Kinktober day 6
Mark Grayson + tentacles
I've wanted to write this for a long time... Mark Grayson, the things I would do to you. Reader is something eldritch horror in nature.
Kinktober 2025 masterlist
The endless darkness of space was enough to drive a person crazy. Nothing but empty space as far as the eye could see, no matter how far you went. The stars never got any closer, and there was no sign of life, planets or asteroids.
Yet somehow, Mark had found... something. Or rather, something had found him. It, you, were like stars, space dust and a darkness so deep it couldn't be described with words or comprehended by the living mind.
Mark had no idea how long he had been flying, keeping track of time out in space was even harder than following directions. So maybe he let himself be cradled in that everchanging... something.
At first it had felt like a blanket, or water, carefully coiling around his body like it, you, were scared of hurting him. And wasn't that a thought, something scared of hurting a Viltrumite.
There was a tickle in the back of his mind, it felt like a careful poke, like you were politely asking if you could enter his mind. And Mark, who had experienced so many things at this point, just allowed it. If you had wanted to kill him, Mark was sure you would have done so already.
All the time out in space alone, also meant that Mark hadn't been able to find any type of release for a good while, for how long he wasn't sure. But it was enough, that just the strange there-but not really there, touch of whatever you were, made his blood rush.
And yes, maybe Mark let his thoughts flicker to some of his fantasies for a moment, but it was only a moment. What guy hadn't imagined being manipulated and used by something alien and all-powerful. Perhaps it was just Mark, or a certain group of people, but Mark couldn't help it.
Mark felt more than heard your curiosity, a strange bubbling chirping, like somebody was blowing bubbles in a glass of water with a straw, but more. Like it was inside him and all around him, the stars themselves warping and twisting at the simple noise.
Who were you to not respond to the curious creatures' thoughts, as suppressed as they were. You were no human, with no concept of lust or human emotions or bodily reaction, but you were interested, as much as something like you could be.
Had you possessed the ability, you would have snickered at how Mark gasped, as he felt the strange water-like texture of your touch become more solid, coiling around his body like shapeless tentacles. Sturdy and strong, squeezing his body like a snake constricting its prey.
Mark had already been hard at the sheer power difference between the two of you, so he could only shiver and gasp out soundless noises. Outerspace didn't really do noise, or air, so Mark couldn't moan like normal.
There was no need for it though, as you could sense it through the mild mental connection you had forged. Nothing extreme, just a weak connection so you could sense his mood, and read some of his surface level thoughts to communicate.
It was so interesting to watch, as Marks body twitched and jolted as tentacles coiled around his thighs, squeezing them tight, before spreading them as far as they could go. In the meantime, black wrapped around his arms in intricate designs, before pulling them above his head.
Mark was trembling like a leaf, his mouth open but not panting nor breathing, there was no need for it. Viltrumites could go a long time without air or food, so he should be fine.
That was, until those tentacles made of space matter hooked into his suit, and pulled it off like wrapping off a present. Some part of Mark wanted to cover himself, but a deeper hidden part of himself thrived of being robbed of the choice.
And when a tentacle wound around his throat, Mark choked on the air that wasnt there. Panic flashed through his body, like his system was finally registering the lack of oxygen.
Like the good host and lover you were, you had a solution for that. Marks open wet mouth was the perfect spot, the viltrumite only gagging once as a slick smooth tentacle slid down his throat, pressing his tongue against the bottom of his mouth.
Marks eyes flutter and roll back as the tentacle pushes and pulls a few times, mostly for his enjoyment, fucking his throat deeper and deeper, until finally Mark felt oxygen in his lungs. You were creating the exact oxygen he needed, and feeding it to him.
His cock throbbed between his legs, hanging hard and heavy and oozing like a broken faucet, his precum disappearing somewhere amongst the twisting darkness and tentacles.
It was hard to control his body's reactions, as you fed off the many fantasies that swam to the front of his mind. Tentacles toyed with his nipples, groped his pecs, jerked his cock and teased his ass.
There was a thrum, like a plane taking off, but something told Mark it was more akin to a purr. It was everywhere, something he could feel deep in his bones, and vibrating against his prostate like some invisible force.
Between his spread open legs, Marks cock pulsed and shot out a heavy load, the streaks of white being swallowed up by the ever-twisting darkness and space dust.
Of course, one orgasm wasn't enough for a viltrumite, so you kept toying with him. It helped that a being such as yourself could feel his limit, which was why you knew he was nowhere near it.
Mark finally gags around the tentacle in his throat, drool, snot and tears running down his face as his lashes clump together. You could only imagine he had to be the prime example of beauty amongst his kind, not that you would know.
Your viltrumite lover gurgled as a slick tentacle pushed inside him. There was no pain, because there was no way you would allow that, just an intense feeling of being full, of having his prostate squeezed and pressed against, until his cock squirted out another load.
There was no way to keep track of time, or of how many loads Mark had squeezed out of his body, or how many tentacles were inside his body. It was all a melting mess of pleasure, heat and want.
When Marks body finally couldn't take anymore, the tentacles withdrew from inside him, instead coiling around him like a full body hug, or a cocoon for him to rest inside.
A small tentacle tickled against his ear, as close to a kiss as you could give, but enough to make Mark shudder with a still present want and brewing affection. He did turn his head away though, as the tiny tentacle questioningly pressed against the entrance of his ear. There were many holes he wanted stuffed, but that wasn't one of them.
A shapeless feeling brushed against his chest, a small comfort telling him to rest for now. Nothing could touch him here, and you were willing to keep a couple of your billions of eyes on his world for now, as long as he would need.