Chapter 129 Sacred Gear—Unlocked!
Edited by: Kanaa-senpai
Ultimately, Aki decided against signing a formal contract with the Welsh Dragon.
His reasoning was simple: at that level of power, if someone truly intended to renege on a deal, they had a thousand ways to slip through the cracks.
The Dragon had initiated the negotiation because he respected Aki’s candid nature.
In his eyes, a person with that kind of attitude wasn’t necessarily a “good man,” but they certainly wouldn’t be a flake who’d go back on his word.
However, since Aki only held usage rights rather than true ownership, he found himself unable to merge the Boosted Gear¹ into his body.
In the end, the intimidating crimson dragon claws shimmered and condensed into the form of a fingerless glove.
The stylish, deep-red athletic glove hugged his left hand perfectly.
Aki flexed his fingers, testing the fit.
It was snug, offering a natural feel that didn’t hinder his movements in the slightest.
With a single pulse of his will, the glove instantly elongated, snapping back into its form as jagged, red steel claws.
”Fine. I’m going back to sleep. With your current ability, you don’t need a babysitter to tell you how to use your own tools,” the Welsh Dragon grumbled, his voice thick with a heavy fatigue.
The Dragon had been forced to communicate beyond his usual limits.
Usually, he could only speak through a host, but having been dragged into consciousness and forced to talk until now, his accumulated reserves were practically spent.
”While I’m under, you’ll have access to every ability the Sacred Gear² possesses. But how much of that power you can actually master? That’s entirely on you. I just hope that by the time I wake up again, your strength has grown enough to sustain my presence without collapsing.”
The emerald jewel embedded in the gauntlet went dark as the soul of the Welsh Dragon plunged back into a deep slumber.
As he faded, a stream of basic data regarding the Gear’s fundamentals automatically uploaded itself into Aki’s mind.
Aki glanced over at the unconscious Hyoudou Issei before shifting the Boosted Gear back into its glove form.
Tonight’s operation had hit a few unexpected bumps, but the overall results were undeniable.
Not only had he successfully secured a Sacred Gear, but he also didn’t have to worry about a dragon spirit peeping on his private life every second of the day.
Aki had always preferred weapons that didn’t talk back.
(Of course, if the weapon spirit happened to be a leggy supermodel, I might be willing to negotiate…)
”Looks like the resurrection prep was a waste of time,” Aki muttered.
”It seems so,” Rias replied, dispelling the barrier she had woven around the Takamine residence.
”The Welsh Dragon clearly took a liking to that boy. He actually went out of his way to return the boy’s life energy.”
Aki hadn’t expected the Dragon to have that kind of utility, but it saved him a lot of cleanup.
”President, I’ll leave Yuuma and the others in your hands. I’m going to drop Hyoudou off at home.”
Rias gave a slight nod.
A crimson magic circle flared beneath her feet, teleporting her, Himejima Akeno, and the other four back to the Occult Research Club (ORC).
Aki carried Hyoudou Issei-who was a bit pale but otherwise completely unharmed-back to his house.
After placing a quick cognitive interference spell³ on the boy to smooth over the “dream,” Aki silently slipped away and returned to the Takamine courtyard.
The garden was a wreck, littered with shattered ritual tools and the splintered remains of a massive, eerie cross.
Aki began clearing the debris, wondering who he was supposed to bill for the property damage.
He couldn’t tell if it was the backlash from the failed ritual or simply the raw pressure of the Dragon’s appearance, but everything was totaled.
If Amano Yuuma ever wanted to try and steal a Sacred Gear again, she’d have to start her shopping list from scratch.
Aki spent the rest of the night training in the courtyard.
By the time he’d burned through a massive amount of Mana⁴ and Stamina, he’d gained a functional grasp of the Gear’s core mechanics.
After a quick shower and a breakfast prepared by Takamine Sayuri, he headed toward Kuoh Academy.
His first stop was a quick check-in on Hyoudou Issei.
The boy was already busy regaling the other two members of the Pervert Trio with a vivid description of his “dream.”
Aki watched for a few moments, but once the conversation inevitably shifted toward debating breast sizes and shapes, he decided he’d seen enough and walked away.
For a normal sixteen-year-old kid, maybe a carefree life like that wasn’t such a bad deal.
(Then again… given how much of a horndog Hyoudou Issei is, if he actually had a choice, he’d probably still choose the life where he gets to touch beautiful girls.)
Leaving the main building, Aki made his way to the ORC clubroom.
He was curious to see if the reincarnation process for Amano Yuuma and her two companions was finished.
