Chapter 301 The Holy Sword Project & Yuki
Edited by: Kanaa-senpai
First, there are very few people capable of wielding a Holy Sword; often, not even one appears in a century.
Second, Yuuto’s body is in its current state because the Church conducted human experiments on her when she was young, attempting to artificially create a Holy Sword wielder.
Finally, there were other survivors of the Holy Sword experiments besides Yuuto. A few days ago, she accidentally stumbled upon relevant clues from Hyoudou Issei.
Combining the fragmented memories in his mind with Yuuto’s detailed account, Aki understood the Holy Sword incident—if not perfectly, then at least close enough.
However, he remained skeptical regarding the Holy Sword’s suppression of Devils.
It seems every race in this world has its own specialized weapon. Aki distinctly remembered there was a sword specifically designed to slay the Dragon Race.
They said that if a member of the Dragon Race touched it, they would be critically injured, and the current wielder of that weapon is none other than Hyoudou Issei…
After acquiring numerous bloodlines, Aki has become completely numb to the so-called “suppression” mechanics of this world.
It wasn’t just him; many people possessed abilities that were perfectly counter-intuitive to one another.
In the original timeline, Yuuto eventually mastered the power of both the Holy Sword and the Demonic Sword.
It was merely manifested in the form of a Sacred Gear—specifically, the Sacred Gear “Sword Birth” and “Blade Blacksmith.”
It seems that as long as a power is sufficiently irrational, it can be converted into a Sacred Gear and utilized.
As for how much power one can unleash, that depends on the compatibility between the user, the Sacred Gear, and their own abilities.
A high-quality Sacred Gear can multiply a user’s strength several times over.
Aki thought it was ridiculous at first, but after being here for so long, he was starting to get used to it.
From a high-dimensional perspective, everything in ‘High School DxD’ is derived from the concept of the Sacred Gear.
This is likely a fundamental rule of this world; there is no such thing as “logic.”
Aki pulled his thoughts back and carefully pondered the intelligence regarding the Holy Sword.
The true Holy Sword, the King of Swords (Excalibur), was destroyed in the war, and the Church used the fragments to create seven different Holy Swords.
Following that, the Church launched the so-called “Holy Sword Project,” attempting to mass-produce Holy Sword wielders.
But the project failed, the person in charge was punished, and the “failed products” like Yuuto were slated for execution.
Besides her, who escaped due to her body’s mutation from the experiments, there was another child who survived after awakening a barrier-type Sacred Gear, though they had been in a state of suspended animation ever since.
Aki couldn’t quite recall the specific name, but he remembered that Yuuto had a good relationship with all those who participated in the experiment, and this final survivor was definitely her close friend.
Yuuto became a Devil solely to take revenge on the Church and destroy every single Holy Sword.
Originally, she could only improve her strength step-by-step, but after witnessing Aki’s ability, she changed her mind.
Beyond Aki’s own allure, she desperately wanted to return to her female form, and that was also to become stronger, faster.
As long as the Holy Swords remained, Yuuto could never enjoy the peaceful, comfortable life she had now.
She had originally buried this matter deep in the recesses of her mind, but after coincidentally finding clues regarding the Holy Swords, she could no longer deceive herself.
Well, everything up to this point was consistent with Aki’s memory; there were minor discrepancies in the details, but nothing that affected the outcome.
However, Aki clearly remembered that the appearance of Xenovia and Irina Shidou occurred because three Holy Swords had been stolen by Fallen Angels, leading them on a chase all the way to Kuoh Town.
At the same time, Azazel arrived in Kuoh Town, followed by a series of events; once the Holy Sword plot was resolved, it transitioned smoothly into the Three Factions Talk.
But due to his influence, Azazel had long since met his end, the Fallen Angels in Kuoh Town had been thoroughly cleaned out, and the Three Factions had even signed a peace treaty. How could these two Church schoolgirl-warriors still be coming to Kuoh Town?
After agonizing over it for a moment, Aki decisively gave up on overthinking.
Rather than racking his brains here, he’d be better off asking the person involved directly.
Aki was actually quite interested in these two schoolgirls who used Holy Swords; regardless of their looks, figures, or personalities, they were exactly his type.
If he hadn’t had a chance to reach them, he would have let it go, but since the opportunity was there, he wanted to conquer them.
Thinking of this, Aki suddenly smirked.
Not long ago, he was saying there were too many women, but when the chance to interact with such tempting schoolgirls actually appeared, he still wanted to possess them completely.
