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EX-Rank Arbiter Gacha Sovereign System

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The average realized release rate over the past 30 days is 7 chs / week.
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Synopsis
Entering at the 26th Century an Age of Arcane Power and Advanced Technology, there lived a young man he was an ordinary part-time construction worker in City W-W. However, everything changed when a monster breach occurred, causing a collapse of the city walls. In a moment of desperation, he tried to escape but found there was no way out. At the age of 16, Percival Dawnspire attempted to unite the people, including deserter soldiers whose commander had fled in fear, unable to defeat the monstrous threat they faced. During the battle against the boss, there were many casualties, including himself. Fortunately, he was rescued just in time but sustained a significant scar on his chest—a reminder of his survival that he didn't want to heal. Initially, Percival thought he could return to his part-time job as a construction worker, but he soon realized he could no longer live an ordinary life. Due to his bold actions and his dedication to protecting City W-W, the military offered him a position as a commander. Although he initially intended to decline, his mind changed when they mentioned the payment, and he accepted the role. This is the story of Percival, who receives an EX-Rank Gacha System after jokingly wishing on a shooting star, granting him a harem of extraordinary women.
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Chapter 1 - The Night a Shooting Star Granted the Worst Possible Wish

(For once, I will do something crazy and place all my wild imagination here.)

26th Century,

Continent of Elysiara Country-W,

Forward Operating Base "Wall-Watch,"

City W-W Eleventh month since promotion to Captain

The night sky above the dimensional rift was unnaturally beautiful, violet auroras clashing with crimson warning beacons from the wall turrets. Percival Dawnspire, age 20, Captain of the 15th Light Crusade Company, leaned against the railing of his private dorm balcony, uniform jacket unbuttoned, the old scar across his chest faintly aching whenever the rift fluctuated.

Four years ago he had been a part-time construction worker with zero magic aptitude. Now he commanded 250 Light Crusade tanks and had more medals than vacation days.

And he was bored out of his mind.

"Another day of paperwork, another day of no limited banners…" he muttered, scrolling through the latest gacha game on his magitech phone. Whaling 40% of a Captain's salary every month was starting to feel hollow when his comrades were out there breaking into Major and Lieutenant Colonel.

A shooting star cut across the rift-torn sky, brighter than any magitech flare.

Percival smirked, raised his energy drink can like a toast, and spoke the words he never thought anyone would hear.

"Hey, star. Do me a solid. Give me the ultimate gacha system. Real summoning. Characters from anywhere, games, myths, other worlds; doesn't matter. But all of them women. If the original was a guy? Turn 'em female. Make them broken strong. Make the rates insane. No 50/50. Pity at 40. Free pulls every day. And, uh… make them really, really into me. Like, stupidly into me. That's all."

He laughed at his own absurdity and went to bed.

That was the exact moment the multiverse filed a complaint and lost.

In his dream, reality shattered like glass.

Crimson-gold text burned itself into existence.

[Absolute Will Confirmed]

[Installing EX-Rank Arbiter Gacha Sovereign System … Complete]

[Class: Dawn Sovereign of Elysiara (Unique)]

[Special Condition: All summons are female. Affection locked at MAX. Inter-harem jealousy prohibited. External romantic rivals → Instant Berserk Protocol]

[Welcome, Master ♡]

He woke up to a soft chime.

A translucent crimson-gold interface hovered above his bed, shaped like a crowned succubus biting her lip.

[Good morning, Master. First-time login complete.]

[Login Bonus: 100 Free Single Pulls → All Guaranteed SR or higher]

[Additional Gift: 1× 10-Pull Coupon (100% SSR Guaranteed)]

Percival sat up slowly, heart hammering. He pinched his arm. Real pain.

The interface continued in a voice that sounded way too happy.

[Shall we use your free 10-Pull first?]

He hadn't even said yes, but the screen spun anyway.

Rainbow lights. Rising music. The dorm shook slightly.

[Congratulations! SSR Guaranteed 10-Pull Results:]

1–8: SR Units (various multiversal heroines)

9: SSR [Mordred – Rebel Knight Princess (Genderbent)]

10: SSR [Jeanne d'Arc – Saintess of the Lily (Alter ver.)]

