Crossover-Isekai 432

Chapter 432 Crushing


Edited by: Kanaa-senpai


 ”Penetrate.”


 The crimson Red Dragon gauntlet pierced through the invisible Barrier with ease, and with the sound of shattering glass, the entire Demon King Colosseum that had been floating midair gradually crumbled apart.


 The slender Red Dragon gauntlets crossed each other, and with a snap of the fingers, the collapsing “island” was teleported outside the Demon King Castle.


 Before Vali’s stunned eyes, Aki, holding Naruse Mio, casually passed through the invisible Barrier and appeared before him.


 ”How about it? Still want to fight?”


 ”You’ve reached God-tier?”


 Vali suppressed his shock, his Mana surging rapidly.


 The white dragon armor, edged in blue and adorned with a pair of light wings, grew more high-tech by the second as it enveloped him.


 The White Dragon Armor, so similar to the crimson dragon armor, materialized before them.


 Anyone with eyes could tell exactly what was going on in this battle, seeing those two humanoid dragon armors standing in midair.


 The images of the Red Dragon Emperor and White Dragon Emperor were simply too deeply set in people’s minds, and the inheritors of the current Two Heavenly Dragons were both renowned figures.


 Neither of them was a pureblood to begin with—one carried Sirzechs Lucifer’s bloodline, the other possessed a special ability, and both had achieved Demon King-class strength at a young age.


 But now, looking at their auras—especially the Red Dragon Emperor, who was holding a red-haired Schoolgirl—the Spectators could only feel that even Demon King-class seemed like an underestimation.


 His rate of growth had always been terrifying, yet even after reaching Demon King-class, he kept that pace. It was no longer just terrifying—it was absurd.


 Others might still have doubts, but Vali, facing Aki directly, had none.


 The question that slipped out was instinct. The moment Aki effortlessly shattered the Barrier and teleported the collapsing Colosseum away, Vali already understood he was no match.


 Of course, even with Aki’s current strength, pulling off such a casual feat wasn’t easy. That’s why he’d directly activated the Red Dragon Emperor’s Boost and Penetrate abilities.


 The Red Dragon Emperor’s Penetrate ability could pierce through defenses, serving as the counterpart to the White Dragon Emperor’s Reflect ability. Additionally, this ability could combine with other powers to create entirely new properties.


 For example, when applied to the eyes, it granted X-ray vision…


 Ahem. Aki had long since moved past such lowbrow tastes. If he wanted to see, he could just strip them directly.


 Peeping was frankly rather perverted, and besides, you risked seeing something that’d scar your eyes.


 He’d transformed into Balance Breaker mode not just to show off, but also to end things quickly.


 The mastermind had been drawn out, but not a single one of his actual targets had shown themselves.


 Earlier, he’d sensed two powerful yet unfamiliar presences, but the moment the Old Devils made their move, they suddenly vanished.


 Aki couldn’t confirm whether it was Sephie and Liala, but regardless of who they were, he couldn’t just leave them be.


 Aki released Naruse Mio, and she didn’t dawdle, quickly regrouping with Lucia and Shela.


 Together with Leohart, who still had some fighting strength left, they finally managed to hold back the unstoppable Child of Chaos.


 Vali eyed Aki warily. Though he knew he was outmatched, his pride wouldn’t allow him to flee.


 ”You’ve been pretending all this time just to bait me out?”


 ”Don’t overthink it. I had no idea you’d be coming before this. I didn’t even know Khaos Brigade was involved.”


 Aki honestly didn’t want to waste time with Vali, but at the moment, he wasn’t sure how to resolve this either.


 Aki recalled that Vali also had several quality girls around him, one of whom was a black-haired, straight-laced, expressionless loli.


 But her screen time in the anime was pretty limited, so his memory was fuzzy.


 More importantly, he didn’t actually dislike Vali, and he wasn’t ready to face the Infinite Dragon God Ophis directly.


