Hybrid x Heart Magias Academy Ataraxia Volume 1 - Prologue

Aa-n, no. Ki, Kizuna-kun, that place, nn-

The girl squirmed, attempting to break free from Kizuna's grasp.

Her long, black hair swayed gracefully.

My, my bad! Himekawa, you don't like it there, then?

Kizuna hastily withdrew his hand.

So, which area makes you feel good when touched?

Himekawa Hayuru's face instantly flushed crimson.

Th-there's no way I can tell you that! S-so-so-something like thaaAnn-

Anyway, it seems this spot makes you feel good.

With that, Hida Kizuna's hand crept up Himekawa's thigh.

The room was spacious, encompassing an area roughly equivalent to twenty tatami mats.

At the dimly lit room's center lay a bed so purely white it seemed to dazzle.

Upon this bed, a man and woman, appearing to be high school age, were embracing.

Kizuna was clad in what resembled training wear that clung tightly to his form.

Featuring short-sleeved upper wear and knee-length spats, his outfit was separated into top and bottom, revealing faint muscle definition across his exposed midriff.

While not overtly muscular, his physique clearly indicated a well-trained body.

Himekawa, too, wore an outfit that fit snugly, much like Kizuna's, but with a decidedly different impression.

The fabric was thin, and the cut at the crotch was exceptionally daring, reminiscent of a racing swimsuit, appearing as a leotard.

Over this, she wore a coat resembling shrine maiden attire, though it was now completely disheveled.

These clothes, barely concealing her body, lent her an overwhelmingly erotic appearance.

Her chest was partially bared, offering a glimpse of her smooth breasts; they were slightly small but captivating enough to make one's heart flutter.

Her gaze, directed at him in this state with eyes looking upward, was nothing short of lascivious.

No matter how much time passed, it still makes me so nervous, he thought.

Ah-

As Kizuna gathered Himekawa's hair, her body trembled.

Himekawa, you're really sensitive, aren't you?

I-is that so? I-I am-

He gently caressed her face, his hand then sliding down to her hair.

With his index finger, he traced from her back down to her waist, pressing and sliding along her body.

Aa-, a, anu-

She furrowed her brows, enduring the sensation.

I wonder how your back feels?

I-it's ticklish.

Ticklish? How strange—didn't you say before that it feels good?

Kizuna pondered with a perplexed expression.

Y-you're mistaken! By no means is it like that-!

Himekawa shook her head in denial.

It doesn't feel good or anything! In the first place, I'm not doing this because it feels good! This is a mission, so it can't be helahyun!

Kizuna's hand slid upward along her back, reversing its previous direction.

Himekawa, any moment now-

At that exact moment, a *thud* echoed as the room shook violently.

A vibration akin to a localized earthquake assaulted the room. Kizuna looked around worriedly.

This is bad—we have to finish this quickly.

Isn't it fine? I don't think there's any need for concern.

Himekawa responded calmly, her gaze fixed on Kizuna as if awaiting something.

Somehow, her eyes seemed coquettish.

I-I wonder if that's so?

Kizuna reached out his hand to Himekawa once more.

Aa-! Again—just where are you touching—, haauun.

Kizuna stroked Himekawa's smooth, white thigh. The texture felt pleasing under his hand, and the soft elasticity offered a satisfying sensation.

From her thigh, his hand moved to her calf, the slender limb exuding an image of elegance.

Continuing his ascent, Kizuna's hand traced her leg again, heading towards the area above her knee.

His fingers pressed inward from the inside of her thigh, drawing closer to her body.

Mou, how long are you going to touch—don't get carried awaaaa-!

Kizuna crossed from her thigh to her crotch, grazing her intimate area before advancing his fingertips towards the dip of her navel.

Nooooo

At that instant, Himekawa gasped, and a star-like glitter appeared momentarily in her eyes.

It's here!?

The very moment Kizuna became excited, a massive tremor jolted them both again.

A dull metallic sound reverberated from the wall.

Wasn't that just now really bad?

Kizuna attempted to assess the situation and started to move away from the bed.

Uwaa-!

He was pulled back with astonishing strength.

Geez, aren't you still in the middle of replenishing me? Where do you think you're going?

