18+ Making a baby

Noah's breath hitched, his body trembling beneath Thalassius' weight. His mind was racing, trying to find a way out of this insane conversation.

"W-What if..." Noah swallowed hard. "What if it doesn't work? Even if you do it over and over again?" His voice was shaky, uncertain.

Thalassius' smirk deepened, his glowing blue eyes filled with amusement. "Well," he mused, tilting his head slightly, "if that happens..." He leaned down until his lips nearly brushed Noah's, his voice dropping to a husky whisper. "Then maybe I'll just have to do it in my merman form."

Noah's stomach twisted at those words. "What?!"

Thalassius let out a dark chuckle, his fingers tightening around Noah’s wrists. "Merman cock is... different," he murmured, his smirk growing. "It's thicker, stickier... and it stays inside much longer than normal human seed. It makes sure the process takes."

Noah's face burned crimson, his entire body going rigid. "Y-You're insane!" he stammered, trying to twist out of Thalassius’ grip. "You’re a lunatic sea monster!"

Thalassius only grinned, his sharp teeth glinting.

Thalassius' grin widened, his sharp teeth gleaming under the dim light of the room. His grip on Noah's wrists was firm, keeping him pinned to the bed.

"You know," he murmured, his voice dripping with amusement, "I think I'd rather do it in my merman form instead."

Noah's eyes widened in horror. "W-What?!"

Thalassius chuckled, his tail shimmering faintly before shifting back into his true form for a brief moment. "Merman seed is different," he purred. "It’s stickier, thicker... and it ensures you get filled properly. Not to mention," he leaned in, his breath hot against Noah’s ear, "it’s much larger... and better."

Noah’s heart slammed against his chest. That was it. That was his cue to run.

With all his strength, he yanked his wrists free and bolted toward the door. His legs nearly gave out beneath him, but he forced himself forward, sprinting out of the room.

"Where do you think you're going, little human?" Thalassius called after him, his tone laced with amusement.

Noah didn't answer. He just ran.

Before Noah could even reach the door, a strong arm wrapped around his waist, yanking him back with inhuman speed. A startled gasp escaped his lips as he was lifted off the ground.

"You really thought you could run from me?" Thalassius whispered against his ear, his voice deep and amused.

"No—let me go!" Noah thrashed, kicking his legs, but it was useless. Thalassius was too strong.

With little effort, Thalassius carried him into the bathroom.

When Thalassius went into the tub and Thalassius transformed again, his legs morphing back into a tail, his body stretching and contorting. His cock emerged from the water, long and slimy with a sheen. Noah couldn't tear his gaze away, feeling a mix of fear and fascination. He watched as the merman reached out and took hold of his own cock, stroking it gently, the slime coating it leaving a trail of glistening strings in the water.

Noah felt his own body responding, his cock growing hard as he took in the erotic sight before him. He knew he should be repulsed, but instead, he found himself drawn to the merman's touch. The anticipation was almost unbearable as Thalassius approached him, his eyes never leaving Noah's. He reached for Noah's clothes, peeling them away to reveal his naked form. The cool water of the tub lapped against Noah's skin, sending shivers down his spine.

With a gentle nudge, Thalassius guided Noah to the edge of the tub, his tail sliding against the human's legs. Noah could feel the merman's cock against his entrance, and he let out a soft gasp. "Ah~," he murmured, feeling the sensation as Thalassius pushed in, inch by slow inch. The slime eased the way, but the size and girth of the merman's cock made the experience intense.

Thalassius moved with deliberate care, watching Noah's face for signs of pain or discomfort. He waited patiently, giving the human time to adjust to the intrusion. And when Noah finally nodded, giving his silent consent, the merman began to move, his thrusts slow and deep, sending waves of pleasure crashing through the human's body.

To be continued

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