 If Vali actually died here, Ophis might be restricted from directly attacking Aki, but he’d never have a peaceful day afterward.


 To put it bluntly, dealing with Khaos Brigade was supposed to be the job of faction leaders like Sirzechs and Michael. Aki charging in headfirst as the vanguard was just plain stupid.


 He and Vali had no mortal enmity. The Red Dragon Emperor and White Dragon Emperor had always been rivals and allies, meant to fight and respect each other.


 Vali didn’t doubt Aki’s words. There was no reason for Aki to lie to him at this point.


 ”Then you were—”


 Just as he was thinking, a spatial fluctuation rippled from the side of the battlefield.


 Seeing the crimson hair flowing in the wind—Rias—and behind her, Himejima Akeno leading the rest of the Divine Research Society members, Vali’s confusion dissipated entirely.


 Of course. If he could be here doing missions for Khaos Brigade, then Aki could naturally be working for the Gremory household… no, more accurately, he was doing it for Rias’s benefit.


 Seeing Rias and the girls arrive, Aki had no choice but to press the attack and quickly send Vali packing so he could deal with more pressing matters.


 If the person who’d come this time were someone he didn’t know—even if it were Sun Wukong—he could attempt to capture them alive. But Vali was simply out of the question.


 It wasn’t that he couldn’t do it, but given Vali’s temperament, he’d probably rather self-destruct than surrender.


 Even with High God-tier strength, Aki couldn’t guarantee he could capture alive someone with the White Dragon Emperor’s ability, someone who was already near God-tier level.


 Killing and capturing alive were two entirely different things. If the former was Easy Mode, the latter was Nightmare difficulty.


 Vali truly lived up to his reputation as the strongest White Dragon Emperor in history, having pushed his Sacred Gear’s ability almost to its absolute limit.


 Using his incredible speed, combined with the halving and reflection properties, he actually managed to hold off Aki’s assault for a time.


 Though Aki hadn’t even used a tenth of his power.


 A God-tier being versus a Demon King-class was already a total mismatch, and with the amplification from the Red Dragon Emperor’s Balance Breaker, he was afraid of accidentally killing Vali.


 After skirmishing for a while, Vali also noticed Aki’s distracted state. Though inwardly frustrated and humiliated, he also felt relieved.


 ”I’ll remember this. Next time we meet, I’ll go easy on—”


 ”Just get lost. Try beating me first before you talk.”


 Aki scoffed. Now that he’d surpassed him, there was no chance of a comeback.


 Vali’s face darkened beneath his helmet. If not for his remaining shred of reason, he might have activated his Juggernaut Drive (Balance Breaker) right then and turned it into a fight to the death.


 Ignoring the White Dragon Emperor frozen in midair, Aki deactivated Balance Breaker mode, pulled out his cell phone from his pocket, and checked the time.


 Well, even without network, it still worked fine as a watch.


 It was 14:32, the hottest time of day.


 The Colosseum had opened around late morning, and by now, the sun was just beginning its westward descent.


 Wave after wave of enemies and reinforcements had dragged what should have been a lightning-fast war out to several hours.


 With Rias and the girls joining the fray, the Heroic Spirit army and Old Devils were thoroughly routed.


 But the Child of Chaos was still rampaging.


 All the Demon King-class fighters combined could hold it back and prevent it from advancing, but that was the extent of their capability.


 Killing a God-tier being—even one weakened to its absolute limit—was simply beyond the reach of anyone below God-tier.


 Aki thought for a moment. Since his strength was already exposed, he might as well go all the way.


 Using the downfall of a long-established Outer God to announce his ascension to God-tier seemed… well, he didn’t quite know how to put it, but it was definitely cool.


 Though the Child of Chaos was weak, its reputation was considerable—partly because of the Heroic Spirit army, and partly because being weak was why it had survived the wars of old.


 The stronger Outer Gods had long been eliminated by the God-tier powerhouses of the Three Realms. Only weaklings like this one got ignored and merely sealed away.


