Japan, Fuyuki. 1994.

It was early morning as the sun was rising. Outside the city of Fuyuki stood one old wooden house made in a more traditional Japanese style. The building itself wasn't too big and didn't seem to be in the best condition. From the first glance, it seemed as an uninhabitable place but upon a closer look, one could notice small repairs that were made at some parts so it could at least stay intact and somewhat habitable, for some time.

However, the house condition didn't matter to its owner or his quest.

Inside it looked like any other Japanese house. It had only one floor and a small shed out the back which was currently empty. The only place that looked unusual there was a kitchen made to align with a more western style and was currently occupied by two people.

One of them was a cook in a white shirt and black trousers with a white apron. A young man with raven hair and violet eyes was smiling as he finished making breakfast. Just with one glance at him, anyone could see that he was foreign. As he finished preparing the food he turned to the other occupant of the room who was looking at him with hunger. More precisely at the object at his hands, fried eggs on a hot plate.

"Bon Appetit." said the raven-haired man as he placed the plate on the table. A smirk appeared on his face as he saw how his guest was eating without caring about him watching her. "I see you like it." The other occupant of the room made another bite before speaking.

"I hate weak tasting food." her voice sounds mighty and yet it was smooth and mature. She took another bite before looking at him again. "Be proud. I had nothing like this in my time, now I see that the world has come a long way since my death."

"Not really. Some things stay the same. People, for example, they never change." commented her companion who was drinking tea that he prepared for himself. His violet eyes glanced at her with amusement. "Besides, you haven't seen anything impressive yet. Believe me." he said with a smirk as he drank from his cup.

A small smirk appeared on her face as well.

"Oh, don't worry. I believe you, Master."

A few days before.

Humans are the most predictable species out of all living beings.

There was a time when they lived in caves, fighting and killing other humans over the smallest things. As time moved on and technology progressed, humans stayed the same. Sure, they might think that they changed, became more civilised and forgot old barbaric ways but it is a lie. Just like before when they fought over food and water for their tribe to survive and be more powerful than others, now they wage war over entire continents to expand their authority and ensure the survival of their states. Methods and reasons might have changed but the main idea behind it all stayed the same.

Even between different worlds, humans were the same.

"This world might be different from mine but some things never change." Thought young man as he went further inside the Hongan-ji Temple. It was late at night and there wasn't anyone right now. The raven-haired man with easily managed to go inside the temple. This place was changed a few times but he was told that it didn't affect the temple's history. Something that he will need soon. As he was walking, the young man couldn't help but wonder.

"Even after everything that happened to Japan, people managed to raise their nation from the ruins of war. Fascinating. Britannia might be not the same here but the world is still a mess with power-hungry people in charge of everything. Even USA-Heh, it still weird to say it, their little revolution succeeded this time. Shame what happened to Napoleon but I guess you can have everything." He wondered what world without Britannia at all looked like, at least in this one they dissolved the empire early. "Still, didn't stop other countries from committing atrocities like my old homeland." He sighed as he remembered what he had read about the last world war.

"Humans never change." He thought when he finally reached his goal. He was inside an old temple, the place where he was told to perform a ritual. The young man pulled out the small paper with instructions on it. Violet eyes scanned it making sure that he was ready for what was to come. After a few seconds, he started to laugh.

"I still can't believe it." Magic, gods and a wish-granting artefact. If he didn't have experience with this kind of stuff, he was sure he wouldn't believe any of it. "But...I was resurrected or as I was told transported here. And after everything that happened, I shouldn't be surprised anymore. Hm, I'm curious how C.C would have reacted or what kind of face Suzaku would have made if he was here. Oh, poor Suzaku would be shocked to learn this world Japan history for sure. Still, I was given not only a second chance but the mission as well. Even if my sponsor in this war isn't the most normal person. To have a demon emperor as your agent. Still, I can work with it."

Lelouch vi Britannia, Lelouch Lamperouge, Zero, Demon Emperor. Most hated and feared person of the 21st century. Man of miracles. The 99th emperor of Holy Britannian Empire. Masked revolutionary Zero, leader of Black Knights. The monster who should have died yet was standing in the middle of Japanese temple with a wicked grin on his face.

"Different world I was told. Now, it is really interesting." Lelouch said to himself as he finished drawing the magic circle on the floor."Indeed how interesting. Magic exists in this world and not only that but it allows to summon legends of the past."

Holy Grail War. Some sort of battle royale between seven masters and their servants. With the prize being the Holy Grail that can grant any wish. However...

"Any rule can be broken. Any object can be destroyed. This war is no different." Lelouch thought as he looked at his right hand. An unusual red tattoo, a sign that he was one of the masters, even if he hadn't mean to be. "My sponsor didn't lie." Violet eyes glanced at the circle on the ground for the last time. The former emperor was thinking before he made something that cannot be undone.

"In the past, I fought for many things. I fought for people dear to me, I fought to kill those who deserved it and I fought for the future. Now, it might be a different world. The people I care about is no longer with me but my reasons still the same! I was given a second chance to save and to destroy." A devilish smile appeared on his face. "And I'm not going to waste it."

"Fill, fill, fill, fill, fill!" Lelouch chanted."Repeat five times. But destroy each when filled."

The circle on the ground was shining as he continued the ritual.

"I hereby propose." while Lelouch was speaking his circle was shining more brightly with each moment. "Though shalt come under my command, and our fate shall be combined, destroy and unite. Abiding by the summons of the Holy Grail, if thou dost accede to this will and reason, answer me!"

As he finished his chant, a bright light-filled up room for the second before disappearing. Lelouch looked at the outcome and smiled as he saw his new companion, his servant.

