Chapter 510 Dragon God-Level*
Edited by: Kanaa-senpai
For about three or four minutes, Serafall’s eyes stayed unfocused, completely ignoring Aki’s cal. Her cute, sexy, delicate magical girl outfit was full of signs of rough ravishment, hanging loosely on her trembling, exhausted body.
Yet in the middle of this daze, her mana was visibly growing.
An invisible bottleneck was easily broken. Serafall officially became a High God.
But her power kept climbing. It only stopped once the life essence inside her was fully digested.
By then, her strength was nearing Sub-Dragon God-Class.
In just a few minutes, Serafall had crossed a power gap that normally took years.
Before she could feel happy about it, the tightly-holding Aki gave off an even deeper, more vast aura.
After absorbing Serafall’s Mid-God virgin goddess yin essence, Aki finally took that last half-step and became one of the strongest existences in this world – Dragon God-Level.
Showing a pleased smile, Aki lowered his head and kissed Serafall’s delicate, flushed cheek.
He knew breakthrough was close, but actually making it still felt incredibly thrilling.
The girl’s wet flower path was still tight, but already in a satisfied exhaustion like her Master.
Thanks to the boost from power increase and the dual cultivation ability, Serafall wasn’t actually that tired. She was in better condition than ever.
The exhaustion was more from satisfaction and over-excitement.
So Aki only needed a little effort to smoothly pull Little Aki (Aki’s member) out. Watching the bulge on Serafall’s smooth belly slowly fade, he resisted the urge to shove his already-hard member back in and gently placed the limp, spasming Serafall on the sofa.
Straddling the girl, looking down at Serafall – her “being coerced by her lousy brother-in-law into a room and eaten clean” look – Aki silently started planning for the next round.
”Heh… this cosplay outfit is completely ruined now.”
The Demon King schoolgirl, finally coming back to her senses, smiled seductively at Aki. The rain created by the magic spell seemed to fall into her eyes – wet red pupils, ready to drip.
Without defenses, facing up at Aki, whose beautiful muscles were exposed after stripping, Serafall’s legs fell weakly open – revealing her heavily red-marked pubic triangle.
”I can’t… even close my legs anymore… Aki, please be gentle…”
Devil instinct controlled the girl’s brain, offering a lewd plea to the Aki looking down at her indecent posture.
Seems… there’s a problem…
Aki scratched his cheek, feeling a little troubled.
With Serafall’s incredibly mature, tempting body, he probably wouldn’t be able to hold back well.
The previous dual cultivation was already rough enough considering Serafall was a virgin. Now that the Demon King’s power grew, and she had experience, he might be even more unrestrained.
But no matter how strong her body was, how good her constitution – Serafall beneath him was first and foremost a woman, a girl, a newly-deflowered virgin.
If he responded to every provocation with brute force, the relationship might dangerously veer toward sexual toy and Master.
Even against Serafall’s current desires, Aki didn’t want to turn her into a mindless lust-obsessed sow.
He trusted Serafall’s willpower, but didn’t want to gamble.
Anyway, gentle methods were something he was pretty good at too.
He turned the Serafall beneath him over and lightly patted her still-trembling, perky ass. Serafall understood, supporting herself on the sofa with both hands.
Her black silk stockings tattered, her snow-white ass raised to level with Aki’s lower abdomen.
The male body heat centimeters away made Serafall’s waist go weak. But the expected numbing fullness didn’t come. She couldn’t help turning her head to look at Aki caressing her ass.
He answered with a subtle, gentle smile, only letting his crown lightly kiss her swollen, flushed petals.
A sudden night wind carried cold moisture through the bedroom, gently stirring the fire, blowing away the thick, sticky heat in the air. A bit of clarity returned to the girl’s eyes.
The Little Aki (Aki’s member) so close to her private parts now – in stark contrast to the cold rain outside – even if she voted with reason again, Serafall’s choice was still the same.
Her soft, elastic ass flesh slightly compressed against Aki’s abdomen. Serafall gently swayed her waist and hips, rubbing against him like a little cat.
Her flushed face was hidden entirely under ink-black hair. Her tone was bashful: “Nnng… please, come inside…”
Aki pressed close against that smooth back, gently pressing down on Serafall’s right hand and interlocking fingers.
His other hand slid into the hanging hair, trying to turn the girl’s face toward him. But she dodged. He could only move to her soft lips, which were soon pulled into her mouth to be docilely sucked.
Aki laughed softly in her ear: “In this position, you’re practically a little dog. So embarrassing – and you still want me to go inside?”