 Come to think of it, the Child of Chaos had lost all rationality—was that because being sealed had driven it stupid, or because Curia’s old bastards had tampered with it…


 An Outer God capable of commanding armies couldn’t be unintelligent, even if not too bright.


 Aki figured it was most likely the latter, but by now, none of that mattered anymore.


 Teleporting directly in front of the Child of Chaos, Aki didn’t use Balance Breaker mode. Instead, he revealed his Combat Form—twelve wings arranged in neat rows, six pairs in total, with a full set of light-ring special effects.


 After breaking through to God-tier and fusing to form his Origin bloodline, the last traces of conflict between the various energies within his body vanished.


 Devil, Angel, and Fallen Angel auras perfectly attached themselves to their respective wings, while his already handsome features gained an added touch of Charm and cold severity under the influence of his Nekomata and Succubus bloodlines.


 Compared to the mountainous, colossal form of the Child of Chaos, Aki hovering before it looked like nothing more than an ant. But the moment Aki stood in its path, it instinctively stopped—its wild, chaotic assault grinding to a halt.


 Its combat instincts were screaming a warning: take one more step, and you’ll die.


 Rias and the others also stopped in unison, their gazes fixed intently on Aki.


 Excluding their bedchamber battles, this was their first time witnessing Aki’s true combat power post-God-tier.


 ”President, has Aki gotten even better looking?” one of the girls asked.


 Rias nodded thoughtfully. “Mm. Getting stronger is a process of life evolution. The more powerful one becomes, the closer they naturally align with the ideal of a perfect being.”


 ”I knew it,” another chimed in. “I’d been feeling that Aki was becoming more attractive to me, and seeing him in this form confirms it.”


 ”Speaking of which, with Abyss-type monsters whose power completely defies the essence of life… does being uglier make them stronger?” a third girl wondered aloud.


 ”Not necessarily ugly,” Rias replied. “But the weirder and more abstract they look, the stronger they tend to be.”


 …


 While the girls chattered away, Aki finished charging his attack.


 That was the downside of close combat—against opponents of such massive scale, it was hard to finish them off with style and grace.


 Fortunately, the Child of Chaos was stupid enough. Instinct had made it stop, but it hadn’t taught it to retreat.


 Merging the Destruction power and Lightning Strike—two formidable traits—and amplified through the Red Dragon gauntlet formed by Boosted Gear, Aki’s fist came crashing down upon the Child of Chaos’s brow with devastating force.


 The Child of Chaos let out a tremendous roar. This time, it wasn’t just rage—there was unmistakable fear in it, fear plain enough for anyone to hear.


 The fear of death.


 ”Damn, this kid’s too impatient…”


 Sephie frowned as she observed the battle through her projection. Just as she was about to teleport in to help, Liala tugged at her sleeve.


 ”Sephie, have you been in hiding so long you’ve gone dull? Clearly he’s holding back.”


 After their parents died, Liala had completely lost any attachment to the Demon King Castle. But Sephie was different—this was, after all, the place that had raised her, and the legacy her family had fought for.


 Their differing mindsets meant that although both possessed God-tier strength, the things they perceived were somewhat different.


 —


 Summary:

 Aki effortlessly shatters the Demon King Colosseum’s Barrier and teleports the collapsing structure away, revealing his God-tier strength to Vali. After a brief confrontation where Vali refuses to flee despite knowing he’s outmatched, Rias arrives with reinforcements to support Aki. Aki then moves to deal with the Child of Chaos directly, revealing his Combat Form and preparing to finish the weakened Outer God, while Sephie and Liala observe from the shadows with differing perspectives on his capabilities.


 —


 Trivia:

 Aki used both Boost and Penetrate abilities simultaneously to achieve his casual display of power against the Barrier.

 The Penetrate ability can combine with other powers to create new properties, including X-ray vision when applied to eyes.

