Note: The human in this story is explicitly a transgender man. He is post-top surgery, on T, and specific terms are not used to describe his anatomy—aside from words for male genitalia being used in reference to his bottom growth. This is done for the comfort of FTM readers who prefer a mix of vague and masculine descriptors when trans men are written in erotica. I ask for any comments to not contain transphobic slurs (c**tboy, tr***y, etc.) or any language that treats trans people as a fetish. Any found doing so will be deleted. This piece is not intended to fetishize trans people (I am a nonbinary trans person).
In addition, he is consenting to the tentacle fucking; this is not a non-consensual tentacle story.
Enjoy!
~*~
Javier had always approached life with a 'try everything at least once' mentality. So when a new business opened that provided people the opportunity to indulge in a particular niche sexual interest, he very quickly jumped to the chance and got himself onto the waiting list.
To say he hadn't fantasized about this particular thing long before would be a lie. There was a fair amount of porn involving it which he had initially stumbled upon by accident but found himself enjoying immensely—and repeatedly.
The subject was aliens; a specific species of them. He had done his fair share of interspecies fucking already, not at all put off by alien men twice his size or claws or gelatinous anatomy and certainly not by the wide variety of dicks. Human guys were all fine and good, but there was something about the unknown of an alien species that just made Javier so damn horny.
The business offered 'sessions' with a species called the Ulpha, which were sapient piles of tentacles; countless limbs, multiple cocks on the males. Javier had gotten himself off many times to videos of people bound and spread by them, getting fucked until they were swollen with cum. He had even bought toys that were modeled after Ulpha dick-tentacles, but he had still longed for the real thing.
The weeks leading up to his appointment were full of excitement. He all but skipped down from his apartment that day and into the hover cab which brought him to the building. It was fairly unassuming from the outside, aside from the logo which featured a dripping wet tentacle and—upon closer inspection—the "Age 21+ Only" sign on the door.
Javier was greeted by an android receptionist who asked to see his IDs and for him to sign a waiver ("Not to worry. It's just for legal reasons, hun."). On the computer, she brought up the results of the blood work and other tests he had been required to undergo a few days before coming to be sure he wasn't carrying anything. He was clean, which of course he knew; he was always careful. With everything in order, he was handed a robe and a caddy containing various brands of optional aphrodisiacs.
He was led by another woman down a hallway and into a small, single-person change room that also contained a shower—for the aftermath. She pointed out the door opposite the entrance and told him to strip and put on the robe before entering it. With a wink and a friendly "Enjoy", she left him to his business.
Practically shaking in anticipation, Javier got undressed. After tying the robe's belt around himself, he went through the caddy. It happened to have one of his favourites, so he popped the cap and downed the liquid inside. The stuff was designed to heighten sensitivity but also increase stamina. His use of it before had allowed for over an hour of orgasms before his body gave out. He wanted to get the absolute most out of this.
With zero trepidation, he entered the other room. The place was entirely linoleum with a drain in the center—probably for easy cleaning purposes. A large, bright green Ulpha was sitting a few feet from the door.
"Good evening," said a voice in his head, deep and smooth as molasses. Javier knew the Ulpha were telepathic, but he didn't expect the presence of the voice to be so pleasurable.
He shivered. "Hello," he said simply.
"You must be Javier," the Ulpha said, shifting a few tentacles as the human approached. "My name is Aular. Please make yourself comfortable."
Knowing what he meant, Javier disrobed. The aphrodisiac was already starting to kick in, so even the fabric sliding off his skin was almost arousing.
Aular reached out and took the robe from him. He hung it up on a nearby hook and seemed to take a moment to look the human over (just how was a mystery due to him not having any visible eyes). The Ulpha gently caressed Javier's chest, running his tentacles over the thin scars under each of his pecs and resting them against his hips. The appendages were surprisingly warm.
"Mm, such a handsome creature you are," Aular said. One of the tentacles moved downwards, situating itself between Javier's legs and lightly rubbing once against his dick. "Especially here."
"A-ah, thanks. I grew it myself," Javier said, feeling himself throb at the touch.
Aular's low, jovial chuckle trickled down Javier's spine. "It is exquisite. I would very much like to get better acquainted with it."
A tentacle loosely wrapped itself around Javier's wrist and gently pulled him forward.
"Come," Aular invited.
"I intend to," Javier said.
The Ulpha told him to sit among his body and Javier gently lowered himself down, conscious of possibly hurting him. Aular's tentacles moved beneath him and a few came up to trace slow patterns on his chest and stomach.
"May we begin?" he asked.
"Yeah," Javier breathed, trembling as he felt his thighs being coiled around and eased apart.
"Good," Aular said. "How about you touch yourself for me first?"
Javier nodded and let his hand drift down. He thumbed the base of his cock, gasping as the simple touch sent a jolt of pleasure through him. There was already a little wetness there which he gathered and used to slick himself up. He began rubbing his dick slowly.
"That's it," Aular said after a time. "Sorry to make you wait, but I always like to see this first. And you can call me selfish, but I prefer to enter someone who's already sensitive and...twitching for me."
The phrase sounded particularly filthy in Aular's proper, accented voice. It sent Javier's dick throbbing and his pace picked up. Moans began to tumble from his parted lips, interspersed between his already heavy panting.
A tentacle traced the shell of his ear and down the side of his neck. It glided over his shoulder and found itself at one of his nipples. He usually didn't have much feeling in them anymore, but the aphrodisiac had changed that; they were sensitive as hell. The tentacle merely brushed past it to come to rest upon his chest, but his back still arched into it and a pleasured groan escaped him.
"I love your voice; so wanting," Aular said. "How do you sound when you cum, I wonder?"
Javier could feel his body rapidly approaching the edge, so the Ulpha wouldn't have to wait long to find out. His hand was flying over his cock, his chest heaved, and the unrestrained parts of his body twitched and writhed.
"Your heart is racing," Aular commented as Javier's voice grew louder. "Are you getting close?"
"A-ah! Yes," Javier moaned. "Can I?"
