The bedroom door had barely closed before Jin cornered her against it.
Miwa didn't resist. Quite the opposite, her arms wrapped around his neck as if she'd been waiting hours for exactly this, and when their mouths met, the kiss started with hunger.
"Mmm... mnh..."
Their tongues intertwined without preamble. Jin controlled the rhythm, tilting his head to deepen the angle, and Miwa followed with a docility that clashed with the urgency of her fingers clinging to the back of his neck.
Without breaking the kiss, he slid his hands under her loose shirt. His palms traveled up her bare stomach, dragging the fabric with them, until they closed over her breasts.
'She's not wearing anything underneath. Just as I thought.'
The warm, soft flesh filled his hands completely, and when he squeezed, a muffled moan vibrated against his mouth. His thumbs found the already hardened nipples and circled them with slow movements, pressing, rubbing, and pinching.
"Ah~... Jin-kun..."
Pulling away from her lips just enough to breathe, Miwa looked at him with eyes clouded by desire.
Without letting go of her, Jin guided her toward the bed. Her back hit the mattress and he positioned himself over her body, resting one knee between her thighs. The shorts, those ridiculous scraps of fabric that barely covered anything when she was standing, had now ridden up into a second skin that sank between her ass cheeks.
His lips descended along her jawline, trailed down her neck, finding that spot where her pulse was racing out of control, and lingered there until Miwa arched her back with a shudder.
"Mmm~... unh~♥️..."
Her legs spread on instinct, wrapping around his waist and pulling him in. The pressure of his erection against the wet fabric of her shorts drew a gasp from both of them, and Miwa locked her ankles behind his back, wordlessly demanding what her body could no longer wait for.
But Jin wasn't going to give her what she was asking for... Not yet.
He lowered a hand between them, pushed the soaked fabric to the side, and rubbed the hard tip of his cock directly against her pussy, sliding between her wet lips without going in.
Down and up. Slow. Deliberate.
"J-Jin-kun... d-don't torture me..."
With a plea, her hips moved on their own, trying to capture him inside her, but he pulled back every time she pushed forward, keeping her on the edge of madness.
He lowered his mouth to the corner of her lips and placed a soft kiss there. "If the professor wants it..." he murmured against her lips, "she has to ask me properly."
Miwa's eyes, glassy and desperate, focused on him with indignation.
"You're... a terrible student..."
But her body had already made the decision for her. The last crumbs of composure dissolved under the heat throbbing between her thighs, and her lips moved before her pride could stop them.
"P-Please... baby.... Fill me up with everything... give me all of it..."
Hearing the woman who was always composed, always professional, begging with that same mouth she used to lecture in front of hundreds of students while her soaking wet pussy throbbed against his tip was what obliterated every last atom of self control he had left.
Jin thrust.
His cock sank all the way in with a single stroke, forcing its way through her scorching insides that clenched around him like a silk fist.
"AAAAAHH~~♥️!"
...
Meanwhile, in room 503, Yukino was slumped against the wall.
She hadn't moved from that spot since she first pressed her ear against it. What started as curiosity had transformed into something she could no longer control.
The sounds pierced through the wall in waves: deafening moans, the rhythmic banging of a headboard against the surface, the creaking of the bed. And amid all that chaos, that woman's voice repeating one name over and over.
The same name Yukino had learned barely an hour ago.
Her eyes were wet, glassy, her gaze lost somewhere on the ceiling as if she were submerged in a dream she didn't want to wake up from. Her cheeks burned in a pink hue, and her parted lips let out short, trembling breaths that fogged up the cold air around her.
Because the cold that always emanated from her body was now competing with something born from within. An unfamiliar heat, pulsing, throbbing in her lower belly and weakening her legs.
Her body had responded without her permission.
The ice that normally regulated her internal temperature was melting.
Literally.
Countless streams of water trickled from her skin, sliding down her arms, her thighs, her back, pooling beneath her in a puddle that slowly expanded across the floor.
