The crash of the tide against the cliffs provides the perfect rhythmic backdrop for the raw, unbridled energy surging through the cove. Away from the prying eyes of the city, there is no need for subtlety.

Kanzaki doesn't wait for her to reach him. He moves with supernatural speed, closing the gap in a heartbeat and catching Mari by the waist. He lifts her effortlessly, his hands finding the soft skin beneath the hem of her sundress, and presses her back against the jagged, sun-warmed rock face.

"You've been brimming with all that stolen energy since the mock exams," Kanzaki growls, his voice a low vibration that resonates in her very bones. "Time to let it out."

Mari doesn't answer with words. She wraps her legs around his waist, her heels digging into his glutes, and pulls his face down into a bruising, hungry kiss. Her tongue is a flame, her mouth tasting of the sea and the dark sweetness of her own desire. As they lock together, the emerald dress is hiked up to her waist, and Kanzaki’s hand slides between them, quickly freeing his thick, pulsing length from his trousers.

He enters her in one singular, devastating stroke.

"AAHH~!" Mari’s head snaps back, her eyes glowing a vivid, terrifying crimson as she takes him in.

The sensation is incomparable to their hurried sessions at school. Here, with their auras fully unleashed, every thrust from Kanzaki feels like a tectonic shift. He hammers into her with the strength of a high-tier incubus, his hips striking hers with a force that would break a human, but only makes Mari’s succubus core hum with a frantic, addictive joy.

The air around them begins to crackle. Purple static jumps between their skin where they touch, and the very water in the tide pools nearby ripples in sympathy with their climax. Mari’s tail uncoils, wrapping tightly around Kanzaki’s neck, pulling him closer as she rakes her nails across his chest, drawing blood that glows with a faint, demonic light before being reabsorbed into his skin.

"More... Kanzaki, give me... the rest!" she pleads, her voice breaking into a melodic, primal wail.

He obliges, his pace turning into a blur of raw, violent motion. He pins her arms above her head against the stone, his muscles bulging as he drives himself deep, hitting her womb with every rhythmic strike. Mari is a literal fountain of energy, her body vibrating so intensely that the rock beneath them feels like it’s humming.

As the sun hits its peak, they both reach the precipice. Kanzaki’s eyes turn a blinding, solid red. He lets out a guttural roar that drowns out the sound of the ocean, his body stiffening as he floods her with a massive, scorching-hot torrent of pure, concentrated mana. Mari’s internal walls convulse in a series of crushing, rhythmic spasms, her own power exploding outward in a visible wave of crimson light that briefly silences the crashing waves.

They stay locked together, panting, as the salt spray mists over their overheated skin, two gods of the night claiming the day as their own.

The echoes of Mari’s scream still linger in the salt air, but the succubus core within her is a bottomless well. Instead of the usual post-coital lethargy, the massive infusion of Kanzaki’s mana acts like a catalyst, igniting a second, even more volatile fire in her blood.

She doesn't let him withdraw. As he breathes heavily against her neck, Mari’s legs tighten their grip around his waist, her internal muscles pulsing with a demanding, rhythmic suction that draws a low, surprised growl from his chest.

"Again," she whispers, her voice dropping to a dark, velvet command. "The first time was just to clear the air. Now... I want to see you lose control."

Kanzaki pulls back just enough to look into her eyes. The chocolate brown is long gone; her pupils are swirling vortices of molten crimson. A slow, predatory grin spreads across his face. He drops her feet to the sand, but before she can even catch her balance, he spins her around, forcing her down onto her hands and knees over a smooth, waist-high boulder.

"Careful what you wish for, Mari," he rumbles, his voice sounding like grinding stone. "I won't be holding back a single ounce of weight this time."

He looms behind her, his shadow stretching long across the tide-washed stones. He grips her hips with hands that feel like iron clamps, tilting her pelvis up and back. Without a shred of the gentleness he occasionally showed at school, he lunges forward, burying his thick, re-hardened shaft into her soaking depths with a single, brutal thrust that bottoms out against her cervix.

"OH!" Mari’s hands slip on the wet moss of the rock, her chest slamming against the cold stone as he begins a punishing, relentless pace.

