Azazel's voice dropped into a low murmur, one heavy with significance.
"The Khaos Brigade."
"The Khaos... Brigade?" Kazuki echoed. The name didn't ring any bells.
"I've never heard of them either," Michael said, frowning. "Who are they?"
Even Lord Sirzechs and Archangel Michael seemed unfamiliar with the name, turning expectant gazes toward Azazel for an explanation.
Khaos Brigade – A terrorist organization rejecting the peace between the Three Factions.
Composed of outcasts from the major powers—Fallen Angels, Angels, and Devils—this volatile group thrives on destruction and chaos. Many among them are Sacred Gear users who have reached the dangerous Balance Breaker state.
At the top sits the legendary Infinite Dragon God, Ophis. However, the Brigade isn't a unified entity. It's a fractured alliance: Old Satan Faction, Hero Faction, and Magician Faction—each acting with their own twisted goals.
In the original storyline, even the White Dragon Emperor Vali forms her own faction under their banner.
But in this timeline… things were about to get even messier.
After Azazel laid it all out, Sirzechs and the others looked visibly disturbed.
And then—
"Fufufu… As expected of Azazel. Yes, you're right. The one who stands atop the Khaos Brigade is none other than Ophis."
An unfamiliar woman's voice echoed in the chamber.
The floor beneath them shimmered. A strange magic circle pulsed into existence.
"Tch... So she's the mastermind behind this," Sirzechs muttered with a scowl. Serafall's expression darkened.
A moment later, the summoning circle completed, and from its center emerged a tanned woman with glasses perched elegantly on her face, and a scandalously revealing dress.
Her massive tits spilled out of the low-cut neckline, and the slit in her skirt left little to the imagination.
Even Issei would've had a spontaneous nosebleed.
"Good day to you… Current Maou Sirzechs," she said with a mocking smile.
Sirzechs didn't flinch. "Katerea Leviathan… What business does a descendant of the Old Leviathan have here?"
Katerea Leviathan—true to her name—was the blood heir to the original Maou Leviathan.
When the former Satan perished in the Great War, a new generation of powerful young devils like Sirzechs and Serafall were chosen to lead.
Katerea had opposed the new order until the bitter end, demanding continued resistance.
She became part of the "Old Satan Faction," which was eventually defeated and exiled to the outer fringes of the Underworld.
That same Katerea had now returned, her hatred for the current regime still burning, and had aligned herself with the Khaos Brigade.
From what Azazel had explained, her faction had grown into a formidable force.
"Katerea-chan, why…?!" Serafall's voice trembled.
"Shut up, Serafall! You stole my rightful title! How dare you stand there pretending to be a Demon Lord… when I'm the true heir of Leviathan's blood! I should have been chosen, not you!"
"Katerea-chan, I…"
"Tch… So it's just jealousy. How petty," Kazuki said bluntly, stepping forward.
Everyone—Sirzechs, Michael, Azazel, even Serafall—turned toward him with surprise, some stunned, others amused.
However, Katerea… she froze, her face twitching with disbelief.
"W-what did you just say…?"
Kazuki didn't let up. "You didn't hear me the first time? You've been ranting about how you're the rightful Demon Lord because of your bloodline, but let's be real—bloodline's the only thing you've got. You don't match Serafall-nee-san in power, beauty, charisma, or anything."
His eyes narrowed, voice like steel.
"You're just jealous~! Serafall-nee-san's been ruling as Maou for years. What the hell's the point of dragging up some dusty old grudge now? You think anyone gives a fuck?"
That was the last straw. Azazel couldn't hold it in anymore, he burst out laughing, shoulders shaking from the outburst.
"Pfft… Kukukuku…"
"What the hell is so funny, Azazel?!" Katerea hissed, her once smug composure crumbling into visible irritation.
Azazel smirked. "He's got a point, you know. You put on a nice show with all your speeches about 'rightful rule' and 'bloodline'—but underneath all that, it's just pathetic jealousy. You're shallow as hell. Like one of those cliché villains who dies first in a movie."
"Azazel!" Katerea's scream was filled with rage. "How far are you planning to mock me?!"
Her magical aura exploded, dark energy crackling around her voluptuous body as she flared up in fury.
Her dress clung to her like a second skin, rising slightly as power surged through her legs and arms.
Azazel looked amused and was just about to step forward, but Kazuki raised a hand to stop him.
"Please don't, Governor Azazel. Don't go stealing my prey."
The two locked eyes. After a moment, Azazel exhaled with a grin and backed off.
"Tch… fine. I get it. You've got dibs."
"Appreciated." Kazuki turned toward the two Demon Lords. "Sirzechs-sama, Serafall-nee-san—may I?"
Serafall's voice wavered. "Katerea-chan, are you really not going to back down?"
"Don't mock me! Once I'm done with that brat, you're next, Serafall!" Katerea shrieked. "I'll rip you apart and show the world I am the true Leviathan Demon Lord!"
There was no reasoning with her. But Kazuki hadn't expected otherwise.
"…A shame, Katerea," Sirzechs sighed. "Kazuki-kun, do it."
"Understood."
With permission granted, Kazuki focused his magical powers into his legs, condensing the power until it practically vibrated off his skin. In a blur of speed, he shot forward like a bullet.
"W-What the—Guhh!!"
His fist blow into her stomach in a crushing uppercut—the Tiger Cannon, a move that had become one of his signature openers.
The sheer impact launched Katerea through the air, shattering a window as she was hurled out of the building and into the open sky.
"I'll be back," Kazuki said coolly.
"Be careful," Rias replied, her crimson eyes meeting his for a brief moment.
Without another word, he leapt out after Katerea, the rush of wind whipping through his coat as he soared into battle.
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