 Aki specifically avoids killing Vali because Ophis would retaliate indirectly, making his life difficult.

 Vali has access to Juggernaut Drive (Balance Breaker) but chooses not to activate it despite being humiliated.

 Aki’s Combat Form features twelve wings (six pairs) representing his Devil, Angel, and Fallen Angel energies.

 His Nekomata and Succubus bloodlines influence his appearance, adding charm and cold severity.

 The Child of Chaos survived previous wars specifically because it was weak enough to be ignored and sealed.

 Curia’s old bastards may have tampered with the Child of Chaos, causing its loss of rationality.

 Sephie and Liala have different perspectives despite both being God-tier due to their different emotional attachments to Demon King Castle.

 Aki’s Origin bloodline eliminated all internal energy conflicts between his various powers.

 The Divine Research Society members’ casual conversation reveals they’ve observed Aki’s physical evolution as his power grows.

 Abyss monsters’ power correlates inversely with their conventional attractiveness.

 Aki’s cell phone functions as a watch even without network connectivity.

 The battle at the Colosseum started around late morning and has dragged on until 14:32.


Notes:


• Naruse Mio – A gifted 17-year-old and daughter of the late Demon King Wilbert, she is a defiant, tsundere high schooler with signature red twin ponytails. Aki’s loyal girlfriend, she carries her father’s legacy while navigating the Gremory peerage and political intrigue. Despite her naivety, she boldly rejects the throne and manipulation, relying on Aki’s guidance and their bond to survive the supernatural world.

• Naruse – Mio Naruse is a fair-skinned, red-haired schoolgirl with a voluptuous build who serves as a Demon King heir and Bishop in Aki’s peerage. Protected by the Gremory household, this “Sister Flower” evolves from a hesitant tsundere into Aki’s devoted, polyamorous partner. She maintains deep, essential bonds with her sister Maria, friend Kurumi, and her adoptive parents, forming the core Naruse family.

• Vali – A stoic, arrogant half-demon youth of Ancient Devil blood, this battle-crazed individual is the White Dragon Emperor, Albion. Wearing resplendent white armor with light-absorbing wings, he triggers Balance Breaker at will. Taken in by Azazel but later joining the Khaos Brigade, this cynical warrior seeks a fated rival, though Governor Shemhaza admits his actions reflect a lack of supervision.

• Aki – A tall, handsome Kuoh Academy student and Red Dragon Emperor, he is a reincarnated cultivator who currently inhabits a pitch-black cat form with piercing azure eyes. Calculating and protective, he commands the Boosted Gear and Origin Blood. Connected to the Gremory household and Naruse Mio via a Soul Network, he manages a vast harem while navigating ancient conspiracies and his own feline instincts.

• Mio – Mio Naruse is a fair-skinned, voluptuous Kuoh Academy student with red twin-tails. As the Demon King’s daughter and Maria’s sister, she is a powerful Bishop in Aki’s peerage, currently managing sealed abilities involving gravity and hellfire. A proud, envious tsundere, she shares a deep, intimate bond with Aki while her presence often invites scrutiny, including comparisons to figures like Chisato.

• Y – The first initial/part of the name Y Ddraig Goch.

• Sirzechs – Sirzechs Gremory, the red-haired Demon King Lucifer, is a formidable strategist and Rias’s brother. Known for his battlefield prowess, he charmed the enemy general Grayfia into defecting, later marrying her and fathering Georgix. A complex, often elusive leader, he balances diplomatic duties and rebuilding the Underworld with a cultivation obsession that frequently strains his family life, yet he remains an ally to Aki.

• Lucifer – A house name associated with the White Dragon Emperor’s lineage. An original Demon King whose lineage is inherited by Vali.

• Sephie – The younger sister of Wilbert who possesses Demon King-class strength.

• Liala – A white-gold-haired Devil believed to be a God-tier existence under surveillance.

