At the long-awaited appearance of Kazuki Fuwa, Rias let out a cry of joy.
'Ahh~! He made it in the nick of time?'
Seeing everyone rescued by Irina and Raynare as Kazuki transformed into the Gigantic Guyver, he let out a sigh of relief.
But seeing their clothes torn, their bare skin and undergarments exposed, a murderous intent welled up within him toward the devils crawling around.
'What these bastards had intended to do was obvious.' Kazuki's killing intent, directed at them in his rage, grew even thicker, causing many to foam at the mouth, piss themselves, and faint.
"Everyone, sorry I'm late."
As he spoke, relief washed over the Gremory group's faces.
"Senpai, that form is...?"
Issei, covered in wounds likely inflicted by the devils, asked.
"Ah, it's the first time for everyone except Rias. This form is my 'Balance Breaker'—the Gigantic Guyver."
"Senpai's 'Balance Breaker'... Amazing!"
While Issei looked on with envy, Rias spoke up.
"You saved us, Kazuki. By the way, who is that knight?"
"Ah. I'll introduce her later. She is my 'Queen,' Artoria."
Hearing this, everyone was shocked.
"Your Queen... So, you've acquired a servant."
"Yeah. And also..."
Kazuki explained that he had suspected Diodora might be connected to the 'Khaos Brigade' since the previous Rating Game and had asked Azazel to investigate; that it had been confirmed, so he had obtained permission to eliminate Diodora; and that this field was covered by the Sacred Gear Dimension Lost's barrier, and they couldn't escape without destroying the barrier-generating device inside.
"I see... I understand. The tables have turned, Diodora! You have no chance of winning now. Surrender quietly! ...And that goes for all of you, too!"
Rias declared while glaring at the devils crawling around.
"Rias...! Don't think you've won!"
As Diodora shouted, his figure vanished.
"Hmm!?"
The next instant, Diodora appeared about 30 meters away. He used a secretly held 'Phoenix Tear' to heal his left wrist. Artoria glanced at him as if asking, "Shall I cut him down, again?" but Kazuki shook his head and kept her in place.
'I wouldn't be satisfied unless I crush that bastard personally.' But just as he was about to step forward, Issei reached out an arm to stop him.
"Kazuki-senpai, please let me handle him."
Their gazes met. Issei's body was battered and bruised. But the fighting spirit in his eyes hadn't dimmed at all; rather, it burned with intense rage.
Until now, Issei had only been dragged into battles because he hosted the Sacred Gear, the 『Boosted Gear』. But the current Issei was different.
The faint fear deep in his eyes had been erased, replaced by the eyes of a warrior with a firm will to protect those he loved. What had happened in the time they hadn't met? A smile formed on Kazuki at the growth of this junior, whom he thought of as a younger brother.
"Diodora has been powered up by the 'Ouroboros Dragon.' Can you handle him as you are now?"
When Kazuki asked, Issei took a step forward, his gaze fixed on Diodora.
"Yes. I will definitely beat him down!"
"Well said. Go, Issei!"
Kazuki lightly patted Issei's back.
"Osu!!"
Issei gave a spirited reply and began walking toward Diodora.
"Ha! Fool! Do you think you can win just because you punched me when I was holding back? Behold, this is my true power!!"
An immense aura rose from Diodora. Terrifying demonic power. It was incomparable to before. But why? Issei didn't feel scared at all. It was a strange feeling. Perhaps his anger had peaked, leaving his mind strangely clear and his senses sharpened.
"So what? You think I'd forgive you for betraying the current government, hurting your fellow servants, and above all, making Asia cry? Don't fuck with me! I will never forgive you! No matter how much you power up, I'll beat you down with my fists!!"
Responding to his anger, a red aura blazed around Issei. That aura far surpassed Diodora's.
[Ooh... Ooh!! You did it, partner! You've finally broken through the shell!!]
Suddenly, Ddraig cried out with joy.
[What do you mean, Ddraig? What shell?]
[The reason you hadn't reached your Balance Breaker despite being so close was that your heart was trapped in a shell. But you exposed your own weakness and accepted Asia's love. By doing so, you broke the shell and have finally attained it!]