Although being “devoted” makes one prone to the “Cuckold Template,” Aki’s current level of strength meant the “Bitter Parent Template” of eroge rules1 could no longer affect him.
Whether this degenerate mindset of “seeing one, wanting to claim one” was forced upon him by the Bitter Parent Template or was simply his true nature, was now impossible to say.
After mocking himself twice in his heart, Aki looked at Yuuto, “I will help you with this. Tomorrow, I’ll head to Hyoudou Issei’s place myself.” Aki stated firmly.
”Aki-kun, I want to come with you.” Yuuto requested, her voice softening.
Mastering the power within is to resolve her inner trauma, but resolving part of that trauma before mastering the power is also an option.
Because of Aki’s appearance, Yuuto’s mindset had changed significantly.
People influence one another; the Holy Sword issue was something she absolutely had to resolve.
But she was no longer the same person who needed a passionate “talk-no-jutsu” session before being able to accept the helping hand of a companion.
Yuuto said in a low voice: “Even if I can’t destroy the Holy Swords with my own hands, I must witness it with my own eyes.”
Destroy the Holy Swords…
To think you’d end up fusing a “Sword Birth” Sacred Gear yourself, not only coming to terms with the matter but even becoming companions with those two.
This is what they call ‘irony.’
Aki glanced at her, secretly chiding her in his heart.
So, it wasn’t his fault that he felt there were too many women and still wanted to claim a new schoolgirl.
Everything is the fault of one of the three great truths of the world: the ‘Irony’ theorem!
”Aki-kun, what’s wrong…” Yuuto murmured.
Noticing Aki staring at her with a strange expression, Yuuto suddenly started fidgeting, “Is there something on my face?”
Aki’s mouth twitching, and he quickly straightened his attitude.
If Yuuto could change back into a blonde, big-breasted older sister and then make that expression, he would be very happy.
But in her current form as a cheerful, handsome, blonde guy? Better not. It wasn’t that it was disgusting, just… weird.
After all, beautiful people look good no matter what expression they make—even an ahegao2 would make someone want to ravage them fiercely.
”Then we’ll set off at nine tomorrow morning.” Aki decided.
”Okay, Aki-kun.” Yuuto replied.
Yuuto also lived in the large mansion, so they just needed to set a time.
”Kiba, you can just call me by my name,” Aki said casually.
Yuuto’s expression turned sullen, “But you’ve always called me by my surname, never by my first name.”
Aki: “…”
”If you don’t mind, I can call you Yuuko. No, forget it, let’s go with Yuki instead.”
”That’s fine.” Yuuto agreed.
The name “Yuuto” was something she had adopted later; she didn’t mind the name issue at all, as long as Aki was happy.
Facing Yuuto’s eager and excited eyes, Aki tried to speak: “Yu… Yuki…”
”Yes, I’m here, Aki.” Yuuto beamed.
Yuuto flashed a handsome smile that could bewitch thousands of girls, appearing very happy.
The original is a blonde, big-breasted older sister. The original is a blonde, big-breasted older sister. The original is a blonde, big-breasted older sister…
Aki kept repeating it to himself, finally managing to suppress the indescribable feeling in his heart.
He struggled to force a smile, “Yu… Yuki, you should go back first. I’m going to stop by the Takamine Family on my way.”
Saying he was going to visit the Takamine Family was an excuse; he mainly didn’t want to continue being alone with Kiba Yuu… Yuki.
”Alright, Aki.” Yuuto conceded.
Watching Yuuto’s slightly excited back, Aki was truly determined this time to help her recover her original body.
If this continued, he really couldn’t take it, especially when school started—if people who didn’t know the situation heard him calling Yuuto “Yuki”…
He guessed rumors about him being bisexual would start spreading through Kuoh Academy.
After Yuuto left, Aki went to a convenience store to buy some snacks and drinks, killing time on his own.
There was still a good portion of the night left; once he went back, he wanted to cuddle with a real schoolgirl to repair his pure heart, which had been put through the wringer by Yuuto.
—
Summary:
Aki reflects on the history of the Holy Sword project and his own complicated desire to assist Yuuto Kiba in reclaiming her original form. Despite his reservations about his own evolving moral compass and his attraction to potential new companions, he agrees to help Yuuto confront the remaining secrets of the Holy Sword project. The interaction ends with a tense moment of forced intimacy that leaves Aki needing to clear his head.
—
Trivia:
Yuuto is currently in a male body due to past experiments by the Church.
Aki is aware of the ‘Bitter Parent Template’ as a trope from eroge games.
Aki is determined to help Yuuto revert to her original ‘blonde, big-breasted older sister’ form.