• Lucia – A tall, elegant, white-haired succubus maid with an icy demeanor, she defies her nature through abstinence. As Shela’s daughter and Maria’s sister, she possesses Wilbert’s blood but leans toward her succubus lineage. Often overlooked, this companion of Naruse Mio is a confidante to the family, secretly vulnerable, and deeply invested in Aki, absorbing his energy while grappling with her feelings.

• Shela – A petite, white-haired Succubus Queen with ram horns and violet eyes, she balances youthful looks with a mature, cunning personality. A survivor of the Three-Way War and intuitive teacher, she lives in Aki’s household as a devoted partner and mother to Mio, Lucia, and Maria. Though she once sought to pair Aki with her daughters, she now claims him, blending matronly grace with strategic protection.

• Leohart – The young, dark-skinned Demon King with purple magical tattoos and a penchant for combat-ready attire rules the Demon King Castle following Wilbert’s death. Possessing Wilbert’s bloodline, he governs reasonably despite being under the Curia’s thumb. Though struggling against ancient schemers, he remains strategically clever, balancing casual regality with blunt, commanding authority when threatened.

• Ophis – The Infinite Dragon God, an initiator of the Khaos Brigade who refuses to coddle others.

• Michael – A handsome, pragmatic Archangel in golden armor, he leads Heaven and the surviving Seraphs after God’s disappearance. Wielding a dragon-slaying Holy Sword, he possesses power exceeding a Super-Devil and unmatched intelligence. He maintains the System to preserve peace among the Three Factions, prioritizing order over individual lives, and modified the Holy Sword Project’s fatal rituals.

• Himejima Akeno – A buxom, black-haired student and member of the Gremory peerage, this “Lightning Flash” is a key ally to Rias and a devoted lover to Aki. Known for a calm, calculating demeanor that shifts to a sultry energy, she is a central figure in Aki’s inner circle. Dedicated to supporting Rias with magic, she remains a poised and essential presence within the group, even navigating complex personal dynamics.

• Himejima – Akeno Himejima is a tall, curvaceous Kuoh Academy senior, high-ranking Devil retainer in Rias Gremory’s peerage, and a powerful Occult Research Club member known for her strength in combat. Bound by a Soul Contract to Aki, she possesses long black hair and a queen-like demeanor. Combining sadistic charm with maternal authority, she wields golden lightning and is deeply loyal to Rias and Aki.

• Akeno – Himejima is a tall, voluptuous Orc-devil shrine maiden with red eyes, dark wings, and calf-length raven hair. The sadistic, black-bellied “Priestess of Thunder” serves as Rias Gremory’s loyal S+ rank Queen and administrator. As Akira’s soul-bound, dedicated partner, she maintains a deep bond, frequently participating in dual cultivation while constantly longing for his attention.

• Rias – Rias Gremory, a sharp, playful high-class devil and Gremory heiress, is Sirzechs’s sister and daughter of Venelana. Known for her crimson hair, she heads the Occult Research Club, protecting her peerage including Mio, Xenovia, and Maria. As Aki’s fiancée and partner privy to his transmigration, she guides his cultivation while navigating complex feelings toward his pursuit of Grayfia and her mother.

• Gremory – Rias Gremory, a pure-blood devil of the prestigious Gremory household, has striking crimson hair, blue eyes, a curvy figure, and a prominent bust. Wielding top-level demonic power, she governs Kuoh Academy’s hidden hierarchy and leads her Gremory family members in a high-stakes competition against the rival Phoenix clan.

• Wukong – A short-haired youth who wields a staff and possesses a confident, relaxed, and slightly arrogant demeanor.

• Curia – Demon King Castle elder. Proposed the Colosseum death match method as a political maneuver. Plans to exploit Leohart’s confinement to eliminate his supporters using spiritual power. Has contingencies to force Naruse Mio’s entry. Refrains from interfering with Naruse Mio and Leohart’s interactions, even encouraging them.


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Edited by Kanaa-senpai.
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