Himekawa's demeanor had clearly shifted from before.

A glint of lust shone in her eyes.

N-no. I was just going to check the situation a li-

Himekawa's hands seized Kizuna's face, and she pulled him back down onto the bed.

Uowa-

Kizuna was now positioned above Himekawa.

Fufu. It's fine, you know, about the outside—if we just leave it to Aine-san and Yurisia-san, everything will be handled.

Her eyes were glazed, and her cheeks were flushed. Red particles of light began to emanate from her body.

No mistake.

It was the indication of Heart Hybrid (Union Remodeling).

Himekawa bent her body, removing her upper wear.

Her slender hands clasped Kizuna's head with fierce intensity.

“Hey? This place of mine… it’s already become like this, you know. Kizuna-kun too, you can’t hold back anymore, right?”

Himekawa’s sweet whisper tickled Kizuna’s ear.

“Then, let’s settle this here.”

Kizuna’s eyes gleamed.

Pink light swam within his irises, and luminous particles began to scatter from his body.

Embraced by Himekawa, Kizuna pressed his face into her small breasts.

Even so, he could feel their ample softness. Himekawa’s body temperature was warm, and he could hear her heart beating faster.

Normally, she wouldn’t want her breasts touched, but…

Kizuna circled his arms around Himekawa’s body, flipping them over.

He slid his fingers along Himekawa’s back as she now lay atop him.

And then, he grabbed her posterior.

“Hyaaaaa-!”

Himekawa leaned back, her long black hair spreading out.

His left and right hands gently cradled her left and right hills, respectively.

No matter how softly he held them, Kizuna’s fingers sank endlessly into those hills.

His hands rubbed those two hills against his palms, drawing circles.

“Ya-, yan, iyaaan!”

Himekawa shook her head as if to escape the overwhelming pleasure assaulting her senses.

As if delivering a finishing blow, Kizuna increased the strength in his fingers, grasping Himekawa’s rear even tighter.

“Noooooooooooooo-“

Himekawa let out a coquettish cry, arching her back like a bow.

Simultaneously, a red light surged from Himekawa’s body.

Then, pink light particles rose from Kizuna’s form.

The lights emanating from their bodies gradually intensified, filling the room with a red and pink radiance.

The two lights intertwined and melted into each other.

In sync with this, a change occurred on Kizuna’s portable terminal resting on the bedside.

Kizuna didn’t miss it, focusing on the terminal.

Himekawa’s parameters, which had been near zero, were instantly restored.

“Yosh! Heart Hybrid success! The replenishment is complete with this.”

Kizuna made a small, triumphant fist pump.

“Himekawa, you’re fine already with this, right?”

“Sheesh, it’s over already?”

Himekawa looked down with a bewildered expression.

“Ye, yeah! Because the replenishment is complete already, see? If we don’t hurry, Yurisia and Aine are also going to complain.”

Himekawa scowled, her mood seemingly worsening, then

“Sheesh, something like that doesn’t matter, right-?”

She buried her face in Kizuna’s chest, hugging him tightly as if not wanting to let him go.

“Eh? Hime, kawasan?”

Himekawa placed a hand on Kizuna’s chest and raised her body.

Kizuna released a deep sigh of relief.

“So you understand? That’s great. Well then, u-!?”

Himekawa shifted her body weight, straddling Kizuna’s abdomen, and then smiled enchantingly.

“Buu-t, this place, you still haven’t touched them.”

She spoke in a sweet voice, gesturing by lifting up her own breasts.

Himekawa’s body was slender, but seeing her do that made him conscious of her breasts whether he intended to or not.

As if inviting him, Himekawa moved her hands.

The two hills, encased in pilot suits, contorted elastically.

Himekawa leaned forward, her long black hair brushing against Kizuna’s face.

“Here, Kizuna-kun…”

As if enchanted, Kizuna’s hand reached out towards the swell of her breasts, tracing their gentle curve.

“{Hey, both of you! Just until when in the world you two are going to stay inside?}

A floating window appeared at the tip of his reaching hand.

“Uwaa!”

Kizuna retracted his hand with astonishing speed.

