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"So you mean to tell me…" he falters, breath catching in his throat. His body feels like it's on fire. "You mean to tell me your fucking saliva is toxic! And are just now saying something!"
Rocky watches him from behind his goggles with unrestrained interest. "How was Rocky supposed to know?"
This just makes Grace yell into his hands with budding frustration, heat crawling up his neck. He roughly unzips his hoodie and discards it on the table beside him. They have the centrifuge running, which means Grace gets to ride out, whatever, this is, in relatively normal gravity. Rocky giggles a little and he snaps his head towards him so quickly that his neck pops. "What?"
"Grace used his forbidden words."
He groans again, stomach cramping uncomfortably. "Now is a good time to say fuck, actually." He grits out. "How toxic? What do I need to do or know?"
Rocky is fascinated, he's never seen anything act quiet like this towards their saliva. Maybe it's because technically, Grace is an apex predator too, though with his lithe frame…. Apex is a stretch.
"Rocky!" Grace snaps his fingers in front of his face.
Rocky doesn't like that. Didn't tolerate it from his mates, from his fellows, from anyone. And that includes Grace. So he snatches that wrist and bites the tender flesh. He has a single moment of; admittedly very human, "oh shit." And then Grace looses the rest of his mind and his restraint. Grace is flying at him, red faced and hands snatching for him before he can even blink. Can't even take a step before he has handfuls of Grace, mewling and whimpering and pressing as close as he can get. One second, full of rage. The next, pawing at him through his jumpsuit in a way that has him thanking the stars they are the only ones on this ship.
"Tell me to stop." Grace huffs, face against Rocky's thin neck, and licking up the artery to his jaw. "Tell me and I will." He whines, pressing close but holding himself back by a thread.
Rocky wraps his arms around the little human; two hands rubbing up the backs of his thighs under the swell of his ass. One hand in Graces' soft hair. One swiping down the arch of his delicate spine. "I don't want to stop." He tells him, face pressed against his temple.
Grace whimpers, pressing into him, the swell of his dick pressing into Rocky's stomach with an insistent hurry. He's rocking against him, lost to the lust now that Rocky has said he wants this, wants him. He doesn't make more than a few humps before he's cumming against him. His dick twitches with over stimulation and that horrid feeling doesn't abate, he's still (rock, ha!) hard. He whines in misery, writhes against Rocky's body.
"Please trust me." Rocky whispers, before standing up and taking Grace with him without effort. Carries him to his bed and lays him down gently, so gently, though he knows that's not what Grace wants right now. Pulls the rest of his clothes off of him, admires the flushed quality of his skin and winces at the flushed state of his poor cock. He leans forward and takes that little cock into his mouth, licking around the head in circles before sucking him down his throat, Grace yelling hoarsely as he grips the sheets for dear life. Grace doesn't last long before he comes down his throat like that.
"Rocky please," He whines, thrusting into the air when Rocky pulls back. He has tears in his eyes. "It wasn't enough," he wipes his eyes though more replace them, "please Rocky."
Rocky places his hands on Graces thighs, spreading him open to him. His other hands pet over Grace and when one gets too close to his lips, Grace sucks the fingers into his mouth. That… is something to explore later when Grace isn't so desperately horny. He lets Grace continue though, as he seems to be satiated with that small act alone. He leans forward, tongue dolling out to lick around that small hole that will let him rock into his little human and finally bring Grace some relief. He does happen to wonder if maybe licking him is the wrong move, but then Grace is trying to rock closer to his tongue and decides he'll worry about it later. He works him over quickly, being extremely careful, even under the time restraint. He sticks his tongue in further, just for fun, and sticks his fingers further down Grace's throat. That has Grace cumming with a scream, twitching feebly against his hold and untouched dick weeping. His whole body is red, and the tears are pooling at his head, slicking his hair back along with the sweat.
"Sorry, starlight, don't worry, I will take care of you." Rocky mumbles pressing forward and slipping inside of Grace with his ovipositor. It wiggles in deeper than his tongue and fingers went, smoothing along Grace's walls with a single minded focus. He wipes the tears from his humans face and leans up to press their foreheads together. Grace has finally settled some, the great heaving breathes finally settling into deep pants of pleasure as Rocky thrusts into him gently.
Rocky takes this momentary calm to take stock of Grace. He is still flushed, stomach covered in his release. His skin is covered in a sheen of sweat and flushed a near permanent pink at this point. He is breathing unsteadily, his eyes rolling to the back of his head as he gets lost in the pleasure. He is ethereal, the little marks upon his skin reminding Rocky of the stars they are so desperately trying to save. He runs his hands all over that skin, finally allowed to just touch without Grace making demands or crying in pain. Every now and then Grace will give a little twitch of pleasure as he runs his hands in the right spots. He turns his head down to look at them, pressed together so lewdly. His knot is swelling, catching onto Graces' rim every so often. He knows this will only end if he knots him. But a sick part of him wants to keep going.
Not enough to hurt Grace though. He lets his knot catch again and pushes it inside. Grace cries out under him and finally opens those tear-filled eyes. A few fall down his cheeks and he licks one away before he reaches his own peak, locked inside of Grace's willing body. Grace is speechless, mouth open moaning into the air. Rocky sticks his face against that long stretch of unguarded neck and bites, licking up the skin from the budding bruise. He can't help the small; hind; part, of his brain that tells him he just claimed his new mate.