The last time Lee Il-seo saw Sa Seung-yeon, the man’s complexion had been worryingly pale. Even with blood soaking through his shirt, Sa Seung-yeon had kept filming for three more hours—face unreadable—before finally going home.

    Lee Il-seo was so worried that his chest ached, and he blocked the van taking Sa Seung-yeon home. But Sa Seung-yeon smiled, telling him not to worry and suggesting they eat together sometime. Lee Il-seo wasn’t stupid enough to miss the hidden meaning in that fake smile. It was a characteristically clean and polite conclusion from Sa Seung-yeon, which made it difficult to contact him directly.

    Yet he couldn’t stop thinking about him. Not while eating, not while lying awake in bed. The image of Sa Seung-yeon’s bloodstained shirt haunted him. After a day of gnawing anxiety, Lee Il-seo caved and sent a message. He braced for silence, repeating to himself that it would be fine if he was ignored—

    [Come to my house.]

    The call disconnected in less than 10 seconds. Lee Il-seo stared at the disconnected screen with a somewhat bewildered expression, wondering if he had just had that conversation or if he had dreamed it.

    He bit his lip, brow furrowing. What if his impulsive message had gotten an even more reckless reply because Sa Seung-yeon was hurt? Worse than before?

    He searched through the first aid supplies at home but found only common painkillers, bandages, and ointments. Stuffing even those into his bag, he put on his sneakers hastily and ran outside.

    The thought crossed his complicated mind: what if Sa Seung-yeon wasn’t in pain but calling him for sex? But even if that were the case, Lee Il-seo knew he couldn’t refuse that proposition either. When they’d been together, a single text from Sa Seung-yeon had been enough to send him rushing over with nothing but a time and a heartbeat

    Whatever the reason, if Sa Seung-yeon called, he had to go. He ran to the roadside without stopping and waved his hand eagerly. Since Sa Seung-yeon hadn’t specified a time, he had no choice but to take a taxi. He knew all too well how deeply dejected he would feel if, while waiting for a bus, Sa Seung-yeon changed his mind and said, ‘Sorry, don’t bother.

    Fortunately, a taxi stopped shortly, and Lee Il-seo hurriedly got in and said, “Please go as quickly as possible.”

    It was an unusual request—one that left him unsettled. Staring out the window, phone clenched tightly in his hand, he sat in silence. The car was quiet, but his heartbeat pounded so violently it rang in his ears. He had hoped, desperately, to see Sa Seung-yeon just once more. He never expected that moment to come so soon, just a day later.

    The instant he stepped out of the taxi, he broke into a brisk walk down the familiar path. He pressed the doorbell, and the sharp sound of the lock disengaging seemed louder than usual, almost jarring.

    Though tension coursed through him, he turned the doorknob with care. The interior was swallowed in darkness, making the entrance light appear blinding by contrast. Oddly, the sun hadn’t yet set, but the living room was sealed off—curtains drawn tight, allowing not even a sliver of daylight to slip through.

    Since he usually only visited at night, he didn’t know everything, but normally, Sa Seung-yeon would at least turn on a soft indirect light when all the curtains were drawn. Now, standing in the middle of the cave-like living room, Lee Il-seo looked around with a furrowed brow, a flicker of unease tightening his chest.

    The only place where a faint daylight color shone through was the slightly opened bedroom door. He hesitantly walked toward the light. Just as he reached the edge of the sofa, something slammed into him—an unseen force, fast and brutal.

    “Ugh!”

    A large hand clamped down on his shoulder and nape, grip so unyielding it felt like a chokehold. Before he could react, his back struck the corridor wall with a bone-jarring thud. Then lips crashed against his own—fierce, uninvited, desperate.

    “Mmph…!”

    Pain bloomed where their mouths collided, sharp enough to sting tears into his eyes. A tongue forced its way past the torn skin of his lips, hot and invasive, scouring every inch of his mouth. The kiss was too hot—not just in temperature, but in its rough, consuming energy. It wasn’t like Sa Seung-yeon’s usual kisses—light, teasing, and skillful. This one burned. Alarmed, Lee Il-seo’s eyes flew open.

    “Sun-bae-mm…”

    Thankfully, it was Sa Seung-yeon. Feeling the fishy taste of blood in his mouth, he tried to push Sa Seung-yeon away, but Sa Seung-yeon grabbed Lee Il-seo’s struggling wrists with one hand and pinned them against the wall. Then he continued the kiss, pressing down with his weight.

    The kiss was so urgent and painful that the timing of inhaling and exhaling breaths was completely messed up. There was a lack of oxygen. Lee Il-seo shuddered, breathing heavily, but Sa Seung-yeon continued the relentless kiss. When he took a deep breath through his nose as his mouth was blocked, Lee Il-seo frowned sharply.

