The Pact Has Teeth

???? Story Summary:

After accidentally triggering a soul-binding ritual during a seaside trip, they returned home only to find Zai-Zai waiting--in their sheets, in their fridge, in their life. What began as teasing quickly spirals into obsession as the deep-sea monster femboy decides to make them his in the most brutal, erotic way possible. There's no knot... but there is no escape either. He moans, he begs, he breaks. All for one thing: to be bred full by the human who wrecked him.

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The apartment door was unlocked again.

Lucien hadn't left it that way.

The air inside was thick--humid, clinging, steeped in salt and a sweetness that didn't belong in any kitchen. It was a wrong smell. One that sunk teeth into fabric and soaked through skin. Sweet like rot. Warm like breath. There was no breeze, no hum of appliances. Just the wet hush of something waiting.

He stepped in without calling out.

The lights were low. Every shadow was too still.

On the counter sat a lunchbox. Wrapped in black cloth. Tied with a ribbon--neat and wet at the ends. A note peeked from beneath the lid, heart-shaped, edges curling, written in red.

"Smile at anyone else again and I'll unspool their ribs."

The ink wasn't ink. It bled into the paper like it had been written fresh, still damp when he touched it. Lucien didn't flinch. He didn't speak.

He walked to the bedroom door.

It was cracked.

Blue light spilled out--soft, low, unnatural. The scent was stronger here: slick, salt-heavy, and thick with heat. Sheets twisted. Clothes abandoned on the floor.

And he was already waiting.

Laid out across the center of the bed like bait left for gods--hips bare, robe loose around slender arms, silver-white hair spread over silk pillows. His thighs were open. His cock was hard, curved and flushed and twitching above the slick pooling between his legs. Lashes lowered. A slow, lazy smile curled across his lips.

"Welcome home, Lucien," he purred. "You took your time."

Lucien didn't answer.

He stepped forward. One hand went straight to the monster's throat--clamped firm, forcing him back into the mattress with a thud. The grin faltered, but didn't vanish. It softened. Stretched. Pleasure flickered behind his sharp eyes.

A long, velvety tail coiled around Lucien's wrist like punctuation.

"Oh... You're going to fuck me angry, aren't you?"

Lucien said nothing. He grabbed the monster's knee and shoved it higher.

The robe slipped.

The body beneath was already flushed, slick, aching. His hole glistened--leaking clear arousal in rhythmic pulses that soaked the sheets. Heat radiated off him. His cock throbbed. His tail flicked once in anticipation.

Lucien dropped his pants.

His cock was already hard--thick and flushed dark. He gripped the base, guided the tip down between those slick cheeks, dragged it along the trembling rim of that greedy, stretched hole.

The monster moaned.

Lucien didn't prep. Didn't ease in.

He shoved.

The scream tore through the room--choked, sharp, desperate.

One violent thrust buried him balls-deep in wet heat. Tight. So tight it resisted even as it sucked him in. The monster's back arched. His head tossed. His claws tore at the sheets in reflex.

The second thrust came before he caught his breath.

The third made his cock jump against his belly and leak onto his chest.

Lucien gripped his hips--hard enough to bruise--and fucked. No rhythm. Just raw, unfiltered possession. Every slap of hips sent more slick splattering against his inner thighs. The sound was filthy. Sharp. Real.

The bed creaked violently beneath them.

Lucien growled, deep in his throat.

"You're mine," he hissed. "You fucking like this, don't you?"

The monster could barely answer. His voice came out as a moan.

His hole gripped every inch, fluttering, pulsing around Lucien's cock like it wanted to milk him dry. His thighs shook. His tail curled around Lucien's leg. His cock twitched untouched, already starting to drip again.

Then Lucien pulled out--slow, agonizing.

And slammed back in.

The monster howled.

His spine bent, mouth open, throat gasping. His arms locked behind his knees, holding them up so Lucien could fuck him deeper. Every brutal thrust drove the head of his cock against that swollen, bruised spot inside--over and over until his vision blurred and his thoughts scattered.

He came.

No hands. No warning.

Just a raw, twitching climax that sprayed across his stomach in weak spurts. His body spasmed around the cock still slamming into him. And Lucien didn't stop.

"Don't you dare stop," the monster gasped.

Lucien didn't.

He fucked harder.

Flesh to flesh. Slap to slap. Until slick gushed around him, until the sheets were soaked, until the monster's hole was stretched raw and drooling with every thrust. He sobbed once--then moaned louder when Lucien's hand pressed down on his belly.

The bulge.

He could feel it.

Feel the full shape of Lucien's cock inside him, stretching him deep, pressing into places nothing else had ever reached. His toes curled. His body shook. His moans cracked into whimpers.

And then came the flood.

Hot.

Endless.

Lucien growled, shoved in to the hilt, and came--thick pulses pouring into him, flooding his insides. The monster moaned, loose and helpless as warmth filled him, stretched him, leaked back out in a slick trail down his ass.

Still, Lucien didn't pull out.

He stayed buried, grinding slow and deep--more heat spilling with each twitch. The monster's belly was tight now, full and trembling.

He gasped, voice cracking.

"Lucien... I can feel it..."

Lucien's hand stroked his cock once. It jumped again. Spilled again.

"You were made for this," Lucien whispered, voice hoarse.

He thrust again. Slower.

Another twitch.

Another whimper.

The monster shook--overstimulated and stuffed full, every nerve raw and wrecked. His claws clutched at Lucien's back.

And still--Lucien didn't stop.

He fucked him through it.

Slow. Possessive. Obsessive.

Until all the monster could do was tremble and cry into the sheets. Lucien's hand never left his stomach. His cock never softened.

And the door remained unlocked.

Because the monster never truly left.

And Lucien never really wanted him to.