”Mn…”
Maybe it was a muffled sound from holding his finger. But the black-haired girl immediately turned her face away. Beneath the jet-black hair, only wet licking sounds and light breathing remained.
”Alright, then let me enjoy my cute little dog Demon King one more time…”
Little Aki (Aki’s member) slowly slid into the aroused flower garden. The tender flesh eagerly squirmed, almost pulling him deeper without any effort.
”Mn… ah…”
Serafall closed her eyes, slightly lifting her face, letting out an especially evocative moan.
Aki turned his head to kiss her nape while pulling down her two loose straps, gently cradling her plump, rounded snow-white breasts. He moved his lower body at a lazy rhythm against her smooth back.
Serafall breathed softly, clearly very into it. Little Aki (Aki’s member) moved gently inside her, stirring the flowing love juice into pleasant sounds.
As if wanting to become one with the Aki pressed against her back, her gentle feelings built up. Serafall soon couldn’t support herself – her hands gave out and she collapsed onto the leather sofa.
”Mn… Aki, you’re heavy…”
She complained dizzily, limply, looking back at him with utterly content eyes.
Aki couldn’t help gently pinching her cheek, “I’ll go a little faster, okay?”
Serafall turned her face away, staring at the sofa pattern below. She wouldn’t say anything, but Aki could feel the grip on Little Aki (Aki’s member) tighten, and her silk-stockinged round ass barely perceptibly lift.
”Phew…”
Aki breathed in, holding her delicate waist, and quickened his slamming pace.
The angled flower path let him easily reach the deepest point. Her innermost place was slowly pierced every time – as if Aki wanted Serafall to permanently etch this lewd pleasure into her body and brain.
”Nnng?… Hah, ih aah… I want… faster… aah… Aki…”
”No can do. Serafall’s little head would break from how hard I’m hitting it.” Aki kept the lazy rhythm.
”A little… more intense, it’s fine… nnng?… ee oh oh aah… like this…”
Like a frog, Serafall’s upturned ass beneath Aki rose high, offering her silk-stockinged cheek to his strong Little Aki (Aki’s member). She lifted her flushed face and pleasurably moaned.
The girl’s cave walls, with a virgin’s seductive properties, clung to the hot, fierce Little Aki (Aki’s member).
Climax – inevitably – arrived again.
Not as exaggeratedly gushing as before, but watching Serafall bury her face in the sofa, her delicate body gently trembling – Aki couldn’t resist.
After a few final strong thrusts, he pulled out and sprayed hot life essence across her porcelain-white, sweat-glistening back.
Both had just finished breakthroughs. Though wasteful, the loss was more than made up for by even more stimulation.
Looking at the milky essence staining Serafall – such a lewd sight – his thrice-fired Little Aki (Aki’s member) still stubbornly stood.
The Demon King, now covered in hot fluid, had most of her snow-white skin turned an ominous crimson.
The mind-warping mana field wrapped around their two excited, overheated bodies – declaring the pleasure-filled night was still far from over.
…
That gorgeous, expensive cosplay outfit was soaked with liquid of all kinds – like a used rag carelessly stuffed into a corner of the sofa.
Its Master was now pinned to the carpet by a handsome boy, her young, sexy, tempting body fully blooming under smooth, beautiful muscles.
Aki changed Serafall through position after position – as if exhaustively searching for the one that gave the best reaction.
Roasting heat before the fireplace, chill by the floor-to-ceiling windows, even searching for her own debauched expression among the rows of expensive wines…
Serafall’s moans echoed through the bedroom. Almost every surface bore traces of their pleasure.
Time felt like an illusion before such pleasure. The night rain had stopped. A golden line appeared on the horizon.
Yet the two inside seemed not to know exhaustion.
…
They returned to the sofa where they’d started. Classic missionary position, fingers interlaced, slow rhythm.
Serafall’s head slightly tilted, breathing tiredly. Her red eyes half-closed, carrying half-dreaming, half-awake distance.
The fierce passion had ebbed like the tide, revealing lingering tenderness.
Not exactly bored. Just used to the pleasure of their bodies being joined – as if it was always natural. The two were simply meant to be one.
Serafall was now completely naked except for her torn black silk stockings.
Her long legs limply clung against Aki’s waist. A single remaining heel dangled precariously at her toes.
Semi-dried life essence formed sticky strands between her soles and the shoe. With every thrust, the heel gently swayed.
How long had they been at it?
As if catching up on years of delayed passion all at once – Serafall, lost in dual cultivation, had already forgotten time.
