Hi! reviews already? :) Just to let you guys know, this is a short one- 5 chapters only I'm afraid. They're all written, so I'll be updating regularly over the next few days. It's just to tide people over while I write a long one I'm doing. :) Thanks for the reviews!

"Spock-" Kirk attempted, but Spock didn't give him chance to finish, sneering as he pushed two fingers into the human's mouth, watching Kirk gag on them.

"If you want any lubrication, you would be wise to begin sucking," Spock said softly, chuckling darkly when Kirk complied almost eagerly, whimpering.

"Good. Much better. However I doubt that this will be sufficient for pleasurable penetration. Pity." He removed his fingers from Kirk's mouth, leaning back onto his knees. "Turn over. I do not wish to look at you."

Kirk slowly did so, frowning. He clearly didn't like being told what to do, and Spock was glad, aching to fuck him until he screamed and begged for mercy- to break him as surely as the human had broken his own self-control, had forced Spock to feel in ways he could not have thought possible.

Spock dragged Kirk onto his hands and knees roughly, preparing him with his slick fingers in such a brief, cursory manner that he may as well have not bothered; the human hissing through his teeth and scrabbling at the sheets in pain. Spock spat on his hand, spreading the last of the wetness over his erection, before digging his nails painfully hard into Kirk's hips and driving his cock deep into the human, Kirk sobbing and shaking beneath him.

"Fuck-" Kirk groaned, and Spock smirked, barely pausing before pulling almost all the way out and slamming back in. The human felt amazing around Spock's swollen cock, tight and hot and completely overwhelming, drowning him in sensation that he had fought for so long to avoid. Kirk moaned, his breath catching as he shuddered with another sob.

He will not last long, the Vulcan thought with satisfaction, beginning to thrust savagely. Soon he will be begging me to stop.

But Kirk did not, despite the brutal assault. Spock snarled, fucking the human even more powerfully and twisting a hand into his hair until Kirk was gasping for breath between his tears even as he pushed himself back onto the Vulcan's cock, groaning as the pain lessened, becoming almost pleasurable despite the savagery of Spock's attack.

"Beg me to stop, Captain, and I may," Spock goaded. "Or are you too useless even for that? Can you not even manage a simple plea, you worthless, obnoxious human?"

Kirk grunted in reply, his head low and his breathing sharp. Spock suddenly realised that Kirk had his hand wrapped around his own cock.

That cannot be. He pulled back hard on the Captain's hair, dragging Kirk almost to his knees and driving Spock's erection even deeper inside him, and snarled into his ear. "Did I say you could fucking touch yourself?"

"Did I ask?" was the choked reply, as Spock pushed hard on Kirk's back, throwing him down onto his hands and knees in fury and dragging his nails down the human's back hard enough to leave red lines in his wake. He began to thrust even harder, using all of his strength and fearing for the first time that it may not be enough as Kirk only groaned obscenely, his back arching as he came into his hand powerfully enough that Spock felt the waves of his orgasm as an echo through their physical contact.

With a choked growl, Spock pulled out of the human, flipping him onto his back easily and pulling him closer so that he could drive his cock back into him, face to face now, Kirk's legs hooked over his shoulders and trembling with the aftershocks of climax.

"I did not give you permission to come."

"Tough- tough shit," Kirk mumbled, his body limp and more relaxed now as Spock continued to drive into him, frustrated and furious with both his own inability and Kirk's smug, glazed expression. He reached down to slap Kirk hard across the face, but the human just grinned lazily and chuckled.

"That all you got, Spock?"

Spock hit him again, hard enough that Kirk spat blood, but the arrogance never left the Captain's face and Spock became even more frustrated, remorselessly fucking him hard enough that his own limbs were trembling with exertion.

Finally he could hold back his own orgasm no longer, pulling out and crawling up Kirk's body only to come in his face, the human blinking and shocked- but no longer complacent as he wiped at the sticky mess with his hand.

And then, slowly, with a grin that Spock had only heard referred to as "shit-eating", Kirk licked at his fingers, cleaning them with his tongue.

Spock had not succeeded.