Full Maturity

Dec 21, 2021 19:45

Full Maturity
M/M
Sam/Dean.

Summary:
Sam will probably never find out the exact reason his body evolved as it has.
However, there's no doubt that as a consequence, Dean is now his.

The feeling crept up on him gradually like a thief in the night.
Cell by cell, blood vessel by blood vessel, nerve ending by nerve ending; insidious and malignant it swept through his body, and before Sam had any inkling of what was happening, it had taken full possession of him.
A frown came to the young man’s brow as a sensation of unexpected warmth took hold. At first, Sam tried to shake it off, cranking his neck to relieve the tension, believing it was due to having been sitting motionless on the chair for too long. A good few hours had to have passed while reading his way through the rare book of Malaysian lore.
However the warm feeling in his gut persisted and with an annoyed huff, Sam pushed back the chair and got to his feet, stretching his arms and flexing the muscles of his back and legs.

He glanced down at the book before closing it with a sigh. He tended to get so caught up in his reading that time passed without him realizing it.
A hot cup of coffee was what he needed to clear his mind, but before Sam could take a step towards the door, Dean strolled in, a comatose expression on his handsome face.
Sam couldn’t halt the smile that came to his lips. Dean looked like a five-year-old who’d just awoken from his afternoon nap. So very cute … and desirable…!
The word that had come into his mind stopped him in his tracks. Where had 'desirable' come from? And most of all why would be using it to describe his big brother?

“You know why! “ an insidious voice whispered in his mind. “It’s because you’ve always desired Dean. Always wanted him for yourself. Always wanted to fuck him, kiss those inviting lips, take him for your own.”
Sam could feel his cheeks pale to white as the disturbing words filtered through his brain. What was causing him to have these weird thoughts about Dean when nothing similar had ever happened before?
Yet as Dean took a step closer, all Sam wanted was to reach out and do exactly what the words had whispered. It was as if he’d awakened from a period of stasis where he’d been living hand in cheek with his brother without really seeing him as the desirable object he was.

“Come on Sam. Take him. You know you want to,” the beguiling voice continued. “He won’t stop you. Dean would do anything for you. He'd consent to your wildest desires. But then,” the voice hissed malevolently, “even if he doesn’t, he can’t stop you. You’re strong Sam, much stronger than Dean, especially now.”
For a moment Sam was spellbound by the scenario his mind was forcing on him, contemporaneously horrified yet held in thrall by its perversity. Commit incest, fuck his beloved brother. Where had all this come from?

“Hey, Sammy, “ Dean muttered abstractly. “ I must’ve fallen asleep watching a movie. Have you had your face that book the whole time.”
The sound of Dean’s voice pulled Sam from his reverie and he stared at Dean as if seeing him for the first time, and in a way, he was, for considering his brother as a sexual object had never entered his mind before.

“Uh...Yeah, “ Sam replied, struggling to oust the unwanted images of his brother naked and moaning from his brain. “ I got caught up in the lore..”
Dean chuckled. “ Dude. You have to be the nerdiest nerd on the planet, though I’m gonna guess that a self-respecting nerd would be more into Star Trek than into Malaysian rites of witchcraft.”

Sam managed to force a weak smile in response but the sensations he was experiencing wouldn’t leave him. On the contrary, they were becoming more powerful by the second, and with growing distress Sam could feel his cock hardening, beginning to strain against his pants.
It was in an almost blind state of panic that he ran out of the library and headed for the nearest bathroom.
Whatever this was that had wormed its way into his mind would have to get the hell back to where it had come from.

Locking the door behind him, Sam freed his cock and fisted it, praying that whatever had happened a few minutes ago was a one-off, a weird moment which he’d be able to chalk down to his tired brain and never dwell on again. Unfortunately for Sam that was not to be and as he neared orgasm, Dean’s naked body was the image that pushed him over the edge.

“Sammy! Are you okay in there? Why’d you run off like that?” Dean's voice was muffled as it filtered through the thick wooden door but unmistakably alarmed.

Leaning back against the wall, Sam let out an exhale.
He had no answers to give Dean because he had none to give himself. Moreover, the effect of the hand-job was wearing off, and once again he had the hots for his big brother. Full-blown terror had overtaken Sam now.

Once again the voice in his head returned to torment him. “Only Dean can satisfy your needs,“ it said. “Go, make him yours. Fulfill your destiny. You were chosen to be the new leader of Hell, Azazel’s favorite. It’s finally time for you to rule but first, you must bind your consort to you. He too was chosen to stand at your side, to be your mate.

Just as you come to full maturity so will he. “

When Dean heard Sam shout out a string of “No, no no!", his voice filled with despair, the older Winchester didn’t hesitate another second. The door caved in as Dean slammed through it with his shoulder.
Sam was leaning against the wall, his pants unbuttoned, his face pale as death, yet when Sam turned his gaze on him, Dean found himself the object of intense scrutiny. He felt a little like a rabbit hypnotized by a predator. However, the sight of his brother essentially unharmed, calmed Dean’s fears.

Sam would never know if it was the book he’d been reading, an inevitable resurgence of his demon blood syndrome, or some until then unpredictable on-switch in his DNA, but the words that had been whirling around in his mind since studying the book of lore now seemed absolutely reasonable and sane.

As he looked at his brother, really looked, Sam understood it was all true. He did want Dean. Did want to take him, fuck him, bind his brother to him in every way possible.
In response to Sam's gaze, a strange expression appeared on Dean’s face, a mix of apprehension, fear, and dread.

A sensation of inevitability invaded the small bathroom. This was how it was meant to be.
Sam took a step forward and gripped Dean’s shoulders. “You belong to me now Dean. And I’m never going to let you go. I've grown into I was born to be, as have you.”

When Sam’s mouth came down on Dean’s, there was no doubt as to who was in command, and Dean instead of trying to fight his brother off, merely melted into Sam’s arms, the thrill of his beloved baby brother’s lips on his devastatingly addictive.

As he plundered his big brother’s mouth, Sam had to give the voice in his head its due. Sam would eke out every drop of pleasure from Dean’s body and by the way Dean was passionately responding to his kisses, it seemed Dean would let him.

Chapter two:- https://archiveofourown.org/works/34672939/chapters/86699611#workskin

sexual content, m/m, sam/dean, supernatural

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