This isn't the rhythmic dance of the first round; this is a siege. Kanzaki hammers into her with a raw, primal ferocity, his hips cracking against her backside with the force of a mallet. Each strike sends a visible shockwave through Mari's aura, sparks of violet lightning dancing across her arched spine. She isn't just taking the pleasure—she’s devouring it, her demonic tail lashing out to whip the air in a frenzied blur.

The sheer volume of energy being traded turns the cove into a pressure cooker. The air grows thick and ozone-scented, the temperature rising until the mist from the ocean begins to hiss and steam off their hot skin. Mari’s moans turn into animalistic cries of ecstasy, her fingers clawing deep grooves into the soft limestone of the boulder as she tries to anchor herself against the storm Kanzaki is unleashing inside her.

"Look at me," Kanzaki commands, reaching down to grab her hair and pulling her head back so she has to see the absolute, terrifying hunger in his glowing eyes.

He accelerates, his thrusts becoming a blur of friction and heat. Mari’s internal walls are in a state of constant, electric contraction, her core spinning at a terminal velocity that threatens to pull the very life force out of the surrounding environment.

The end comes like a physical explosion. As Kanzaki’s pace reaches an impossible speed, Mari’s body finally gives out, her vision fracturing into a thousand shards of red light. She collapses into a crushing, soul-searing orgasm just as Kanzaki lets out a final, guttural roar of triumph. He pins her flat against the rock, his body shuddering violently as he unleashes a second, even more voluminous payload of burning, white-hot seed that fills her to the very brim, spilling over and painting the dark stone beneath them in the wreckage of their absolute, unholy union.

The sun begins its slow descent over the western cliffs, casting the cove in deep, bruised shades of purple and gold. The air is thick with the scent of ozone, sea salt, and the heavy, sweet musk of their continuous coupling. Yet, the supernatural nature of their bodies defies human fatigue; each climax only serves to refine and charge the dark mana circulating between them.

Mari pushes herself up from the smooth boulder, her emerald dress ruined and sticking to her sweat-sheened skin. A mixture of their combined fluids traces lines down her inner thighs, dripping onto the dark sand below. She turns to face Kanzaki, her breathing a ragged, rhythmic purr. The molten crimson in her eyes hasn't faded; if anything, it has solidified into a brilliant, unyielding glow.

She walks toward him on trembling but determined legs, her hips swaying with a hypnotic, predatory cadence.

"You think you've filled me up?" Mari challenges, her voice a low, melodic vibration that echoes off the rock walls. She stops right in front of him, reaching down to grab his wrist, her grip remarkably strong. "My core is finally wide open, Kanzaki. I can taste the true depth of your power now, and I’m not letting you stop until I’ve taken every last drop."

Kanzaki looks up at her from where he sits against the stone, his own breathing heavy. He watches the raw defiance and absolute submission beautifully warring within her expression. The sheer ambition of his star pupil triggers a primal, possessive instinct deep within his incubus blood.

"You really are a glutton, aren't you?" Kanzaki smiles, a dark, dangerous expression that promises no mercy.

He stands up, his towering frame casting a shadow that completely envelops her. In a flash of movement, he grabs her by the nape of her neck, pulling her down onto the soft, cool sand of the secluded beach. He flips her onto her back, pinning her wrists securely above her head with one hand while his knees pry her thighs wide apart.

His shaft is already pulsing, fully erect for the third time, engorged and radiating a fierce, demonic heat that makes the surrounding air warp.

Without a single word of warning, Kanzaki drives his hips forward, burying his entire length deep into her heavily saturated, overstretched depths.

"AAAHHH!" Mari’s jaw snaps open in a silent, breathless scream of pure ecstasy as her spine arches off the sand.

The third round carries a brutal, primitive rhythm. Kanzaki doesn't pace himself; he uses his full weight and strength, anchoring his body over hers as he delivers a relentless barrage of deep, heavy thrusts. Slap, slap, slap—the sound of their frantic collision is deafening in the enclosed space of the cove, completely drowning out the crashing of the tide.