”Morning, Aki-kun.”
”Uesugi-kun, good morning.”
”Morning, Koneko. Morning, Kiba.”
After the greetings, Aki turned toward the blond swordsman.
”Kiba, you’re here pretty early. What’s the occasion?”
”We just got three new teammates, so I figured I should come by and get to know them,” Kiba said, spreading his hands with a helpless shrug.
”Personally, I can’t stand Fallen Angels or priests-I hate them, actually-but since this was the President’s decision, I’ll do my best to get along.”
Aki studied Kiba’s delicate features for a moment.
He had a vague memory of a “Holy Sword Project” plotline involving the guy, but the details were buried too deep to recall clearly.
Since Kiba didn’t seem inclined to explain, Aki didn’t push it.
He sat down next to the white-haired loli and poked at her.
”Koneko, eating sweet red bean buns this early in the morning? You’re gonna get cavities.”
”I’m a Devil. I don’t get cavities,” Koneko replied tonelessly, continuing to nibble on her bread with a blank expression.
”Fair enough. Enjoy your snack,” Aki said, reaching over to ruffle her silky, silver hair.
He savored the sensation of “petting the cat” for a moment before standing up.
”I’m going to go check on the President.”
The reincarnation for Amano Yuuma and her two friends had been a success, though it had been a costly one.
It took all eight of Rias’s Pawn pieces⁵ to pull it off.
Raynare alone had required four pieces, while Mittelt and Kalawarner took two each.
Aki headed to the practice field, where the three of them were currently testing out their new powers under the supervision of Rias and Himejima Akeno.
”Hey, Yuuma-chan. Mind if I join the party?”
Aki was feeling restless; he wanted to see how the Sacred Gear performed in a real scrap.
”Boost⁶, Boost, Boost!”
”Explosion⁷!”
That should be about right… Aki thought.
He’d tripled his power without even tapping into his Mana or Qi⁸.
He wanted to see if he could take on all three of them at once.
The fight ended much faster than he had anticipated.
With the triple boost active, the three girls couldn’t even stand their ground.
Every time they tried to clash with his crimson steel claws, the sheer impact rattled them so hard they could barely keep their grip on their weapons.
Eventually, they switched to long-range magic, but the Boosted Gear swatted the spells aside like flies.
The gap in raw power was so massive that Aki couldn’t even gauge the Gear’s full potential, but its defensive capabilities were undeniable.
As long as an attack hit his left arm, he was invincible.
If I can master the full-body armor mode, I could probably just go full Berserker, Aki mused.
Just turn my brain off and steamroll everything.
”Transfer⁹!”
Aki passed the tripled energy over to Amano Yuuma, testing out the “Dragon’s Gift” ability before finally calling the session to an end.
* * *
January 1st. A new year.
The second semester at Kuoh Academy had come to a close, and winter break was finally here.
Time flew by like water.
Two months had passed since Raynare and her group had become Rias’s dependents.
During that time, the three former Fallen Angels-now Reincarnated Devils-basically lived in the clubroom, only occasionally using a disguise to check in on the old church.
The results were exactly what Aki had expected.
Once the higher-ups realized they’d lost contact, the Fallen Angel faction didn’t even bother to investigate.
It was as if Amano Yuuma and the others had never existed in the first place.
It wasn’t until the end-of-year reports probably came due that a few low-level Fallen Angels were finally sent to staff the cathedral base.
Whatever lingering guilt Raynare felt about her “betrayal” finally evaporated, her heart growing cold to her former masters.
She officially discarded the name Raynare and took up the name Aki had insisted on: Amano Yuuma.
Mittelt and Kalawarner had considered changing theirs too, but given their foreign looks, a Japanese-style name didn’t fit them at all, so they eventually gave up on the idea.
Aki hadn’t been slacking off during those two months either.
Through “Dual Cultivation¹⁰,” he’d pushed his Mana to S-Rank and picked up several high-tier magic skills.
On top of that, he’d “taken on” several more adult-oriented heroines who had crossed his path, earning a few new Talents in the process.
Combined with his complete mastery of the Boosted Gear, he had once again reached a bottleneck in his strength.
—
[Name: Uesugi Aki]
Talents:
[Stray Devil Lineage (High-class) · Fragmented]
[Body Control (Intermediate)]
[Sword Heart (Beginner)]
[Lightning Flash · Fragmented]
[Insight Eye]
[Mental Resistance]
[Battle Intuition]
[Divine Body-Imitation Insight]
[Soul Pact]
…
Skills:
[Magic Power Extraction (Intermediate)]
[Martial Arts Mastery (Beginner)]
[Presence Erasure]
[Thunder Spear]
[Light Spear]
…
’Owned Item: Boosted Gear’
’Comprehensive Evaluation: S-Rank Peak’
—
Aki looked over his status screen and silently added a few notes.