"I ask you." she was a woman in black armour with gold chains over her chest and few red chains over her legs. She had a long red cloak and some sort of sharp things around her left shoulder and purple Japanese paper seal that was hanging from the right shoulder. She had long red hair that was covering the right side of her face. and reaching her heels. In her left hand, she was holding long Katana while her right hand was placed on her hip. Even if half of her face was covered Lelouch still could see her left eye, it was red as blood and the confident yet wicked smile on her face convinced him that he indeed summoned a servant. "Are you my Master?"

"Hard to believe that it all happened just one night ago."

Lelouch thought as he glanced at his servant. Thanks to the trains it took them a few hours to get to the Fuyuki from Kioto. Once showing his servant their temporary base Lelouch went to have some sleep. This entire month was difficult for him. From being emperor of the world to a nonexistent person in this one. Not to mention getting this old house. Getting fake documents proofed to be a challenge as well, without using geass Lelouch had to do it in the old way.

"Well, cannot be helped. Geass is off the limits for me now." At least this world wasn't as technologically advanced as his old one, so he had little problem hacking local police system. It was nothing compared to OSI.

"Master." his thought was interrupted as he looked at his servant.

"What is is, Avenger?"

Avenger, a forbidden class that shouldn't exist, yet she did and Lelouch was her master. It was funny and exciting to be in the room with one of the history's greatest heroes. This class is guaranteed to summon an Anti-Hero or Evil-aligned Heroic Spirit. Avengers are marked by an all-consuming hatred or thirst for revenge against a certain target, whether it be an individual, a concept, or even the entire World. Whereas most individuals will gradually heal and forget a grudge with time, the curse of the Avenger class makes their vengeance burn in perpetuity, as painful as a fresh wound for the rest of their existence. Lelouch couldn't help but chuckle at the irony of him being Avenger's master.

She didn't tell me her real name but with everything, I know so far it is not so hard to guess who she is. But since she didn't bother revealing her identity I won't do it either.

"While you were sleeping I felt the death of another servant." Lelouch narrowed his eyes.

"So first battle already happened, I see. Well, I guess you don't know what class died?" Avenger shook her head with a sigh but said.

"No, but it felt strange. I felt the death of the servant and yet it feels like nothing changed." Lelouch thought about her words for a moment. Maybe it was some sort of the skill that the servant used. Fake their death and go into the hiding is a sound strategy, especially for someone like an assassin class. Its simple plan but he doubted that it will work in the long run.

"Hm, did you feel because of your 'home advantage'?" she gave him mischief look with a slight smirk.

"This my lands and therefore I have every right to know what happens here. Still..." she closed her eyes and sighed."For someone to start the battle and have the first fight without me is unforgivable." her red eyes stared at him as she spoke. "Master, we need to act before another fight happens or at least be there. Our presence might be unknown to the enemy for time being but we won't win the war by hiding."

Lelouch understood this as well. True, the existence of the eighth servant is still unknown to others but they can't hide forever. Their biggest weakness right now was that they didn't know anything about other masters and their servants. Servants are one thing, but their masters is another. They didn't know what other participants are capable of. They badly needed information and therefore their best choice of actions was to find an ally for the time being.

An eighth Servant, especially someone like his Avenger would change the course of this war and surely someone will want to ally with them. However, there is a great possibility that Lelouch and Avenger will be haunted to keep the balance, therefore their need for ally only doubles. Two of them need to find an ally, preferably experienced Magi since Lelouch doesn't know how to use yet any sort of Magecraft. His sponsor didn't bother to teach him anything in that field but at least Lelouch and his servant were well hidden if what Lelouch heard from his sponsor wasn't a lie.

"I agree. We going to have a look around the city. Right now our main objective is to find someone more knowledgeable about other masters and cooperate with them." once he finished, Lelouch stood up and left the kitchen. "If you are done with your food, we're leaving. We're going to study this city before the night begins. After that, we will look for other masters."

"To ally with them or to kill them?" she asked already knowing the answer. She turned to look at her already empty plate. "Well, I had a good breakfast might as well stretch my legs, besides I wanted to learn how locals were doing without me." as she said it she turned into her spiritual form and disappeared from sight.

Lelouch stared at the place where Avenger was just a moment ago before turning away.

"This going to be a really interesting war, probably my most unusual one so far. However, I not going to achieve anything else than victory. Demon against seven legendary heroes. Oh, my bad. Two demons. If anything it will exciting war."

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Look who's finally come back. A year has not passed since the last update!... Sorry for disappearing for too long. Anyway about this story. Unlike my previous one-shot chapters, this one is going to be a full story and for time being I will focus on this story. 'His Britannia' will be updated soon but I won't promise anything since I might jinx it...again. So, Lelouch in Nasuverse.

Oh, boy. This is going to be interesting fourth holy grail war with Lelouch and certain Japanese daimyō. I think that Lelouch and Oda Nobunaga will nicely match each other as master and servant. Both are excellent military leaders/ demons who united the nation after their death. Both of them killed family members and were betrayed by people they helped to raise in power. As you probably noticed this Nobu is Avenger, it is because I really love her final stage design. I know that game-wise she isn't best Nobu but I don't care. Besides, I feel like it would have been unfair for the rest of servants...it is still unfair but it could have been worse. Also, I'm sure that some of you have questions about how Lelouch appeared in Nasuverse, however, these questions will be answered later.

One thing I can tell you is that Saber and Lancer most likely will not get their honourable duel.

Thanks to Beta-reader: Zanka no Tachi 31!