Cover of The Sea Otter's Secret

The Sea Otter's Secret

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Genjirou Tanigaki from Golden Kamuy in the episode "Blue Eyes" is cooking sea otters in a cauldron in the cabin while the others went for supplies and wood, tanigaki is left alone inhaling the powerful sea otter aphrodisiac scent (no one knew about the aphrodisiac properties). The thick musk hits his lungs and instantly rushes through his veins like liquid fire. His massive hairy body starts heating up only know realizing just how much he gained during the journey (he gained 15 kg of both fat). His thick muscles are bulging under his now tight button-up shirt, pecs pushing forward heavily while his round musclegut (used to be defined abs and now the abs are meatier and barely visible) strains the buttons outward. His cock thickens rapidly, swelling hard and forming a massive obscene tent in his pants as the fabric stretches tight across his growing bulge. The white shirt strains violently against his bigger chest and gut, the top buttons creaking loudly and widening the gaps between them, revealing his hairy chest. Sweat begins to bead on his skin as the aphrodisiac surges through him, his deep hairy armpits becoming damp and radiating raw, masculine testosterone musk as it stains the underarm area of his shirt. Tanigaki grunts deeply, eyes half-lidded in pleasure, and slowly lifts one thick arm to sniff his own hairy, sweaty pit, inhaling his own powerful scent while his muscles keep swelling. The tent in his pants grows even bigger, the waistband button now audibly groaning and bowing outward from the pressure of his throbbing cock. With a hungry, cocky grin he grips his massive bulge through the fabric, teasing the struggling button by circling it with one finger. And as he is atonished at all the weight he gained only now hitting him that he might have gotten bigger, suddenly *pop *pop, the top two buttons popped and as he looks down at his top hairy chest exposed he's like "Oh dear, my buttons bursted off" and then a smirks spreads through him as the horniness takes over and he realized he quite enjoyed that and seeing himself in the mirror now, his tight clothes hugging his bigger frame, he spreads his stance wide, leans back slightly, pushes his gut and bulge forward hard, and lets out a deep, loud grunt of pure relief as the rest of the shirt buttons finally burst open one by one with sharp pops, the shirt ripping open down the middle and exposing his sweaty, hairy pecs and round musclegut while his cock throbs against the strained pants.

Chapter 1: The Bursting Point – Aphrodisiac and Unleashed Desire

The cabin’s thick wooden walls, warped by decades of snow and wind, creaked under the weight of a single flickering kerosene lamp. Its golden glow cast jagged shadows over the rough-hewn table where the cauldron bubbled. Sea otter stew. A thick, intoxicating musk rose from the broth, filling the stale, woodsmoke-laced air and clinging to the damp pine beams overhead.

Genjirou Tanigaki leaned against the counter, waiting for the others to return with more firewood. He took a deep, absent breath.

The scent hit his lungs like a drug.

It wasn’t just the smell of cooking meat. It was deeper, primal, a thick musk that rushed through his veins the moment he inhaled. Liquid fire. A flush of heat erupted under his skin, starting in his core and radiating outward.

His body reacted before his mind could catch up.

A deep, familiar throbbing began in his groin, insistent and rapid. He looked down. His cotton work pants, already snug from the long journey, strained against a sudden, obscene pressure. The fabric tightened, forming a massive, unmistakable tent. He grunted, a low sound of pure surprise.

Then he became aware of the rest of him. The cabin was cool, but a slick sweat instantly beaded across his shoulders, his chest. His shirt. The white button-up felt like it was shrinking. He’d known the rations had been good, that his clothes had gotten tighter, but he’d been moving, fighting—he hadn’t stopped to look.

Now, he had to look.

The top button of his shirt was already creaking, the gap between it and the next stretching wide to reveal a thatch of dark chest hair. His pecs, thick and heavy, pushed against the fabric. Lower, his stomach—once defined, hard planes—now curved outward against the line of buttons, a solid, meaty roundness that strained the cloth taut. Muscle and fat, a good fifteen kilos of it, all making itself known at once.

“Ah…” The sound escaped him, half-groan, half-sigh. The heat was everywhere. It pooled in his armpits, a damp, gathering warmth. He could smell himself now, a raw, masculine musk cutting through the otter scent. Testosterone and sweat. Without thinking, he lifted one thick, heavily furred arm and bent his head.

He inhaled deeply.

His own scent, powerful and animal, flooded his senses. His eyes fluttered half-shut for a second. Pleasure, pure and simple, lanced through the haze of shock. His biceps swelled against the sleeve as he held the position.

The tent in his pants grew heavier. The waistband button groaned, a distinct, plastic stress sound. It bowed outward, a prisoner under siege.

A slow, hungry grin spread across his face. The horniness wasn’t just a physical reaction anymore; it was a wave, swallowing his initial astonishment. He liked it. This raw, overwhelming feeling of… capacity. Of sheer mass.

He let his arm drop and used that hand to grip himself through the pants. The bulge was hot, almost intimidating in its size. He traced a single, calloused finger around the struggling waistband button, teasing the point of failure.

He shifted his stance, kicking off his boots, stanidng in his white socks in the sawdust on the floorboards. He caught his reflection in the dark window glass, warped and shadowy. The man staring back was broader, denser. His clothes hugged every new curve and bulge like a second skin.

He smirked.

He spread his feet wide, leaned back slightly against the counter, and pushed his pecs and that tremendous bulge forward.

Pop.

A sharp, satisfying sound. The top button gave up, pinging off into a dark corner.

Pop.

The second one followed instantly. He glanced down. A wider expanse of his sweaty, hairy chest was exposed now. The cool air hit the damp skin, raising goosebumps.

“Oh dear,” he murmured to the empty cabin, his voice a deep, gravelly rumble. “My buttons bursted off.”

The smirk turned into a full, cocky smile. The horniness took over completely, erasing any last bit of shyness. He enjoyed it. He enjoyed seeing himself like this, a beast of a man coming undone in the flickering light.

He took another deliberate, heavy breath, filling his expanded chest with the drugging, musky air. He tightened his grip on his bulge. He pushed his body forward again, demanding more.

Pop-pop-pop-pop.

A final, rapid volley. The remaining buttons surrendered one after another, a series of sharp cracks against the quiet cabin. The shirt ripped open down the middle, falling slack to frame his torso. His pecs, solid and broad, his round, firm gut, a landscape of hair and sweat and power—all exposed.

His cock throbbed painfully against the confinement of his pants, a relentless pulse in time with his heartbeat. He let his head fall back against the cabinet, and a deep, loud grunt of pure relief tore from his throat. It echoed off the wooden walls, a raw and honest sound in the empty space.

He stayed there for a long moment, breathing heavily, the apron strings now the only thing holding his shirt in place around his enormous frame. The scent of the stew and his own sweat swirled together into a single, intoxicating perfume. His mind was quiet, focused only on the incredible, heavy sensation of his own body.

Outside, the wind picked up, howling around the eaves. But inside, there was only heat, and pressure, and the sound of his own ragged breath.

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