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The Experiment

Dr Rowe leaves the containment field off too long. The eldritch thing in the tank gets out — and is very precise. Tentacle creature, lab setting.

M/M · gayTentaclesMonsterSci-fi

Dr. Elias Rowe had been studying the creature for months.

It was an eldritch entity — something between plant and animal, with long, flexible tentacles that seemed to have a mind of their own. It was contained in a reinforced tank, but Elias had been running more and more invasive tests lately.

One night, he made a mistake.

He left the containment field off for too long.

The creature escaped.

Elias barely had time to react before multiple tentacles wrapped around his arms and legs, lifting him off the ground. More limbs tore his clothes off with frightening efficiency. Smaller, thinner tentacles wrapped around his cock and balls, stroking and squeezing with unnatural precision.

A thick tentacle pressed between his legs and pushed inside his hole without warning.

Elias cried out as it stretched him open. It was warm, slick, and textured in a way that made his vision blur. More tentacles joined in — one sliding into his mouth, another wrapping around his throat, smaller ones teasing his nipples and the sensitive skin behind his balls.

The thick one inside him started fucking him with deep, relentless strokes.

But it didn’t let him come.

Every time Elias got close, the tentacles around his cock would tighten or change rhythm, pulling him back from the edge. The one inside him would slow down or thicken at the base, keeping him stretched and desperate but never quite satisfied.

Elias was shaking, drooling around the tentacle in his mouth, tears pricking at the corners of his eyes.

The creature was edging him.

On purpose.

It kept him like that for what felt like hours — fucking him, stroking him, filling him, but never letting him finish. Every time he got close, it would back off, leaving him desperate and oversensitive.

Eventually, Elias was sobbing, begging around the limb in his mouth.

The creature finally took pity on him.

The tentacles around his cock loosened. The one inside him started fucking him harder, faster, hitting that spot with every thrust. Smaller tentacles stroked and squeezed him in perfect rhythm.

Elias came so hard he blacked out for a second.

His whole body convulsed as he came untouched, cum spurting in thick ropes across his stomach and the floor. The creature didn’t stop — it kept fucking him through it, drawing out every pulse until Elias was shaking and whimpering.

Only then did the tentacles slow down.

They gently lowered him to the floor and curled around him almost protectively. One smaller tentacle gently stroked his hair.

Elias lay there panting, cum leaking out of him, mind completely blank.

He should have been terrified.

Instead, he reached up with a shaky hand and touched one of the tentacles wrapped around his waist.

“…Again,” he whispered hoarsely.

The creature made a low, pleased sound.

And the tentacles began to move once more.

A written story from Vibe’s reading shelf — narrated prose, not audio. Fictional; all characters are adults. The app has 96 written stories and 200 audio stories.

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