    “…!”

    Suddenly, pain twisted through his lower abdomen—sharp and unfamiliar, unlike anything he’d ever felt before. He doubled over instinctively, clutching at his stomach, but Sa Seung-yeon’s iron grip on his wrists left him helpless, unable to move even an inch.

    Sa Seung-yeon was different from usual. Something was wrong, and it felt dangerous. Using all his strength, Lee Il-seo freed his hands and immediately pushed against Sa Seung-yeon’s chest. But Sa Seung-yeon didn’t budge, as if he were pushing against a hot rock.

    Panting, Lee Il-seo looked up, eyes wide with disbelief. Not just Sa Seung-yeon’s lips—his entire body radiated unbearable heat. His skin burned with a fever that seemed to pulse from his pores.

    “Sunbaenim, you… You have a fever. A high fever.”

    It wasn’t a normal temperature. Thinking that Sa Seung-yeon might not be acting properly due to the fever, he hurriedly took out his mobile phone from his pocket. His only thought was to get Sa Seung-yeon to a hospital.

    At that moment, a large hand with protruding veins grabbed the phone. Before he could stop it, the phone flew toward the wall behind the sofa.

    Crack!

    The sharp sound of shattering glass echoed through the room. Lee Il-seo flinched, frozen by shock. Then, before he could react, Sa Seung-yeon seized his forearm and dragged him down the corridor with long, powerful strides.

    “Let go, please…!”

    Abruptly, Sa Seung-yeon stopped and slowly turned his head. In the gray darkness to which his eyes had somewhat adjusted, Lee Il-seo’s eyes met Sa Seung-yeon’s black pupils. It seemed impossible, but his eyes too looked as if they were burning with agony.

    “Ah…”

    As an unfamiliar scent he’d never encountered before spread, his lower abdomen cramped again. If the previous pain was bearable, now it was hard to even straighten his back. Sa Seung-yeon’s arms wrapped around Lee Il-seo as he was about to collapse.

    As if anticipating the exact moment Lee Il-seo would collapse, Sa Seung-yeon caught him effortlessly and carried him into the bedroom. With little ceremony, he threw him onto the bed—then immediately resumed the fevered kiss, trapping him beneath a body that felt like a furnace.

    As their breaths mingled, once again, the scent he had thought dangerous spread subtly. This time, rather than stomach pain, his entire body instantly lost strength, and his breathing became heavily constricted.

    Now he realized the source of this scent was Sa Seung-yeon. At first, Lee Il-seo had noticed the sharp tang of burning wood. Now it mingled with something damp and earthy, like fish-slick water in a forest clearing just after rain. But more than the smell, it was the texture of it that struck him. Earlier, it had sliced through him like a knife—now, it crushed him. Thick, heavy, suffocating..

    “Hnng…”

    As if the heat were transferring from Sa Seung-yeon’s body, Lee Il-seo’s body also became hot in an instant. His trembling eyes desperately searched for Sa Seung-yeon.

    The unfocused, loosened dark eyes, and the hard thing pressing against his thigh, even with just a kiss. Lee Il-seo’s eyes widened in astonishment as he began to realize something. Desperately turning his head away, he looked up at Sa Seung-yeon. A voice trembling with fear squeezed out from between his chattering lips.

    “S-Senior… Are you in rut?”

    An Alpha’s heat. Rut. Faint memories from sex education flickered through his panicked mind—Alphas mating with Omegas during rut cycles. Omegas are going into heat, their biology demanding release. Betas, he remembered, didn’t experience such extremes. Couldn’t. They weren’t affected that way.

    “This shouldn’t be happening…”

    Why was Seung-yeon holding onto him, a Beta, and going so crazy? Sa Seung-yeon’s pupils narrowed sharply as he looked down at Lee Il-seo, who was shaking his head with a bloodless face. It was the expression of a beast trying to cut off the breath of its fleeing prey.

    “Ugh.”

    At the same time, Lee Il-seo threw his head back and squeezed his eyes shut. Once again, a violent scent that was consuming his body spread. Could this be Pheromone? Was the Pheromone emitted by a dominant Alpha in rut so strong that even Betas could feel it? Everything was incomprehensible.

    “Kuh, ugh…”

    Sa Seung-yeon wasn’t strangling him, but the intense scent was so overwhelming that his breathing was cut off as if he were suffocating.

    As Lee Il-seo writhed in agony, Sa Seung-yeon pulled down Lee Il-seo’s pants and underwear in one motion. Without completely undressing him, Sa Seung-yeon pulled his own pants down slightly and immediately took out his erect cock.

    He pushed down on the backs of Lee Il-seo’s knees, forcing his legs apart, then closed the distance on his knees, the head of his cock press firmly against the exposed entrance.