By merging several physical talents, his [Body Control] had finally reached the Intermediate level.
He’d also managed to extract the Intermediate Magic Power Extraction skill from Kalawarner, which was a significant step up from his old Basic version.
—
Summary:
Aki acquires the Boosted Gear and successfully tests its combat potential against his newly reincarnated Devil allies. The Welsh Dragon enters a long slumber, leaving Aki with technical data and freedom from prying eyes. Two months pass, during which Aki reaches S-Rank through dual cultivation and training while the Fallen Angel faction remains indifferent to their lost members. The chapter concludes with Aki reviewing his significantly enhanced status and skills as he faces a power bottleneck
—
Trivia:
- The specific ‘H-manga’ heroines Aki interacted with to gain talents.
- The fact that Mittelt and Kalawarner require two Pawn pieces each, suggesting their base power is significant for standard Devils.
- Aki’s use of cognitive interference magic on Issei to maintain his ordinary life.
- The specific ‘Holy Sword Project’ lore that Aki remembers but cannot fully recall details of
—
Character Insight:
Aki demonstrates a shift toward tactical self-sufficiency, preferring ‘silent’ weapons over sentient ones to maintain his privacy. Raynare (Yuuma) undergoes a final emotional break from her former faction, signaling her complete transition into Aki’s inner circle.
—
Glossary:
Notes:
• Aki – A handsome, tall, and muscular sixteen-year-old freshman at Kuoh Private Academy, adopted son of the Takamine household, with sharp features, broad black bat wings, a barbed tail, and crimson-flecked eyes—once timid, now radiating dominant, predatory confidence. Master of Dual Cultivation, he channels immense stamina and life-energy transfer, mentoring Mittelt and Kalawarner while restoring the latter and plotting to steal Issei’s Boosted Gear. Romantically entangled with both of Kasumi’s daughters and Kasumi herself, he exudes a calm, weary sophistication amid family drama, admiring legs and feet, his “Great Dragon” symbolizing his physical and sexual dominance.
• Hyoudou Issei – Issei Hyoudou, a brown‑haired, average‑built high‑schooler with a mischievous face, attends Kuoh Academy. He is part of the “Pervert Trio,” known for peeping on girls, unlucky, and bears the Boosted Gear.
• Hyoudou – Issei Hyoudou, a brown‑haired, average‑built high‑schooler with a mischievous face, attends Kuoh Academy. He is part of the “Pervert Trio,” known for peeping on girls, unlucky, and bears the Boosted Gear.
• Issei – Issei Hyoudou is a brown‑haired, average‑built high‑school student at Kuoh Academy with a mischievous face and lecherous tendencies, known among the “Three Perverts.” He possesses a Longinus‑class Sacred Gear (Boosted Gear) and is currently held captive for an extraction ritual, making him the target of a deprivation rite.
• Takamine – The Takamine family name is shared by widowed matriarch Kasumi and her daughters Ayame and Sayuri, with Aki, their adopted son, now reshaping the household’s dynamics. Once governed by silent tradition, the home now thrives under a liberal, emotionally charged atmosphere as Kasumi’s long-suppressed desires surface, intertwining with Aki’s growing influence and the revelation of magic, transforming the residence into both a sanctuary and the headquarters of his evolving organization.
• Rias – Rias Gremory, 17, tall curvaceous pure‑blood High‑Class Devil with long crimson hair, crystal‑like crimson eyes, snow‑white skin and jade‑smooth back; her stray‑devil wings flare when summoned. As Kuoh Town administrator and Occult Research Club president, she mentors Aki like a big‑sister Professor, leads his peerage, wields the Power of Destruction as Crimson Ruin Princess, and commands authority over reincarnation via Evil Pieces.
• Yuuma – Amano Yuuma, the fallen angel Raynare, is a striking, curvaceous beauty with long black hair and violet eyes. A former Grigori operative, she is a petite, tsundere warrior who wields light magic. After defecting to become a Pawn in Rias Gremory’s peerage, she now serves Aki with obsessive, yielding devotion, sharing a deep physical and spiritual bond through their frequent dual cultivation.
• Y – The first initial/part of the name Y Ddraig Goch.