She was probably going to have trouble even closing her legs afterward…
Since becoming a Demon King, this was the first time Serafall had felt so tired – even more physically weak than fighting on a battlefield.
She seemed to be asleep, but not quite. Her dazed eyes were half-lidded, unclear what she was thinking.
Aki held her ankle, stared at the slender heel that had witnessed the night’s lewdness. His thoughts drifted back.
The hours before felt like a distant memory.
Dark night, clear moon.
Stone-carved cage or throne, it held blue roses inside. The Demon King girl named Serafall sat there with her lover, quietly asking what name this atmosphere should be called.
Cold rain arrived before his answer. He rolled up his sleeves and opened his arms to the girl in the cage.
A light, wet raven fell into his arms – carrying clean, cold moisture and the girl’s fragrance.
…
…
When Aki left Serafall’s bedroom, it was three days later.
After a night of dual cultivation, the Demon King became incredibly clingy. It wasn’t until her rapidly growing strength stabilized and she could absorb no more that she finally let Aki go.
By the end, Aki didn’t know whether he was the one taking advantage or being taken advantage of.
But sensing the surging power inside him, he figured he came out on top overall.
Aki didn’t try to hide his relationship with Serafall, and there was no need. Sona Sitri didn’t seem angry at all – she just made Aki “compensate” her for a night.
Not long after Aki got home, Heaven and Norse gifts arrived.
He hadn’t planned to trouble Odin and Michael, but since they offered compensation, there was no need to refuse like before.
Aki casually gave the Dragon-Slaying Holy Sword to the holy sword wielder Xenovia, earning several days of devoted service – no matter how perverse the request.
As for Odin’s compensation – it was handing Rossweisse over to Aki completely.
No more excuses or pretense. The Valkyrie Rossweisse could never go back.
She spent a few days heartbroken, then decisively reincarnated as a Devil in Aki’s peerage, formally joining the household.
Though the timing wasn’t right for Aki to break through that final step with her.
Still, Aki was satisfied. He could have fully conquered this somewhat pitiful, reluctant virgin Valkyrie through persistence, but getting her more easily was even better.
The Fallen Angels gave no response, and Aki didn’t approach them. Shemhaza felt validated in his judgment.
Sirzechs and two of the other Four Great Satans, though – seeing Serafall’s massive power gain – grew hesitant.
The Four Great Satans were two male, two female. Besides Serafall, there was another glasses-wearing Demon King.
Her name was Falburam Glaseia Lapuram.
Compared to Serafall’s lively, cute style, she was the archetypical cool, mature queen type.
Aki didn’t have many impressions of her. He was somewhat interested, but unless she offered herself to him, he wasn’t going to actively pursue.
He was already a Dragon God-Level powerhouse. This Demon King queen’s attraction to him was limited.
And this level of woman was hard to crack. Starting from zero was especially troublesome.
The Four Great Satans’ actual power was something of a mystery – none was certain of the others’ real strength.
But from Serafall, Aki had a rough guess.
First, even the strongest, Sirzechs, wasn’t Dragon God-Level.
Otherwise, with the whole Devil clan to protect, his approach would be far more aggressive.
From Serafall’s Mid-God level, Sirzechs was probably around High God to Sub-Dragon God-Class.
Aki leaned toward High God. In his memories, Sirzechs had shown much greater power in the later novels – but that was later.
As for Beelzebub, probably around Mid-God to High God. The glasses-wearing Demon King was the weakest, probably even below Serafall.
Falburam’s main strength was in intelligence – she was the strategist type.
Serafall’s sudden power boost – reaching Sub-Dragon God-Class potential – surprised Falburam and made her truly take Aki’s dual cultivation ability seriously.
The stronger and smarter someone was, the more they thought.
She had known about Aki’s dual cultivation but had always been skeptical.
Now with Serafall as a clear example, even if she still had doubts, it couldn’t stop her desire for power.
This kind of scheming, high-intelligence character often craved power even more.
Simply put, because she lacked strength, Falburam had to use schemes to achieve her goals.
Forget her for now. Sirzechs and Beelzebub raised their regard for Aki another level.
Beelzebub specialized in magic formulas – he’d led the Evil Pieces development – and proactively shared relevant magic with Aki to build rapport.
Sirzechs, the red-haired Demon King, wanted to boost Greyfia’s power further and actively began orchestrating opportunities for Aki and the silver-haired beauty.
Sirzechs was subtle. After all, he wasn’t into being a cuckold – he just hoped his family could have stronger power.
