Terror], [Aegean Sea Disaster]!"

[Asgard Nightmare], [Seven-Headed, Ten-Horned World-Destroying Demon]!!" [Messiah's Enemy], [Original Sin of This World]!!!"

Obviously, we all did the bad things together, why am I the only one who suffers?

However, when a man named Toshiomi Toshiomi summoned him with a snake skin,

Lin Xian (Samael) looked at the magician's vigilant action of shielding his daughters behind him, and he understood... he would

definitely bear the blame!

[You are the Master of Chaldea, the savior of humanity. ]

[Your evil deeds are known to everyone from Orleans to Camelot. ]

[Every singularity has left traces of being ravaged by you. ] [Your fierce reputation can make servants tremble in fear, and can also stop the little demon pillars from crying at night. ]

[And you like to use this sentence to encourage your comrades the most——] In a certain singularity, Xia You's voice is serious:

"The singularity determines the survival of humanity. The only question is how determined we are to defeat it——My dear servants, have you decided who will self-destruct next?"

"Because glory lies far away!"

On the Magic Eye Collection Train, the Rain Witch smiled with satisfaction as she watched El-Melloi II display the might of the king's army in front of Hephaestion.

"Broken down~"

In the world of Artificial Girl + Rozen Maiden, the fairy tale witch hugged the mercury lamp and hummed briskly with light steps.

"This is a friendly vampire."

In the world of Bloodthirsty Assault, looking at Nangong Nayue with a wary face, Elquet smiled and waved.

"Seven dragons, turn into my fingers!"

In the world of Problem Child, Draco (Beast Nero) rushed towards the high sun with a grin.

...

Since you are here, come in and take a look