[Attained... you don't mean!?]
[Yes! You have finally reached the complete Balance Breaker! Now is the time to shout, partner! Let it out with all your heart's feeling---!!]
"Ooooooh!---Balance Breaker!!"
Amidst the tremendous aura, Issei shouted. His entire body was covered in armor, and power surged through him.
'Amazing, is this the complete 'Balance Breaker'!?'
"'Balance Breaker'—『Boosted Gear Scale Mail』 deployment complete! Bring it on, Diodoraaaaa!!"
Intimidated by his aura, Diodora shouted.
"Tch, what do you think reaching Balance Breaker means!? Take this!!"
Diodora's demonic energy bullets closed in on him. But Issei felt no need to dodge.
Booom!!
They hit, but had no effect at all. As Issei continued walking, Diodora's face twitched, and he fired a barrage.
Ga ga ga ga gah!
Every shot hit, but it felt like being pelted by raindrops. The defensive power was insane.
"Tch, stay baaaaack!!"
Panicked, Diodora fired an extra-large demonic energy bullet. 'You idiot, at this range, you'll get caught in it too. Can't you even understand that anymore?'
"Hmph!!"
Issei swatted the energy bullet away like a fly.
"Gyaaaaaaaah!!!!"
Oops, the deflected energy bullet landed right in the middle of the bastards who were paralyzed by Kazuki's killing intent. 'Well, whatever. Fuck them!!'
"Now then, are you ready?"
"U, uwaaaaaah!!"
Diodora activated a defensive barrier. But,
"You think such a flimsy barrier can stop meeeeeeeh!!"
With a crack, the barrier shattered easily. Issei's fist plunged directly into Diodora's face.
"Gehaaaah!!"
Diodora was sent flying. One punch had swollen his cheek and made his nose bleed.
"Ug... dammit! I am a direct descendant of Astaroth, who produced the current Maou Beelzebub!? How dare a lowly reincarnated devil like you---!!"
Diodora fired a barrage of demonic energy bullets in his rage, but his aim was off. Issei easily evaded the attacks, closed in, landed one blow to the body, then smashed his fist with full force into Diodora's already contorted face.
"Fugyaaaaaaaah!!"
Diodora flew back, vomiting blood. Issei took one deliberate step after another, making his footsteps loud as he approached Diodora.
"What's wrong? Is it over already?"
"S-stay baaaaaack!!"
This time, he deployed multiple layers of defensive barriers, but he still didn't get it!
"What good is thatttttt!!"
Boost! Boost! Boost! Boost! Boost! Boost! Boost! Boost! Boost! Boost!!
With a series of light crack-crack-cracks, the barriers shattered effortlessly. Issei's boosted fist struck the hands Diodora had extended to create the barriers, utterly crushing them.
With a sickening squish of pulverized flesh, Diodora was sent flying.
"Ugyaaaaaaaaaah!! M-my haaands~~!!?"
Diodora's hands were bent and completely crushed. They were useless now.
Issei stood before the bloodied Diodora, who was crying and wailing, "It hurts! It hurts!"
"Hii! S-stop! I am a pure-blooded high-class devil noble, a descendant of Maou Beelzebub! If you kill me, the Maou won't stand for it!?"
'What is this guy even saying? After all he's done, he has the nerve to spout this bullshit...!' Overcome with rage, Issei crushed Diodora's knee under his foot.
"HigyAAAAAAAAH!!"
"...Saying that after betraying that very Maou? How fucking convenient. I have permission to finish you. At least die with some dignity, like the noble you claim to be."
Diodora trembled violently, shaking his head while tears flowed. He even pissed himself—Issei could smell it.
[Pathetic. Partner, finish him quickly.]
"Yeah."
'Right. Let's finish this quickly, and all go home.' Just as Issei raised his fist,
"Uwaaaaaah!! Help me! After all the favors I've done for you! That was our contract, right? Hurry up and save me!!"
Diodora suddenly started screaming, and the hand poised to deliver the final blow halted.
"!!?"
At that moment, a demonic energy bullet—fired from somewhere—came flying toward Issei.
----
Sorry for the cliché plot, guys.
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