Ideally, Greyfia would grow stronger and then bear him stronger descendants.
But he didn’t know Greyfia always brought Venelana along.
And because of dual cultivation’s side effects, plus Aki’s own abilities, these two beautiful wives lost sexual interest in all other men – even their own husbands.
Aki suspected Sirzechs was doing this deliberately, but had no proof.
Not that he minded.
After reaching Dragon God-Level, his power had completely transformed.
His Soul Contract’s capacity instantly gained nine more slots. He also finally developed and used an immortal technique similar to incarnation.
More accurately, it was magic – but the原理 (principle) borrowed from the memory of the divine incarnation technique.
And Aki’s incarnation needed no medium – it was simply splitting himself.
—
Summary:
Serafall breaks through to High God and Aki becomes Dragon God-Level from their dual cultivation. They continue for three days, with Aki changing positions and adjusting intensity to avoid traumatizing the newly deflowered Demon King. Afterward, Aki receives Heaven and Odin’s gifts, gives the Dragon-Slaying Holy Sword to Xenovia, and formally takes Rossweisse into his peerage. Sirzechs begins scheming to get Greyfia more time with Aki.
—
Trivia:
2. Aki’s Soul Contract capacity increased by 9 after Dragon God-Level breakthrough.
3. The incarnation technique he developed is based on memories of divine abilities from his previous world.
4. Sirzechs (High God) is the strongest of the Four Great Satans but below Dragon God-Level.
5. Falburam Glaseia Lapuram is the glasses-wearing female Demon King – a strategist type.
6. The Dragon-Slaying Holy Sword was originally prepared by Michael for Aki.
7. Rossweisse officially joins Aki’s peerage as a reincarnated Devil.
8. Greyfia always brings Venelana when visiting Aki, suggesting their relationship is more than just cultivation.
Notes:
• Serafall – Serafall Leviathan is a Super-Devil, one of the Four Great Satans, and Sona Sitri’s bubbly, energetic sister with an extreme sister-complex. A peer to Sirzechs who once vied with Grayfia for the title of the Underworld’s strongest female devil, she balances her immense power and threat-monitoring duties as a leader with a personal preference to avoid conflict.
• 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.
• Y – The first initial/part of the name Y Ddraig Goch.
• Sona Sitri – Sona Sitri, aka Shitori Sona, is a High-Class, pure-blood devil who became a master strategist at seventeen. As Kuoh Academy’s Student Council president, she wears formal attire and glasses, sporting short black hair and a stern look. Noted for her massive Mana, she tactically leads the Sitri family and manages local supernatural threats while deferring to Rias Gremory.
• Sitri – The prestigious devil hierarchy family name carried by Sona, representing her noble lineage and identity.
• Sona – An analytical, bespectacled young woman with long black hair, she is the Sitri clan’s future head and Student Council President. Highly intelligent and composed, she manages her council with structured leadership. As a strategic, noble ally to Rias, she works to protect their shared interests and serves as a capable, potential collaborator.
• 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.
• Xenovia – A serious, proud former A-rank Church warrior, she is a powerful wielder of Durandal and the Destruction Holy Sword. With short blue hair, a green streak, and a strong, voluptuous build, she now serves as a High-Class Devil in Rias’s Peerage. Devoted to Aki, she is drawn to his presence, curious about intimacy, and harbors a deep desire to one day bear his children.
• Shemhaza – A pragmatic, glasses-wearing Fallen Angel executive and Governor-General who succeeded Azazel. A scholarly powerhouse advocating for peace, he leads the peace-seeking faction but failed to punish Kokabiel for previous transgressions. Masking his intent with calm analysis, he balances strategic retreats with raw combat power to preserve assets while locked in a duel with a demon king-class foe.
• 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.
• Greyfia – As the Gremory household’s silver-haired Head Maid and Sirzechs’ devoted wife, she is a reserved beauty who balances domestic duties with her formidable Lucifugus bloodline and space mastery. Once an enemy general charmed into defection by Sirzechs, she is now his loyal partner and Venelana’s daughter-in-law. Beyond her marriage, she shares a deep, personal connection as the lover of Aki.
• Venelana – Venelana Gremory, the elegant, silver-haired matriarch of House Gremory and former Bael noble, is a refined beauty known for her powerful bloodline. Wife to Georg and mother to Rias and Sirzechs, she is often compared to figures like Shela and Greyfia. Despite her poised exterior and complex family status, she is currently involved in a secret affair with Aki, a reality likely known to Rias.
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Edited by Kanaa-senpai.
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