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From Rias’s Childhood Sweetheart to the God Slayer

Shreesha_Shetty
14
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The average realized release rate over the past 30 days is 14 chs / week.
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Synopsis
Reborn in a world of magic and devils, Arata Hayashi grows from Rias’s childhood friend into an Origin Magus who draws strength from knowledge itself. With contracts spanning worlds and power rivaling gods, Arata’s path blurs the line between love and divinity— as the crimson heiress declares, “Only Arata belongs to me.”
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Chapter 1 - Chapter 01:

Private Kuoh Academy

The fiery clouds kept rolling, dyeing the entire sky red.

At this moment, the college library was exceptionally quiet and peaceful, bathed in the sunset glow.

Arashi Hayata climbed onto the table and surveyed his surroundings. After a brief moment of confusion, he finally figured out what had happened.

He had solved the mystery in the womb and awakened the wisdom from his past life.

In this life, he was a half-blood demon, adopted by the Gremory family since childhood, with a childhood sweetheart named Rias.

That's right — it was Rias from the High School DxD.

"What kind of hodgepodge world is this?"

Rubbing his temples, Arashi muttered softly.

This world not only had Devil High School, but was also a fusion of various anime worlds from his previous life.

As far as he knew, there were Tokyo City, Chiba City, Kyoto, and Juou Town — places where demons ran rampant.

Beneath the surface of peace, countless anomalies lurked: monsters, exorcists, sorcerers, heroic spirits, demons, and angels hidden in every corner.

What's even more outrageous was that as a demon, Arashi knew this world also had gods of disobedience — beings from mythologies who always caused chaos wherever they appeared.

The corners of Arashi's mouth twitched.

My goodness, it's amazing the world hasn't collapsed yet with all these forces gathering.

"But fortunately, I am much stronger than ordinary people."

Feeling his own strength, Arashi smiled.

Although he was a half-blood demon, with Rias's help, he had recently been promoted to a high-level demon.

It might not mean much in this world, but at least he had some ability to protect himself.

"Um?"

Suddenly, Arashi's expression changed as a light golden virtual panel appeared before him.

[Arashi Hayata][Occupation: Origin Magician][Magic: Thunder Magic Lv 30 (+)][Origin: 191 points]

Really!

How could he not have any cheats?

Looking at the panel, Arashi's eyes flickered. If he remembered correctly, this was the career interface of a web game he had played in his previous life — and the Origin Magician was the profession he had chosen.

As for thunder magic, it had allowed him to ascend to the level of a higher demon.

"Let me see… how should I allocate some points?"

Arashi thought for a moment, then focused and began issuing orders based on his intuition.

Moments later, the system panel flashed, and the level of his thunder magic increased.

[Arashi Hayata][Occupation: Origin Magician][Magic: Thunder Magic L31 (+)][Origin: 188 points]

Almost instantly, Arashi felt magic power surge through his body, and his understanding of thunder magic deepened.

"Three origin points per level… will it always be like this…?"

Arashi pondered, then without hesitation, continued adding points. In this dangerous world, he needed to grow stronger fast.

Buzz!

The light flickered.

[Magic: Thunder Magic L41 (+)][Origin: 111]

Looking at the panel, Arashi noticed that the number of origin points required for each upgrade varied slightly. The only pattern was that higher levels consumed more points.

Buzz!

Arashi raised his hand slightly. A dark red magic circle appeared beneath his feet. Electricity danced in the void, and bolts of lightning crackled in the air, moving as if alive.

Such magical control! Even among higher-level demons, few possessed it.

In a short period of time, Arashi had risen from the bottom of the upper-level demons to a master among them.

He had never felt lightning so obedient in his hands, responding to his every thought.

Moments passed as Arashi immersed himself in the power, continuously casting thunder magic. Countless blue bolts from all directions crackled like electric snakes but caused no damage to the surroundings.

Eventually, he felt weak and had to cancel the magic, leaning back in the chair.

"Arashi, don't push yourself too hard."

A soft voice greeted him as the second student arrived.

She was exceptionally beautiful, with gorgeous long red hair that seemed to capture the sunset itself. Her face was delicate, as if crafted perfectly by the Creator.

Her entire presence exuded a noble aura, like the daughter of an ancient aristocratic family.

The visitor was none other than Rias Gremory.

"Don't worry, it just consumes a lot of magic power."

Arashi smiled, trying to settle into his seat. But before he could, Rias was already behind him.

He felt trapped in something soft.

"Really? You're already a high-level demon. You're really strong — there's no need to train so hard."

Rias, unbothered by their intimate closeness, helped Arashi sit down and scolded softly:

"Besides, this is a library, not a place to perform magic."

"It's just a momentary realization. I won't do it again next time," Arashi said with a smile, holding Rias's fair, tender hands tightly.

"You're particularly bold today," Rias said, her cheeks flushing slightly as she looked at him provocatively.

The two had grown up together, and their relationship was just one step away from breaking through the last barrier of restraint.

"Hey…"

A hint of tenderness flashed in Arashi's eyes. Memories of two lifetimes had taught him to cherish the people before him.

Before he could pull Rias into his arms, she moved closer, gently running a finger along his shoulder.

"Since you've used so much mana, how about I help replenish it?"

"OK!"

Rias was teasing him, knowing her childhood sweetheart had always had intentions but lacked the courage. But this time, she saw Arashi's face draw closer.

What was happening? Did Arashi take some strange medicine today?

Her lips touched something soft and wet.

Then, Rias closed her eyes.