• Himejima Akeno – Akeno Himejima, a tall, graceful senior of the Occult Research Club in her school uniform, sports long black hair, an elegant mature beauty and a large bust. She wields golden lightning and Azure Flame magic, serves Rias Gremory as a trusted retainer and confidante, and acts as Aki’s master, giving him a surveillance familiar and overseeing the cleanup of his clash with local punks.
• Himejima – Akeno Himejima, tall and graceful senior of the Occult Research Club, bears the prestigious Himejima lineage—shrine‑maiden roots and supernatural power. With long black hair, elegant mature beauty and a pronounced figure, she wields golden lightning as Rias Gremory’s loyal confidante and retainer. She commands Aki’s surveillance familiar and oversees his punk clashes, blending refined poise with formidable authority, a key member of the Gremory inner circle.
• Akeno – Tall, curvaceous silver‑haired Orc with long black hair in a ponytail and violet eyes, she is Rias’s Queen and a high‑ranking Gremory Peerage member who aids recruitment. Polite yet sadistic, called a ‘Sadistic Priestess’, she shares a close bond with Aki, spars with him, and ranks among Rias’s three beautiful Stray Devil peers.
• Amano Yuuma – Yuuma Amano, also known as Raynare, is a fallen angel disguised as a high‑school girl to observe Aki. She has long black hair, white skin, slender waist, crystalline earlobes, and pitch‑black feathered wings. She wears a revealing black leather outfit covering only vital spots, black leather boots, and exudes a glamorous, provocative aura.
• Amano – Raynare, a fallen angel, masquerades as schoolgirl Yuma Amano in Kuoh Town. She has long black hair, a striking figure, and adopts the Amano surname to hide her true self. After reaching A-Rank with Aki she gains a black-belly nature and can instantly change clothes. The Amano name links her to the Fallen Angel faction and to Yuuma.
• Takamine Sayuri – Aki’s reserved, non-blood-related younger sister with short brown hair and gentle eyes, always dressed in a neat school uniform; excels at chores and possesses a ‘Flexibility’ talent, displaying submissive, masochistic devotion centered entirely on Aki, with maternal instincts and an unwavering desire to remain by his side, appearing in Takamine-ke no Nirinka – The Animation.
• Sayuri – The younger Takamine sister, with a long light‑purple ponytail and a slender, provocative figure, wears a tidy school uniform. Polite and submissive to her mother, she handles all domestic chores, cooks for Aki, and shows masochistic devotion, eventually urging her mother to join his intimate circle.
• Uesugi – Aki is slender, silver‑haired with calm, resolute eyes. He bears the Uesugi name, an A‑rank Stray Devil whose pragmatic, occasionally ruthless nature Kalawarner notes, linking his lineage to the Kurogane line and the Takamine family’s household dynamics.
• Koneko – White‑haired nekomata loli with fluffy cat ears, petite frame, small nose; silver‑white hair, stoic expression. Devil, first‑year ORC member of Rias Gremory’s group and Occult Research Club. She mentors Aki in brutal combat, guards his promises, silently protects those she serves, and quietly eats pink popsicles or tiramisu, fiercely territorial over food.
• Kiba – Yuuto Kiba, a slender, blond, fair‑skinned 1.7 m tall ORC knight in Rias’s peerage, wields a sword with mastery from the Kiba lineage and survived the Holy Sword experiments. Polite and composed, he despises Fallen Angels and priests from past trauma.
• Kalawarner – Tall, curvaceous fallen angel with fair skin, long blue hair, emerald eyes and a large, round bust. Associate of Raynare, subordinate to Aki, weakened and needing mana infusions. Loyal older‑sister‑type to Aki, recently A‑Rank, grateful yet insecure. Cold‑serious, internally aroused, she rides Aki to speed his cultivation.
• Mittelt – Blonde, petite Fallen Angel with twin tails, tiger‑tooth grin and black‑and‑white maid uniform, jade‑white‑red aura. A‑rank, tsundere servant of Raynare and Kalawarner, trapped in Mount Mitsu’s barrier. She serves Aki as maid, digests life energy to boost Mana, and playfully vies for his attention.
• Raynare – A black‑haired, voluptuous A‑rank Fallen Angel, known as Lady Raynare and alias Amano Yuuma, sports obsidian wings and light spears. She shifts between an innocent schoolgirl guise and a lecherous cultivation form, leads a small cadre, and mentors Aki—her master‑disciple bond turning predatory. Irked by Mittelt’s sloth, she holds intel on a dangerous Sacred Gear and participates in a high‑stakes ritual to strip it.
• Uesugi Aki – Family name of Aki.
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Edited by Kanaa-senpai.
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