AN: Hi guys I've decided to post up this idea as a full story which I will update regularly. I hope you like it.

Disclaimer: I do not own Kamen Rider or Evangelion.

Prologue: Begins' Night

One night on a small island there stood a huge building, inside Shinji Ikari was looking over some sort of document with a flashlight. He felt a little nervous because to him this was the biggest case that he and his mentor, whom Shinji calls "Boss", have had in a while. After he was abandoned by his father Boss took him in as a student whom Shinji looked up to over the years.

"Child of fate?" asked Shinji towards Boss. Boss was wearing a black shirt, white tie, an all-white tuxedo, and to top it off his signature white fedora. Boss was white, middle aged, has black hair, and was a true "hardboiled" detective.

"Yes," Boss answered as he walked past Shinji in an opposite direction. "A young girl who carries with her everything on the Earth. The enemy is drawing out her power on this island…and using it for villainy. 'I want to save her'. That is the wish of my client." as Boss explained with Shinji following him.

"Hey Boss," Shinji stood in front of him with confidence. "I'll help too."

"That would be help from half of a man. Listen, Shinji. Obey my orders without fail."

Shinji just sighed as he put away his stuff.

"Even here…the same lecture as always…" Shinji started as he walked away only for Boss to touch him by the shoulder and turn him back to his line of sight.

"It is because we're in a place like this," Boss explained. Shinji nodded understanding his concern.

"I get it. I get it," Shinji nodded again. "It's a promise."

As they started walking the alarms triggered. Boss dragged Shinji to a safe place to hide as they heard several henchmen coming to their location.

"Search!" several voices yelled. Shinji and Boss looked through the pipes to see men in business suits.

"Come out, thief." A female voice said. "Or are you a spy for a rival organization? Either way, you're a puny animal who has wandered into Hell."

The detective and detective-in-training looked only to see a female creature. She had the upper torso of a human, but she had no visible eyes as her pale blonde hair seemed to spike up with the exception of those strands under a band that wrapped over her head to the high black collar she wore and it also covered the eyes on her light pink face. The rest of her body of magenta skin was covered in red and black armor while her legs were fused into one shoe-like formation with red on her right, black on her left, and all connected by golden laces.

Shinji gasped at the sight.

"A monster!" Shinji quietly whispered in complete shock.

Boss however remained calm. "Shinji… I have an order for you already."

Boss gave Shinji a silver briefcase with a red W on it.

"Hold this and stay here. Don't take a step away from here." Boss calmly ordered. Shinji however was the complete opposite.

"Boss…Are you serious!?" Shinji gawked, as he tried to get closer Boss stopped him before going out himself.

"Found him!" screamed one of the henchmen. The rest gathered around Boss. Boss took off his coat to fight better.

Boss fought them quite easily showing how skilled he was when it came to fighting. Surprisingly he took them all down while wearing his hat.

However, one of the henchmen took out a flash drive with a rib-cage like exterior, the letter M on it, and pressed the button on it.

"MASQUERADE!"

He then injected the flash drive into his skin as did the rest. Their skin, especially their heads, became as black as their uniforms. Their mask was almost completely black if it wasn't for the white rib-cage design on it.

The Masquerade dopants surrounded Boss. Boss didn't seem so surprised but the female creature rose up to his sight.

"You came to rob me, right?" the female creature that was presumed to be a fellow dopant. "You're my type of man. But what a pity…" the female dopant said as she got an energy orb ready.

"One should only shoot if they're prepared to be shot as well." Boss calmly said as he places his hand on his hat. "Ready?" The female dopant gasped in surprise that he wasn't scared. "It's usually my policy to not use GaiaMemory for a job, but…" Boss then placed a red device on his waist with a slot for a kind of flash drive that was large, red, silver, and looked like an upside-down M shape with a piece only the right side missing. As he placed it on his waist a gunmetal belt appeared wrapping around it while a strange slot showed up on his right hip. "...I don't have a choice."

"LostDriver!? Why do you have that?" the female dopant gawked at surprised even dismissing her energy orb.

Instead of answering Boss removed his hat with his left and in his right hand was a silver tipped black flash drive with a purple skull facing the side with an S on the bottom. Boss pressed the button on this so-called "GaiaMemory".

"SKULL!"

He soon placed it in the slot before moving it to the right which soon resembled the half of the letter W. The emblem of the memory appeared again in front of the belt.

"SKULL!"

"Henshin!"

With a blast of purple lightning and a dark sound, pixels appeared around Boss before attaching and forming a suit of black armor, with the belt still visible. He now had silver cuffs and accents, which made a rib-cage design on the chest; the helmet was designed after a skull with an S-shaped crack revealing who he was before he slipped his white fedora back onto his head while Shinji gasped in surprise in his hiding spot.

"Saa…omae no tsumi o kazoero!" Boss or Kamen Rider Skull said with subtle anger.

The Masquerade dopants started charging at him and took them down quite easily. The female dopant started charging her energy orbs while Skull grabbed two dopants by the neck. Skull quickly noticed and as she fired three orbs he used the dopants he grabbed as shields. The orbs vaporized them and Skull jumped back in an effort to dodge the third only to be hit in the head. Luckily it only torn a little of the front rim of his hat.

Shinji was still stunned from his hiding place as Skull pulled out the Skull Magnum dodging and firing at the energy orbs before trying to fire at the female dopant.

"Boss…" Shinji said in admiration before seeing a young girl wandering. She had blue hair, pale skin, weird red eyes, and was wearing a white outfit.