    The red glans, still wet with semen, entered the moist opening as if being sucked in.

    “Ah, ah!”

    With the force of his thrusting waist, the thick shaft entered deep inside Lee Il-seo’s body without mercy, and Sa Seung-yeon held down the struggling legs with one arm, beginning to thrust his cock in and out.

    “Ah, ugh, ugh.”

    The hip movements gradually quickened, and the sound of wet flesh colliding filled the bedroom. Before long, he was thrusting rapidly from the glans to the base.

    “Ugh, ack!”

    When Lee Il-seo twisted his body to escape, Sa Seung-yeon put his weight on him, pressing down and constricting him. The cock, feeling much larger than usual, crushed, pressed, lifted, and stirred inside his body, gradually making a mess of him.

    When Lee Il-seo’s pupils rolled back and he couldn’t even let out a proper moan, he felt semen spreading deep inside his body with a deep thrust of the hips.

    Unlike usual, the throbbing was particularly long, and the amount of semen was so great that as soon as Sa Seung-yeon pulled out, he felt it flowing down between his buttocks.

    Sa Seung-yeon stared intently at the semen that the hole couldn’t hold and spat out, then scooped up the fluid with his fingers and pushed it back into the hole. Thump, thump. His fingers mercilessly poked deep inside the hole.

    Only after Sa Seung-yeon had put all the fluid that Lee Il-seo had expelled back inside did he release his legs with a satisfied expression and take off all the clothes he was wearing.

    ‘I have to… Escape…’

    While Sa Seung-yeon stripped off his clothes, Lee Il-seo pushed himself up on trembling arms, trying to retreat across the bed. Sa Seung-yeon watched him in silence, his gaze unreadable—almost dazed. Then, without warning, he seized Lee Il-seo’s ankle in one hand. Despite Lee Il-seo’s frantic scrambling, his body was yanked back in an instant, returned to the center of the bed like a fish caught on a line.

    “Ah. Senior… No, don’t…”

    Sa Seung-yeon finished removing the underwear and pants that were caught on Lee Il-seo’s knees. Lee Il-seo crawled across the bed, trying to escape with his weakened body, but Sa Seung-yeon easily dragged Lee Il-seo to the center of the mattress as if playing with a toy, and easily removed his top as well.

    It was an overwhelming difference in strength. Lee Il-seo was naked in an instant. As if annoyed that he was still trying to run away, Sa Seung-yeon clicked his tongue softly.

    “Tsk.”

    Sa Seung-yeon grabbed the T-shirt he had stripped from Lee Il-seo and swiftly bound his struggling wrists together. With his strength already waning, Lee Il-seo lost his balance and collapsed without resistance. The sudden aggression—so unlike Sa Seung-yeon—shocked him to the core. His chin trembled as fear took hold, and each time that consuming pheromone filled the air, all he could do was shrink back, helpless and overwhelmed.

    The scent, which had initially been overwhelming and painful, now began to subtly consume his entire body like watercolor paint spreading. It was strange. He became sensitive as if his entire body had become an erogenous zone.

    “Haa…”

    Sa Seung-yeon raised one corner of his mouth crookedly as he watched Lee Il-seo, soaked in Pheromone, rubbing the back of his head against the sheet. Unlike spraying strong Pheromone and tying his wrists, it was a very gentle and persistent butterfly kiss.

    “Ha… Ugh.”

    Lee Il-seo’s flushed body also began to show unfamiliar reactions to each of Sa Seung-yeon’s subtle touches. His body convulsed intermittently whenever Sa Seung-yeon’s lips touched every part of his slick, naked body.

    His lips traced a slow, heated path over the tender skin of Lee Il-seo’s collarbone, up along the curve of his neck and shoulders, before finding his nipples. He licked and sucked at the pale flesh, drawing a sharp sting that made Lee Il-seo flinch—but the pain was fleeting. As his nipples began to swell under the attention, a wave of heightened sensitivity rippled through him, making his entire body tremble in response

    “Heu, ugh.”

    Lee Il-seon, who was about to reach orgasm just from having his nipples licked, Sa Seung-yeon spread Lee Il-seo’s legs and inserted his cockback between the opening. The semen that Seung-yeon had pushed in flowed back out, wetting the sheet and Lee Il-seo’s buttocks again.

    Even as he thrust deeply to the pubic hair, as if dissatisfied with something, he grabbed Lee Il-seo’s waist and pulled him towards his body to insert even deeper.

    The sound of flesh rubbing together was loud throughout the bedroom. When he tried to push back with the recoil of his hip thrusts, a large hand grabbed his waist and pulled him down. Lee Il-seo covered his stomach with his tied wrists, feeling as if the big cock would pierce his abdominal skin.

    Note

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