A blonde, beautiful girl was reflected within the window, hovering in mid-air.

“{The replenishment is over already, right? We are busy here, so I want you two to quickly get out here.}”

“My, my bad, Yurisia. We’ll go out immediately.”

As Kizuna sat up, Himekawa’s body swayed.

“Are you okay? The replenishment is over. Let’s get out soon.”

Himekawa brushed away hair clinging to her skin from exertion and looked at Kizuna languidly.

“Replenishment?”

“Get a hold of yourself, Himekawa. Aah, you need some time before you get your sanity back like usual, huh.”

Kizuna grasped Himekawa’s shoulders and shook her body quite dramatically, causing her head to spin.

“Nneh? Replenishment, o-ver?”

Her eyes still dazed, her gaze drifted everywhere.

Her unfocused stare eventually settled on Kizuna’s face, and after fixing on him, the focus of Himekawa’s eyes gradually sharpened.

“!?”

Himekawa’s eyes snapped open wide, and she jumped.

After wriggling for a moment, she covered her reddening face with both hands.

“Yo, you’re wrong! Just now was not me! Tha- that vulgar act is not me!”

“Yeah, it’s okay. That’s because it was Heart Hybrid’s influence. I understand, okay?”

Kizuna waved his hand and smiled before getting down from the bed.

D, do you truly grasp the situation? It was by no means intended that I

With a wry smile, Kizuna replied, then he guided Himekawa’s hand toward the door.

As he turned the doorknob, a resonant thud, far exceeding what the door's exterior suggested, echoed out.

What greeted them upon opening the door was a vista dominated by vast piles of rubble.

This locale had once been a bustling commercial district. However, the multi-story office buildings were utterly demolished, and even the surviving structures couldn't escape significant damage or engulfing flames.

Smoke billowed from the fires, and sudden gusts buffeted Kizuna’s face with searing wind.

The percussive sounds of explosions and gunfire, echoing from distant battlefields, reached their position like persistent reverberations.

Within this desolate, scorched landscape, a single container remained standing.

This was the very compartment Kizuna and Himekawa had occupied until this moment: a mid-range mobile tactical support unit, colloquially known as the [Love Room]. Upon request, it could be rapidly deployed via transport helicopter and served as a robust private shelter capable of withstanding magical weapon assaults.

Now, the area surrounding this room was besieged by numerous humanoid war machines.

These were mechanized magical weapons, designated [Brigands (Mechanical Infantry)], standing approximately three meters tall.

A young woman, positioned ahead of them, turned upon hearing the container door open.

“Ah, you two are finally out-…”

As she turned, her ample bosom swayed prominently.

A tight-fitting vest accentuated her large chest and dramatically cinched waist. Her form was clad in attire resembling a sleek, thin-fabric racing swimsuit.

The word 'gorgeous' was a perfect fit for her physique, boasting a voluptuous, alluring build complemented by golden hair and striking blue eyes.

Yurisia Farandol.

She was the same individual who had been conversing with Kizuna moments earlier through the floating communication window.

Yurisia’s resplendent form, concealed by the small window, was now revealed to be adorned with exquisite armor and formidable weaponry.

This was, in essence, humanity's ultimate defense against the encroaching forces from the alternate world.

These were the decisive instruments of warfare in the struggle against that other realm.

The Magic Armor Heart Hybrid Gear.

Yurisia’s [Cross] was one such Heart Hybrid Gear.

It was an armor of exquisite craftsmanship. Its polished surface caught the surrounding light, revealing intricate golden circuitry flowing within. Its relatively compact surface area might inspire unease regarding its protective capabilities.

Furthermore, weapons were integrated along its back and waist. Two substantial units extended from her back – the Differential Frames (Offensive Mobile Particle Engine), which channeled their generated energy into both propulsion and particle-based weaponry. These units were designed for mobile deployment, allowing Yurisia to manipulate them freely with her will, thus eliminating any blind spots.

And then, the two particle cannons mounted at her waist served as Yurisia’s primary offensive instruments.

As she drew the twin particle cannons with both hands,

“Shot through!”