Mari is entirely consumed by the sensation. Every time Kanzaki bottoms out against her cervix, a sharp, violet flare of static electricity erupts from their point of contact, illuminating the darkening cliffs in rhythmic flashes of unholy light. Her invisible tail whips violently through the sand, kicking up a storm of grit and salt spray as she fights to stay conscious beneath the sheer weight of his assault.

She opens her mouth, her sharp fangs bared, and sinks them deep into the meat of his shoulder. She drinks from him—not just his blood, but the raw, unrefined current of his incubus essence, siphoning it directly into her core to keep herself from breaking.

"That's it... take it all," Kanzaki growls, the pain only driving him to push harder. He accelerates his pace to a punishing velocity, his hips moving in a blur of friction and pure force.

The terminal velocity of their shared mana reaches a breaking point. The air in the cove grows suffocatingly hot as their auras merge into a single, swirling vortex of crimson and violet light. Mari's internal walls lock up in a final, devastating climax that grips his shaft like a vice, pulling him deeper into her womb than ever before.

With a deafening, animalistic roar that echoes across the open ocean, Kanzaki surrenders his final reserve. He pins her flat into the sand, his veins bulging against his skin as he unleashes a massive, pressurized torrent of boiling-hot seed deep inside her. The explosive release triggers a brilliant shockwave of pure demonic energy that ripples across the water, sealing their absolute, unholy weekend in a testament of pure, untamed power.

The massive, violent collision of their three continuous rounds causes the sheer volume of demonic mana trapped within the small cove to reach a critical, unstable mass. The dense cocktail of Kanzaki’s high-tier incubus energy and the raw human essence Mari had cultivated during the week begins to overflow from their physical bodies, warping the very fabric of reality around them.

Mari’s eyes wide to full, burning spheres of solid, luminescent crimson as her body begins to ripple with a sudden, devastating surge of evolutionary power.

"Kanzaki... it's too much... it's expanding!" she gasps, her voice suddenly echoing with a deep, layered resonance that vibrates the very stones beneath them.

Instead of bursting, their succubus and incubus cores adapt to the pressure by demanding more physical space. A thick, localized fog of purple and red static erupts from their point of contact, completely obscuring the beach. Within the mist, their silhouettes begin to stretch, expand, and tower upward at a terrifying velocity.

The emerald sundress and casual clothes shred instantly into ribbons of pure energy as their flesh grows, muscles expanding and bones reinforcing to support a monumental scale. The crashing tide pools evaporate into clouds of hissing steam as their newly enlarged, colossal bodies displace the ocean water.

When the demonic fog finally clears, the two entities stand towering over the coastline as 50-foot-tall, godlike giants of pure, unadulterated lust. Their skin radiates a fierce, blistering heat, and the invisible tails that once whipped through the school hallways are now massive, physical appendages that lash against the ocean surface, creating miniature tidal waves with every movement.

Kanzaki looks down at his own colossal, heavily muscled hands, a booming, deep laugh rattling the entire cliffside. His voice sounds like a rolling thunderstorm. "Now this... is the true baseline of an unleashed Incarnate."

Mari stands before him, a magnificent, towering titan of a succubus, her fiery hair cascading over her massive shoulders like a waterfall of lava. She looks down at the town in the far distance, which now looks like a collection of tiny, insignificant toys, and then turns her glowing crimson gaze back to her partner. Her massive, dripping slit is now the size of a cave, radiating a dense, visible aura of purple pheromones that instantly fills the entire coastal valley.

"Don't look away from me, tutor," Mari rumbles, her voice a deep, seductive tremor that shakes the sand. She leans her massive frame back against the 100-foot stone cliffs, her thighs parting wide to invite him in. "We still have plenty of room to grow."

Kanzaki steps forward, his steps causing the earth to register minor seismic tremors. His fully erect, colossal shaft—now a towering pillar of throbbing, vein-lined muscle—reaches out toward her. He grabs her massive hips with hands wide enough to crush a house, tilting her pelvis up toward the sky.

With a singular, earth-shattering lunge, he drives his massive length into her colossal depths.

"AAAAAHHHH~!"

