In DxD with Sign-In System!

After we arrived at a clearing near the Occult Research Club, Kiba and I walked a short distance apart and faced each other, our eyes locked in a focused gaze.

The four girls stood a little ways off, silently observing us.

"Kiba-san, shall we begin?"

Instead of answering directly, Kiba gripped his demonic sword, a smile playing on his lips. "Let's begin, Hibari-san."

Seeing the demonic sword in Kiba's hand, I didn't waste any time summoning [Tensa Zangetsu], gripping it firmly with both hands as I faced him.

Kiba Yuuto, as Rias's Knight, possessed the [Sacred Gear: Sword Birth], which allowed him to create an numerous demonic swords.

He was known for his incredible speed and swordsmanship.

He also had a dark past..

He and a group of children around his age were taken by the Church and subjected to a year of Holy Sword aptitude training.

In the end, none of them were compatible with the Holy Swords, and they were all poisoned. Later, he was turned into a Reincarnated Devil by Rias, which led to his deep hatred for Holy Swords.

"Ara ara~ is that your weapon, Kyoya-kun? It looks like an ordinary katana, but there's something… different about it. Could it be an unrecorded Sacred Gear?"

Akeno smiled as she studied me. Right now, I exuded an aura of danger.

Rias focused on Zangetsu in my hands, then lowered her head slightly, smiling in agreement with Akeno's speculation.

"That sword radiates a dangerous aura. Even I feel a sense of pressure from it." Koneko commented, her eyes narrowed.

Tomoe, standing beside her, also examined my Zanpakuto.

"I see… I trust your judgment, Koneko." Rias gently stroked Koneko's head, accepting her assessment.

After all, before becoming a Devil, Koneko was a Nekomata, a youkai with heightened senses. It wasn't surprising that she could sense something unusual about my weapon, and Rias trusted her peerage member's instincts.

"Ara, the match is about to start!" Akeno's voice brought everyone's attention back to Kiba and me.

Without any wasted movements, I gripped Zangetsu tightly and unleashed my ultimate technique right from the start. Black energy erupted around me, accompanied by crackling blue lightning!

The lightning struck the ground around us, blasting out craters and leaving the onlooking girls speechless.

This was an enhanced version of [Getsuga Tenshou]. I had infused it with the power of the [Rumble-Rumble Fruit], creating a lightning-enhanced slash.

This was to counter the possibility of an opponent predicting and dodging the attack, which would leave me vulnerable.

By using lightning to restrict the enemy's movements, I could ensure that [Getsuga Tenshou] hit its mark. The result was a black slash surrounded by a torrent of blue lightning.

"No way to dodge!"

Kiba's pupils constricted. The lightning was too fast. His body was already feeling numb. Even more troublesome was that the blue lightning surrounded him, leaving no room to escape.

Kiba couldn't help but curse inwardly. 'Who starts a fight with their strongest attack?!'

The black slash reached him in an instant.

With no other choice, he swung his magic-infused demonic sword to block.

However, Kiba had underestimated the power of the attack. The moment his sword made contact, he was pushed back several meters before managing to regain his footing.

Seeing that my attack had been blocked, I didn't give Kiba any time to recover.

I immediately followed up, my body surging with lightning as I charged at him, slashing. My speed was so great that all they could see were afterimages.

Reacting quickly, Kiba turned and swung his sword to meet my attack.

Clang!

Our weapons collided, sparks flying from the point of impact. We were locked in a contest of strength, each pushing against the other.

But in this brief exchange, beads of sweat quickly formed on Kiba's forehead. It was clear that my sudden attack had put him at a disadvantage.

As Kiba struggled to catch his breath, I swiftly brought my left fist forward, striking him in the chest. With a dull thud, Kiba was sent sliding backward until he crashed into a wall.

Despite his disheveled state, Kiba had managed to block all of my attacks.

"You're really strong, Hibari-san! To force me into this state with just your swordsmanship."

Kiba looked at me with admiration.

However, none of the girls, including Kiba himself, noticed the subtle detail: during our brief exchange, I had secretly marked Kiba with the [Flying Thunder God] seal.

I placed Zangetsu on the ground in front of me and sighed.

"You're too modest. You reacted quickly and countered my sudden attacks. You're very strong."

Sigh!

As expected of a Mid-class at his peak, Kiba wasn't so easy to deal with! My surprise attack only managed to make him a little disheveled.

He hadn't suffered any real damage. It seemed my plan to win with a quick strike had failed, but that was to be expected...

Seeing the black slash and the potent lightning I had used, Rias and the others were speechless. They had never heard of such a style of swordsmanship!

Koneko stared at me in disbelief. The image of me as a shut-in was deeply ingrained in her mind. She knew I was stronger than her, but she hadn't expected me to be this strong!

I was proficient in close combat, swordsmanship, and even ranged energy attacks, even pushing Kiba to this extent.

"Hibari-senpai... is such a perverted bad boy."

The white-haired, emotionless girl stared at me with a complicated expression, then mumbled under her breath.

I was clearly this strong, yet I had pretended to be Average all this time. If Rias and the others hadn't witnessed me killing the Stray Devil, I probably would have continued to hide my abilities.

Rias was desperately trying to contain her excitement!!

She felt an overwhelming urge!!

She wanted to invite me to become her peerage member again, no matter the cost! She knew I had defeated Tomoe in kendo, but she hadn't expected me to be this powerful!

This was the first time she had seen Kiba in such a disadvantaged state.

If I became her peerage member, then perhaps her engagement… Rias bit her lip, her fair cheeks flushing red!

Akeno, seeing Rias's expression, seemed to have guessed what she was thinking.

She smiled but didn't say anything. She was looking forward to seeing how this boy she had her eye on would grow in the future.

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