It was the first time something like this had ever happened to her.
"Jin-kun~... Jin-kun~..."
Her whisper was barely audible, spoken against the wall like a prayer. Her thighs pressed together, seeking relief from that growing pressure she didn't know how to handle, and a shudder ran through her entire body when another particularly intense moan pierced through the wall.
"Mmm~♥️...!"
Biting her lip hard, she choked back the sound that almost escaped her, and squeezed her eyes shut as more water poured from her skin, soaking her clothes completely.
...
On the other side of the wall, the battle was far from over.
Jin lifted her off the bed and Miwa barely had time to wrap her arms around his neck before she felt the upward thrust that knocked the air out of her.
"AHH~♥️!!"
Suspended in the air, with nothing solid beneath her except the cock impaling her from below, every ounce of her weight made her drop back onto him with a wet impact that shook her breasts and ass. And before the wave finished rolling through her body, Jin was already pushing up again, deeper, harder, hitting a spot so far inside that Miwa swore she could feel it in her throat.
"Ah! Ah! You're splitting me...! You're splitting me open~~♥️!"
Her ass cheeks bounced against him with every impact, the flesh deforming in waves that rippled all the way to her thighs. Their combined fluids splashed with every collision, dripping between their joined bodies, trickling to the floor in a steady thread that neither of them registered.
Miwa's inner walls clenched uncontrollably around him, sucking him in, squeezing him every time he pulled back, her body begging him to never leave. And her legs, which at first had wrapped tightly around him, now hung limp at his sides, jerking like a ragdoll with every thrust because she had long since lost the energy to hold them up.
The only thing keeping her upright was Jin's arms. And the only thing keeping her sane was that she no longer was.
Jin carried her to the living room sofa without ever stopping his movement inside her. He set her down over the backrest, bending her over it, and shifted position to pound her from behind at a devastating pace that made the couch tremble.
Then it was the table. Miwa lay sprawled across the surface with her legs spread open, dangling off the edge while Jin fucked her standing up, gripping her hips with both hands and pulling her toward him with every stroke. Miwa's tits shook back and forth with each impact, and her fingers clawed at the surface without finding anything to hold on to.
Then the kitchen counter. The turned off stove. Every surface in the apartment became a battlefield, and on each one they left traces: wet handprints, glistening puddles, and the lingering echo of moans that had melted into one continuous sound.
Finally, after what felt like an eternity, the great battle came to an end.
Miwa lay on her back on the sofa, completely unconscious.
Her body was a wreck: hair plastered to her forehead and cheeks with sweat, lips swollen and parted letting out faint breaths, breasts reddened with marks and coated in a mix of sweat and saliva that glistened under the light. Her legs remained spread apart, too weak to close, and between them a thick, white river flowed slowly from inside her.
And her abdomen, normally flat and firm, displayed a large curve. Swollen with an absurd amount of cum, it looked like a balloon about to burst.
Jin observed the scene with deep satisfaction.
But he didn't linger to admire it. Carefully, he slid his arms under Miwa's limp body and carried her to the bathroom, where he washed her gently under the warm water, softly cleaning every trace away.
Miwa mumbled something unintelligible in her sleep when he dried her off and settled her into bed, tucking the sheet around her.
A tiny smile curved her unconscious lips.
Afterward, Jin went through the apartment, meticulously cleaning every surface, every puddle, every piece of evidence. He prepared a simple dinner that he left covered on the counter along with a brief note, and got dressed in silence.
He was fastening the last button of his shirt when he felt it.
A surge of MANA erupted from within him out of nowhere, condensing into a sphere in his lower abdomen. The pressure built for one second, two, three, and then it burst.
The energy expanded violently toward his extremities, flooding his muscles, his bones, every cell in his body with a force that made him clench his teeth.
His legs buckled for an instant before stabilizing, and when the wave passed, everything felt different.
He felt lighter, stronger. As if chains he didn't know he had were removed.
"Did I break through my limit?"