Mari’s booming scream of absolute ecstasy echoes for miles across the open ocean, a sound so powerful it shatters the glass of the abandoned station miles away. The friction of their 50-foot bodies colliding—BOOM, BOOM, BOOM—sounds like a continuous artillery bombardment against the shoreline. Huge plumes of white sea spray shoot into the sky with every heavy, merciless thrust, turning the quiet weekend cove into an epic, mythological theater of pure, untamed demonic dominance.

The sheer volume of mana circulating between their colossal forms becomes too much for even their massive frames to contain. As they move in a thunderous, rhythmic lock, a second, more violent surge of evolution ripples through the air. The very ground beneath them groans, the tectonic plates shifting under the localized pressure of their expanding auras.

Their bodies swell again, the scale of their physical forms doubling in a terrifying display of demonic growth. Muscles stretch and densify, and their skin glows with the heat of a furnace. Within moments, they stand as 100-foot-tall titans, their heads now reaching above the highest peaks of the coastal cliffs. To them, the massive boulders they once leaned against are now mere pebbles beneath their heels, and the deep ocean waves barely reach their knees.

Kanzaki towers over the landscape like a dark god, his shoulders wide enough to block out the setting sun. He grips Mari’s massive, tree-trunk thighs, his hands spanning the width of a city bus as he maintains his crushing, rhythmic assault.

"Is this... big enough for you, Mari?" Kanzaki’s voice is no longer a human sound; it is a tectonic roar that causes the clouds above to scatter.

Mari throws her head back, her fiery hair trailing like a massive solar flare across the darkening sky. Her eyes are two twin suns of solid crimson, illuminating the entire coast. She wraps her massive arms around Kanzaki’s neck, her fingers digging into his back with the strength to level mountains.

"Bigger... I can feel the whole world shaking beneath us!" she rumbles back, her voice a melodic earthquake that vibrates through the bedrock.

Every time Kanzaki hammers his colossal, 20-foot-long shaft into her depths, the impact sends a literal shockwave through the ocean. THOOM. THOOM. THOOM. Massive pillars of water erupt hundreds of feet into the air, and the displacement of their weight creates a series of small tsunamis that race toward the horizon.

The friction between their titanic bodies generates so much heat that the air around them begins to ionize, creating a localized lightning storm that dances across their skin. They are no longer just students or even simple demons; they have become forces of nature, turning the entire coastline into a private, mythological bed of absolute, world-shaking carnal power.

The storm raging around their massive frames intensifies as the sheer momentum of their 100-foot bodies carries them toward a devastating, dual climax. Every heavy thrust from Kanzaki vibrates deep into the earth's crust, the thunderous THOOM, THOOM, THOOM of their collision echoing like a volcanic eruption across the open sea.

Mari’s hands grip the edges of the high stone cliffs, her immense strength fracturing the ancient granite into avalanches of rubble that plunge into the churning waters below. Her chest heaves, creating massive gusts of wind that sweep across the valley as she absorbs the overwhelming, pressurized current of Kanzaki’s primal mana.

"Kanzaki... I'm at the limit... the whole sky is burning!" Mari’s roar is a deafening, harmonic rumble that ripples the clouds overhead.

Kanzaki’s grip on her massive hips tightens with iron force, his muscles bulging like forged steel under a skin that radiates a blinding, violet heat haze. His eyes flash a final, predatory crimson as he drives his towering length into her deep, cave-like womb one last time, completely pinning her against the shattered landscape.

"Then let it burn!" Kanzaki roars back, his voice shattering the remaining silence of the coastline.

The breaking point hits them simultaneously. Mari’s internal walls lock down with seismic pressure, triggering a massive, blinding shockwave of crimson light that erupts from her core and paints the entire twilight sky in a demonic glow. At the exact same instant, Kanzaki lets out a guttural, earth-shaking roar as he unleashes a colossal, boiling torrent of pure incubus seed deep within her. The sheer volume of the release overflows from her massive depths, cascading down her towering thighs and mixing with the frothing ocean waves in a thick, steaming foam.

For miles around, the air crackles with spent static electricity as the two titans slowly come to a rest, their heavy, synchronized breathing sounding like the low roll of distant thunder over a conquered world.