"Is that her?" Shinji was about to follow until Boss's words echoed in his head.

"Hold this and stay here. Don't take a step away from here."

Shinji looked back at Skull who was still fighting and back in the direction that the girl was in.

"No." Shinji said to himself. "If I save her, Boss will definitely see me in a new light."

And with that, Shinji followed the girl to a green lit room.

"Hey. Are you the Child of Fate?" Shinji asked wondering what her response would be. The girl just simply looked at him with a cold and emotionless face.

"Who are you?" the girl asked. Shinji could tell the coldness and emotionless tone in that voice.

"You're not one of the people who work here." The girl observed before facing away and continued walking towards the room. "You do not appear to have the intelligence to be chosen by the organization or the commander."

"What was that!?" Shinji snapped. "How dare you speak to an elder that way!"

The girl went to terminal before observing Shinji further. "From the looks of it, you and I are not that different when it comes to age." The girl stated before going back to the monitor.

Shinji looked around the room which appeared to be some type of lab before noticing something familiar in a glass case; GaiaMemories like the ones the dopants used.

"GaiaMemory!" he gasped. "You…You made them!?" Shinji asked but the girl paid no attention to him. "Hey!" Shinji said getting her attention.

"Hm?" The girl looked at Shinji then at the briefcase. She grabbed the briefcase and opened it much to Shinji's protests.

Inside was a LostDriver like Skull's except there is another slot on the left with a gold rim. In the top part of the case were six GaiaMemories which were similar to Skull's. There were 3 with a silver tip with the letters C (Cyclone), H (Heat), L (Luna). The other 3 had a golden tip with the letters J (Joker), M (Metal), and T (Trigger).

"Fascinating…" the girl said before showing them to Shinji. " Who came up with these? The person who uses the Driver can become one with me. You can use two memories…with my newfound intelligence, the ultimate super human will be born and everything in the commander's plan will be improved."

Shinji then snapped. He couldn't take it anymore watching the girl examining the devices like a ten year old receiving gift on Christmas morning. He grabbed her and looked at her with a disgusted look on his face.

"What's so fascinating, you damn devil!" Shinji growled in anger. "Do you know how many tears have been spilled because of the Memories you bastards made?!"

"Are people who work in a gun factory criminals?" the girl countered. Shinji just stared at her not knowing how to respond. "Of course not. The only fault lies in the people who use the guns for crimes. I merely want to see more Memories that can benefit Commander Gendo Ikari." Shinji was mad enough but after hearing his bastard of a father's name, it pushed him to the edge.

"SHUT UP!" Shinji snapped pushing the girl causing her to drop the case. She fell into some sort of chamber that soon teleported her away. Shinji became stunned at his actions before examining the chamber.

At the same time the blunette found herself in some sort of crystal capsule on the roof of the building.

"I was teleported to the GaiaTower?" the girl asked herself as she examined her surroundings. Soon she heard something was charging.

"Baka!"

Boss, who was out of his Rider form, slapped Shinji in frustration. Shinji looked down at his mistake while Boss continued.

"Why didn't you do as I said? If you hadn't pushed that girl, right now…" Shinji continue to look down with only one thought in his head.

"It's all my fault".

As the duo reached up to the roof Shinji kept guard while Boss was trying to get the girl out. Boss placed his hand on the capsule which made a light before the girl can finally stepped out. The alarms went off and Shinji notices an attack chopper coming in their direction.

"Boss! We have to leave!" Shinji yelled urging the others to hurry.

As they made their way out more henchmen appeared on the balcony. Three of them drew their guns… and shot Boss in the back.

"Boss!" Shinji yelled as he went to his mentor's side getting down at his eye level.

"Boss!"

"Shinji…Please continue this case for me." Boss grunted knowing he doesn't have much time left for him. "I'm done for." Boss then used the last of strength to pick up his hat and placed it on Shinji's head.

"The girl…" Boss then looked at the girl and looked back at Shinji. "Please take care of her."

"Boss…Please forgive me. The hat is too soon for me. I'm not ready yet!" Shinji yelled as he started to form tears in his eyes.

Boss just looked up at him and smiled. "Then become a suitable man for it." And with that Boss, the greatest man Shinji has known most of his life, has died.

"BOSS!"

The mourning was cut short as a bulge began to grow and glowed purple. It then exploded dragging Boss' body and pushing Shinji away. The female dopant rose and started firing at them as did the rest.

Shinji and the girl ran to a safe distance but when they reached the stairway the two noticed the chopper facing them from the window. The chopper started firing and the two took cover on the stairs.

The girl looked at the briefcase before opening them and showing the inside to Shinji again.

"Do you have the courage to ride with the devil?" the girl asked. Shinji, knowing there was no other option, grabbed the Driver and placed on his waist. The second he did a similar on formed on the girl's waist. Shinji grabbed the Joker, Trigger, and Metal Memories before placing the Metal and Trigger away. The girl grabbed the Cyclone, Heat, and Luna Memories before putting the Heat and Luna Memories away.

With a roar from Shinji the two stood up and placed the Joker and Cyclone memories in their respective slots. As soon as they did a white light enveloped them. As soon as it faded a warrior in armor appeared. He had a white line down the middle, on the left side his armor was black with a purple highlight and the right was the same except the armor was green and the highlight was a light green. On his helmet he had a W shaped antennae and red glowing compound eyes,

The warrior faced the chopper before summoning a gust of wind which he used to blow the chopper away. From that day forth, Kamen Rider W was born.

There it is! The First chapter. Review and Enjoy.