The story confirms that original canon events (like the arrival of Xenovia and Irina) have been disrupted by Aki’s actions.
—
Translation Notes:
Notes:
• Yuuto – Blonde, androgynous, and polite, this Kuoh Academy student is an A-Rank Knight in Rias’s peerage and Issei’s childhood friend. A Holy Sword Project survivor harboring intense trauma and survivor’s guilt, she aims to destroy all Holy Swords while investigating their provenance. Despite an analytical mind, supernatural awareness, and magic blade forging, her physical blocks stall her high potential.
• Y – The first initial/part of the name Y Ddraig Goch.
• Hyoudou Issei – A brown-haired Kuoh Academy high-schooler with an average build and mischievous face, Issei Hyoudou is the original host of the Boosted Gear. Infamous as part of the “Pervert Trio” for peeping on girls, he is notably unlucky but maintains close, chaotic ties with his classmates and fellow trio members.
• Hyoudou – The Hyoudou family name is carried by Issei.
• Issei – Issei Hyoudou is a brown-haired, kind-hearted Kuoh Academy student known for his lack of academic ambition, fixation on girls, and membership in the “Three Perverts.” The son of the Hyoudou family, he exhibits protective anxiety regarding his mother’s interactions with outsiders. As the host of a powerful supernatural relic, the Boosted Gear, he is the Red Dragon Emperor’s successor. He is currently captive for an extraction ritual and a source of information on Holy Sword experiments.
• Aki – A tall, handsome Kuoh Academy strategist and King-status devil with a powerful, dragon-like physique and scumbag-like charisma, he wields Dual Cultivation and soul contracts to heal, empower, and psychologically condition his growing harem of schoolgirl knights and supernatural companions. A master of magical tool control and Evil Piece distribution, he pragmatically expands his peerage while indulging his immense sexual stamina and appetite, balancing flirtatious charm with dominant control as he ascends toward Demon King-class power.
• Xenovia – A pragmatic, natural-born Holy Sword wielder and Church warrior who travels to Kuoh Town, where she acts as a schoolgirl. Intelligent yet incredibly straightforward and overly blunt, she possesses a special bloodline Talent and deeply values her pride despite harsh circumstances. To maintain peace, she values destroying dangerous weapons over recovering them, wielding a wide-bladed greatsword.
• Irina – A curvaceous schoolgirl with chestnut twin-tails, she is Issei’s childhood friend who returned to Japan as a Church warrior wielding a mimicry Holy Sword. Raised under the President, this naive believer in God Akira loves religious relics and is easily swindled. Despite her lively, simple personality, she maintains a professional demeanor when dealing with supernatural authorities in Kuoh.
• Azazel – A decadent, arrogant fallen angel and former Governor General, this middle-aged man in a neon hot-spring yukata pairs a rogue personality with immense, Demon King-class power. Defeated by and confirmed weaker in combat than Aki via Balance Breaker, he still acts as a formidable antagonist who researches Sacred Gears, provides the Occult Research Club with data, and shapes their view of Aki.
• Kiba – Yuuto Kiba is a handsome, slender, 1.7m tall blond Devil known as a campus prince. A master swordsman and survivor of the Holy Sword Project, he is a polite, composed knight in Rias Gremory’s peerage. Despite his refined demeanor, he harbors deep-seated trauma, a strong distaste for the Church, and intense hatred toward Fallen Angels and certain priests linked to his past. Also known as Yuto.
• Yuki – Previously disguised as a blonde, sharp-eyed male punk to target Aki, Shinomura Yuki is actually a petite, fierce, and daring mixed-blood demon girl at Kuoh Academy. Though she despises men, her slow-acting Disguise talent alters her form. She eventually merges with Aki’s abilities, joins his group after a magic surge, and secretly harbors a fondness for the Hamazaki trio.
• Takamine – Kasumi Takamine, a widowed matriarch, mentors her adopted son Aki in magic mastery. Alongside her tall, voluptuous daughters Ayame and Sayuri—now Gremory corporate partners—she helps Aki lead their organization under his spiritual leadership. Together, they made their home an intimate, liberal sanctuary, deeply rooting Kasumi’s influence in both family, leadership, and their managed organizations.
• Jin – A handsome, middle-aged man with half-rimmed glasses and a penchant for smoking, he is Basara’s father and a powerhouse of the hero clan. While navigating a complex web of Underworld allegiances, he acts as a guardian to his son and a potential protector for Mio. He is currently preparing to travel abroad for work.
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Edited by Kanaa-senpai.
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