He looked at his hands in astonishment, closing and opening them, feeling the difference. He hadn't taken any stimulant, he hadn't hunted...
And then he understood.
The Demon King Lineage. The first ability: "Upon copulation, both sexes will receive a permanent increase in energy and physical strength."
This was Miwa's doing... Or more precisely, the result of what they had just done together.
But before he could process the revelation...
[Interface alert. The user has surpassed the power threshold of a mid rank combatant. The beginner safety protocol has fully expired]
[Initiating download of the new system version...]
[Installation successful. Current operating version confirmed at phase 2.0]
[Evolution reward granted to the user. 100,000 Points]
[New functions unlocked]
"...Whew."
Sitting on the edge of the bed, away from Miwa's sleeping legs, he processed the information.
This update changed everything entirely.
The original system was simple: hunt criminals, obtain random rewards.
Version 2.0 replaced it with an expanded point system. With enough points, he could acquire specific abilities, items, information, practically anything he desired.
The ways to earn points were divided into two modes:
Module I: Hunt. The same foundation as always, but refined. Exterminating criminals, organizations, and threats awarded points proportional to the target's strength and influence. The greater the danger, the greater the reward. Simple.
Module II: Crystal Palace.
This one was new, and when he finished reading the specifications, he stared into the void for several seconds.
This allowed him to establish a "contract" with women who met certain conditions. When a woman's affection level reached maximum and a guardian pattern was engraved on the lower part of her abdomen, she became a stable source of monthly points, with additional bonuses during sexual intercourse.
In other words, the system had turned his intimate relationships into a resource.
In practical terms, the update was absolutely advantageous. Before, he depended on the randomness of hunting rewards.
Now he had total control over his progression and multiple paths to accumulate points.
Currently, Miwa and three others had fulfilled the contract conditions. The four of them together would generate a steady base of fifteen thousand points per month.
Added to the hundred thousand gift points, his available capital instantly surpassed the one hundred fifteen thousand mark.
"Now I have more room to maneuver..."
Rubbing his chin, his gaze stopped on one ability in particular: [Guardian Angel]
It protected his girls from mental manipulation, hypnosis, and any form of consciousness control... But the problem was the limit: ten slots.
He needed to eliminate that restriction.
He began communicating with the system, exploring upgrade options. The process wasn't immediate: each formulation of his desire produced different results, with costs that varied wildly.
And after multiple attempts, the system finally presented the optimal plan:
[Ability remodel: Guardian Angel (Low Rank) → Guardian Angel Aura (Unranked)]
[Modifications applied:
Shared capacity feature: eliminated.
Number of protected individuals: 10 → No limit.
Protected individuals gain permanent blessing: immunity to mental manipulation, hypnosis, intelligence reduction auras, consciousness modification, and other abilities of malicious nature.
Price: 15,000 points.]
He didn't hesitate.
He confirmed the purchase and the ability bar glowed with a golden light that expanded briefly before fading.
From now on, no one in his harem would ever be vulnerable to those kinds of attacks again.
...
The night greeted him with a cool breeze when he stepped out of the apartment building.
With his hands in his pockets and a relaxed pace, he took the long way home. Thinking about how to spend the remaining hundred thousand points.
It was tempting.
His body was already a combat machine, but precisely because of that, continuing to invest in the same area had diminishing returns.
His real weakness lay elsewhere.
Mental fortitude.
Until now he had focused all his development on physical attributes: speed, endurance, combat power. And it worked. [Envoy of Justice] granted him immunity against mental abilities. But that protection had a blind spot.
If someone powerful enough bypassed abilities altogether and simply hit him with a wave of pure mental pressure, [Envoy of Justice] wouldn't detect it as an evadable attack.
He needed to cover that gap.
As he walked beneath the streetlights, his mind began to drift toward references from his past life.
"Ideally, someone well rounded..." he murmured. "Someone who knows how to do everything. Strong physically, solid mentally, versatile in abilities. No blind spots."
________
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