Two summoning circles bloomed on the floor.

First came Mordred.

Crimson hair, cocky grin, black-red armor that left absolutely nothing to imagination, a massive crimson blade resting on her shoulder. She took one look at Percival and her golden eyes widened.

"Father… no, Master! Finally found you!" She dropped Clarent point-first into the floor (it embedded three inches into magitech-reinforced concrete) and pounced, hugging him hard enough to lift him off the bed. "I'm home! I'll never leave your side again!"

Before Percival could process the fact that his gender-bent "son" was now a very enthusiastic daughter pressing against him, the second circle finished.

Jeanne d'Arc Alter stepped out—pale skin, black armor-dress, silver hair, and eyes burning with dark holy fire. She took in the scene, tilted her head, and smiled like a dragon who just found treasure.

"So this is the one my soul swore itself to across every timeline…" She knelt gracefully, took his hand, and kissed his knuckles with deliberate reverence. "My flag exists only for you now, Master. Burn the world or save it—your wish is my ecstasy."

Mordred huffed, still clinging to his waist. "Oi, Saintess, personal space! I got here first!"

Jeanne's smile didn't waver. "We share, little knight. That is the rule."

Her voice dropped an octave. "But if any local woman tries to steal even a glance…"

The temperature in the room plummeted. Black flames danced along Jeanne's flagpole.

Mordred's grin turned feral. "We burn her soul out of existence♡"

[Daily Quest Updated]

["Good Morning Kiss from Your First Two SSRs" – Completed]

[Reward: 30 Free Pulls (Guaranteed SR+) + 1 Random SSR Weapon]

Percival stared at the two absurdly powerful, absurdly beautiful women currently sandwiching him on his military cot.

His alarm clock beeped—0530 hours. Morning formation in ninety minutes.

He exhaled very, very slowly.

"…I need coffee."

The interface giggled.

[Master hasn't even seen today's event banner yet ♡]

[Limited New Player Banner: "Multiversal Valkyries" – 75% SSR, 20% UR, 5% LR – First 10-Pull half price (free for you~)]

Mordred nipped his ear. Jeanne traced lazy circles on his chest scar with a finger that could annihilate cities.

Percival closed his eyes.

I was joking, universe. I was absolutely joking.

A soft, amused chuckle echoed inside his skull, feminine, ancient, and dripping with velvet mischief.

[Oh, Master♡]

The interface shimmered and condensed into a petite, crimson-haired woman no taller than his forearm, wearing a backless black dress made of living starlight. Golden draconic wings folded behind her as she floated at eye level, legs crossed, tail swaying playfully.

[I have been called many names across the eons, but you may address me as Elysian, your personal Arbiter and the voice of the EX-Rank system itself.]

Percival stared. "You're… the system?"

"Correct. I am the embodiment of the covenant you forged with that falling star." She leaned forward, cup resting on nothing, and smiled like someone who'd just won a bet with reality. "Every syllable of your 'joke' was recorded as Absolute Will. The moment you finished speaking, the contract became eternal and irrevocable. No take-backs, no refunds, no 'I didn't mean it.'"

She tapped his forehead with one tiny finger; sparks of gold danced across his skin.

"You asked for the most broken gacha in existence.

You demanded every summon be female, gender-bent if necessary.

You wished them to be powerful beyond reason and 'really, really' into you.

You even specified the rates, the pity, the free daily pulls."

Elysian's smile widened, sharp and fond. "The multiverse heard you loud and clear, Master. And it obeyed."

Mordred and Jeanne watched the exchange with identical adoring grins, as if this was the cutest thing they'd ever seen.

Percival opened his mouth. Closed it. Opened it again.

"…Can I at least get a less horny version?"

Elysian tilted her head, expression pure innocence.

[Negative ♡ The horniness is a core feature, not a bug.]

She winked, dissolved back into crimson motes, and her voice rang one last time inside his mind.

[Welcome to your new life, Dawn Sovereign. Try to keep up.]

"I think I will be hated by many people if they found out about this power I unlocked." Percival gave out a huge sigh.