The evolutionary surge within their 100-foot-tall frames shows no signs of slowing down. As the final, volatile remnants of their combined mana fuse within their cores, their anatomy begins to distort and amplify further, shifting their proportions into an exaggerated display of titanic, hyper-sexualized power.

Mari’s upper body violently shudders as a massive wave of heat centers in her chest. With a loud, tearing sound of shifting muscle and fat tissue, her breasts begin a rapid, monumental expansion. They swell outward like massive, mountain-sized domes of flesh, each one easily matching the size of a city block. The sheer weight of her expanding chest alters her center of gravity, pressing heavily against Kanzaki’s chest with a soft, suffocating force that radiates an overwhelming, sweet-scented heat haze.

Simultaneously, the energy trapped in her lower body triggers a corresponding explosion of growth in her hips and rear. Her ass expands exponentially, pushing backward and outward until her glutes are thick, colossal mounds of dense, trembling muscle that completely dwarf the surrounding cliffs. As she shifts against the stone, the sheer mass of her expanded backside fractures the remaining bedrock, grinding boulders into fine sand beneath her weight.

Kanzaki groans as his incubus core answers her mutation in kind. The colossal pillar of his shaft, already buried deep within her, experiences a sudden, agonizingly pleasurable surge of blood and raw mana. It thickens and lengthens rapidly, expanding into a towering, vein-lined monolith of throbbing muscle. The sudden increase in his girth stretches Mari’s cave-like depths to an entirely new structural limit, her internal walls desperately warping to accommodate the massive, newly enlarged weapon hammering inside her.

"Look at you..." Kanzaki rumbles, his voice a deep, gravelly tectonic wave as he looks down at her newly amplified, titanic silhouette. "You're becoming a literal goddess of ruin."

Mari grips his massive shoulders, her twin suns of crimson eyes burning brighter than ever as her colossal breasts heave with every ragged breath. "Then don't stop... fill me until the earth splits!" she roars back.

With his newly expanded, monstrous length, Kanzaki renews his assault. The rhythm turns into a slow, heavy, and incredibly destructive bombardment. BOOM. BOOM. BOOM. Every single thrust of his massive, enlarged shaft against her newly expanded, mountain-sized hips sends shockwaves traveling deep into the ocean floor, turning the entire coastal region into a playground of pure, colossal dominance.

The sheer weight of their newly mutated, hyper-exaggerated anatomy changes the entire dynamic of the assault. Kanzaki can barely wrap his arms around Mari's widened torso now; his hands are completely buried in the soft, crushing expanse of her mountain-sized breasts as they smash against his chest with every heavy lunge.

The heat radiating from the point of their connection is blistering, boiling the seawater around their colossal calves into a thick, blinding fog that blankets the entire horizon.

Mari is completely pinned under his weight, her titanic, newly expanded ass grinding deep into the shattered valley floor with every rhythmic impact. The sheer girth of Kanzaki’s monstrous, newly enlarged shaft fills her so completely that her internal walls are pushed to a white-hot, agonizingly pleasurable stretch. Every time his pelvis strikes against her massive hips—THOOM, THOOM, THOOM—the structural vibration is so immense that it causes the clouds overhead to swirl into a localized hurricane.

"Kanzaki... your size... it's tearing me apart!" Mari roars, her voice a deafening, melodic earthquake that shatters the stone peaks behind them. Yet, her demonic tail whips the steaming sea in a frantic, ecstatic frenzy, proving she wants every bit of the destruction.

Kanzaki doesn't offer a reprieve. He lifts her massive, tree-trunk thighs higher onto his shoulders, tilting her enormous, expanded pelvis at a brutal angle. He accelerates, his towering, vein-lined monolith of a shaft sliding in and out of her soaking, cave-like depths with an unstoppable, crushing momentum. The friction alone generates violent arcs of red and violet lightning that dance across their skin, illuminating the massive, hyper-sexualized landscape of their bodies.

They are reaching the final, absolute peak of their titanic evolution. Kanzaki’s veins bulge like thick cables across his neck and arms as he prepares to unleash a world-shaking deluge of seed into her heavily modified, bottomless core, cementing their status as the ultimate, undisputed gods of the landscape.