[Location: Foundation X's Utopia Institute]

In the core of Foundation X's stronghold, where SOLU research was vigorously conducted, Foundation X's team of scientists slogged their guts out day and night to create the next generation of the SOLU life form.

The scientists had not known just how long have time passed, but they know, time was going to be a standstill to them.

One of them keenly fixed their sight on one of the large, bio-filled pods upon typing in and executing the final codes of sequence for completion.

"Chief! The final adjustments of Solu Mark-III have been finally completed!"

Chief scientist walked over to peer at the research console, cross-checking for any errors that might have been overlooked.

"That will do. We shall commence the cross-scan with Solu-Mark II, to ensure that the Mark-III is imbued with emotion capabilities and a complete humane intellect"

"Roger!", upon acknowledging his superior's order, the scientist walked towards the Solu command console.

*LIGHTS OUT*

The entire lab entered complete darkness, followed by the wailing of the emergency siren before the entire lab swirled with the siren's crimson light.

*Unknown Rider's Rider System: DOUBLE FORM RIDE! BEAST! GATACK!*

Camouflaged under the cloaks of invisibility with the powers of Beast, the enigmatic assasin materialized Gatack's clock-up zecter where it docked itself onto the rider belt.

CLOCK UP!

"Uwarrgh!", one of the scientists cried in a flash of pain as the silent fast silhouette slashed through his abdominals.

"Intruder Alert! Shut down the Solu Systems. Now!", the Chief Scientist shouted in command.

However the unknown intruder's blinding speed zoomed past another couple of scientist who fell to the floor in split bodies.

It was clearly beyond the Chief Scientist's reflex to do anything, knowing that the unknown hostile has not a single intention of slowing down.

Rider Cutting!

The hostile shadow finally revealed himself from the cloak of invisibility.

Revealed to be clad in a general color of aquamarine-blue, the rider's armor bore a violet signal-pointer on the center forehead of the helmet, with both sides of the helmet's extending from the signal-pointer across the cranium until it protruded a little from the hind of the helmet, resembling a cross between Psyga and DiEnd in shape.

While the assassin closed up on the Chief scientist for the kill, it was only then could the Chief Scientist catch his faint glance of the assasin prior to his swift demise.

"You..! It cannot be..!", having said his last words, the unknown rider cut his body into half.

Standing in midst of the pool of corpses of the Foundation X's research scientists, the rider calmly approached the Solu Command Console.

BEEP! Psssttt….

Reacting to the console's control, the bio-pod that contained Solu Mark-III discharged all the gaseous substances, and liquids flowed out through the micro aqueduct.

From the bio-pod, a frail figure collapsed from the absence of the liquid submersion.

The rider walked to the front of the figure, extending his right hand and the gesture to help her up.

"Who… are you?", Solu Mark-III asked in a weak and faint tone

"My identity is of no concern. Here-", the rider hits a hidden switch on the wall, as one of the floor tiles slightly elevates and slides aside.

Within the cavity of the wall, several artifacts could be seen - A black cloak; A satchel that seems to contains something; A bracelet with golden trimmings surrounding a core that encased a myriad of jewel colors; and lastly a pile of pocket-sized tiny tomes that were covered in brown-leather skin with a key-lock that bore an emblem which varied from one another.

"I have been waiting for you to awake all these while...", the rider donned on the black cloak for her.

Fixating his sight on her face- such expressive, watery eyes with perfectly sculptured facial shape and prominently stream-lined nose bridge.

Every time one set its eyes on her, it was always a beautiful sight to behold.

"Aurora nee-san...", he whispered lightly.

Even for him who has knew nearly everything, it still never failed to impress him to see how the Solu Technology had regained her back to life; in that same, exact appearance. Just like how she has always looked as far as he had remembered.

While reminiscence of fleeting memories took complete occupation of his mind for a minute or two, the girl grew a tad uneasy at the rider's frozen gaze at herself.

Breaking the awkward silence, she spoke out to him, "Umm... you..."

When he became aware of the awkwardness in the air between them, he flustered a little before regaining his stern composure, "M-my apologies! It's nothing..."

He took the bracelet and handed it into her hands, "Here, put on the bracelet. Take the satchel along with everything and travel to the other world to find the Affinity."

"Affinity...?", Solu-Mark III asked, clueless about everything around her.

"Once I send you through the next world-", pausing himself to open the portal, the mysterious rider held a tome that was similar to the ones given to Solu Mark-III.

"-you shall find the Affinity over there, which he would travel across every Rider World with you, finding the answer to your existence…"

The Rider flipped open the lock of the pocket-sized tome to reveal a book of blank pages, lifting it up high as he raised his arms vertical straight.

The tome levitated on its own, while immense light began to pour out from the open, blank pages of the tome, enveloping Solu Mark-III and the Rider.

"Go forth, and seek the answers to your journey.", stood still in his place, he ushered her in expression of being unable to accompany her on the embarkation of her journey.

The fair maiden nodded her head and turned away, strolling towards another end of the light tunnel, before she finally faded away from the Rider's sight...

Looking on at the distant end of the tunnel and her fading trace, with resolute voice he told himself in his mind, "Even if I had to defy him, I have to let you go. At a chance for the future of the worlds to be saved, so that our tragedies from the future would never have to happen again from the flows of histories that shall be changed."

Walking away from the disappeared light portal of dimension, he uttered his last words as he fled from the scene, "I am sorry, Aurora nee-san, please forgive me..."

Author's Note (1) : Not to be confused as the entire chapter 1, the prologue is intentionally divided away from the actual first chapter to prepare the plot for chapter 1.

Solely for the prologue alone, what we have here is a mysterious rider who snatched the enigmatic lady who was the Mark-III of the Solu (Two generations more advanced than Nadeshiko, mind you!).

It is known that Solu-I took the shape of a living person - the real Nadeshiko from Ryusei's former high school. Where Solu-III went just the opposite - Where an actual deceased person went the other way around to resurrect with the Solu's highly meta-morphing nature as a medium of revival.

With everything at its extreme stage of infancy here, there would be more to come that would gradually reveal insights about the mysterious rider and his intentions, the true nature and hierarchy of the "X-Organization" ; Namely the widely known Foundation-X, and a newly revealed, masterful, elitist circle within- the Utopia-X! Lastly, not to left out Solu-III and the historic background behind 'Aurora' when she traveled across the rider worlds.