The particle cannons in her grasp and the Differential Frames on her back erupted in a fiery discharge. Bolts of light unerringly struck the dense formations of Brigands, seemingly drawn toward the enemy ranks. These projectiles carved through the enemy line, decimating the Brigands and erecting a barrier of explosive force.

“YES!”

Yurisia smoothly returned her particle cannons to their holsters at her waist, maneuvering them as if they were mere handguns. She then crossed her arms with a defiant air, a gesture that further emphasized her prominent cleavage, causing her chest to bounce noticeably with the movement.

“Honestly, ever since Hayuru got into the Hybrid, you really take too long! I wonder… just how long do you two plan to keep having your fun?”

Yurisia directed a mischievous smile toward Himekawa's face.

Himekawa appeared flustered, stammering,

“W-what are you talking about, that’s a false accusation! There’s no way I, of all people, would wish for such an indecent act, not at all!”

Himekawa continued her impassioned defense without pause.

“Alright, alright, I understand. Well then, you’ve received your full replenishment by now, haven’t you-”

A tremor began to intensify through the ground.

“Even without you telling me-“

A colossal shadow emerged from beyond the fiery expanse.

This shadowy figure stood at an imposing height, potentially reaching ten meters – a veritable giant. It was identified as a [Blue Head (Blue Knight)], named for its azure coloration and its stout, armor-like silhouette, a magical weapon hailing from the alternate world.

“Then let’s go, [Nelos]!!”

A crimson light radiated from Himekawa’s body. Her slender frame was enveloped in this scarlet glow, the shimmering luminescence coalescing in an instant, materializing to fully equip her form.

The crimson light transformed her silhouette repeatedly, initiating the materialization process. As if merging with Himekawa's very being, the light enveloped her closely, performing the attachment of a guardian akin to Yurisia's.

The guardian and its armaments materialized, with scarlet lines of light coursing through her entire body.

The Heart Hybrid Gear [Nelos] was now complete.

While Yurisia was adorned with golden lines of light, Himekawa's was a striking red. Furthermore, the forms of their Heart Hybrid Gears differed significantly.

Nelos evoked the image of a razor-sharp tool. A weapon resembling a Japanese katana was secured at her waist, while eight long, slender mechanical appendages floated behind her. The reflected light, appearing as if perpetually wet, gave the impression of colossal blades.

“Go! Blade (Crossbow Drive Sword)!”

As if anticipating Himekawa's command, the appendages on her back launched forward. The colossal swords, the [Blades], streaked rapidly towards the Blue Head.

The Blue Head adopted a defensive stance, wielding a weapon that seemed a fusion of a gun and a sword, preparing to meet the onslaught.

However, the Blades executed unpredictable trajectories, toying with the Blue Head. The creature found itself unable to keep pace with their agile movements.

The eight Blades appeared to move with complete freedom, but in reality, they were engaged in a synchronized dance, orchestrated by Himekawa herself.

“Pierce!”

Accompanied by Himekawa's decisive voice, the Blades assaulted the enemy in a unified surge.

The Blades breached the Blue Head's massive form one after another.

The enemy's formidable armor had previously withstood every human weapon; victory seemed impossible with conventional means.

Yet, the Heart Hybrid Gears wielded by the girls were in a league of their own.

The Blue Head's protective plating tore like paper and crumbled like styrofoam as the Blades carved deep wounds into its body.

With its colossal form listing unsteadily, the Blue Head toppled to the ground.

“Alright—!”

As Himekawa's smile of triumph radiated, the vanquished Blue Head erupted in a massive explosion.

Fragments from the blast transformed into luminous crystals, scattering into the air.

The enemy's magical weaponry left no remnants upon destruction; the reason behind this phenomenon remained unknown.

“You two are amazing as always, aren't you? Okay, then I too…”

Sensing Kizuna's trailing thoughts, the other two individuals arrived in a rush, concerned by Kizuna's words.

“What are you saying?! Kizuna, you should head to the shelter over there (Love Room)!”

“That’s right! Besides, the current Kizuna wouldn't pose much of a fighting threat. It’s perfectly fine for you to just issue commands from a safe location!”

He felt overwhelmed by the intensity of their gazes.

“I… I understand, okay. While my abilities might not compare to yours, even I can be of use in my own way.”