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"You gonna nut in me or what?" Steve asked, craning his neck to look over his shoulder and coming nose-to-nose with the man plastered against his bare back.
Eyes closed, Eddie's sweat-slick face was scrunched up in a way that suggested he was constipated. His hair was in disarray on the pillow they shared and he panted from exertion as he squirmed, because he was balls-deep in Steve's ass, or as close as he could get with the way they curved together on their sides like ill-matched forks. His dick poked and prodded inside Steve, wiggling around like a blind worm as Eddie's hips did something that might generously be called humping, if seen from a distance through frosted glass. The bed creaked its complaints with Eddie's irregular movements and the sheets slipped further and further down the mattress, soon to escape to the floor.
It was by the grace of god-given biology and an unfortunate overabundance of perversion that Steve remained rock hard as the guy he was hopelessly attracted to rutted up into Steve's lube-slick hole with no finesse and ugly, pitiful grunts. Every few jabs, Eddie's cock managed to strafe across Steve's too-sensitive prostate, letting him ride a magical edge of arousal that only Eddie's awful technique seemed to satisfy. As usual, the constant whining in his ear made him want to burst out laughing, though he'd learned to tone the amusement down, because, despite all evidence to the contrary, Eddie genuinely thought he was good at topping.
"I was waiting for you, big boy. If you're ready for me to fill you up with this sweet, creamy seed, then...Yeah. I'll nut," Eddie mumbled after a not-insignificant delay, face still twisted with concentration as his hips continued to plap against Steve's ass cheeks in little weak bursts.
"Mm, yeah, fill me up with your creamy seed," he said, tamping down a fond grimace at Eddie's idea of talking sexy, which always seemed to cost a significant amount of brainpower for an incredibly awful result. Indulging Eddie's little dirty talk fantasies was his second-favorite part of sex with the guy, losing out only to the actual fucking, which was so bad that Steve was half-convinced Eddie had been a virgin before they started hooking up. Sadly, Eddie's misplaced confidence said otherwise. He held a certain awareness of the messy reality of sticking his dick into Steve's ass that suggested genuine experience, something that could not have been learned without hands-on practice.
Somehow Eddie Munson had fucked other men before Steve and come away with the impression that he was good at it.
Steve had absolutely no intention of ruining that rose-colored opinion. On the contrary, it was in his dick's vested interest to let Eddie go through life thinking he was god's gift to bottoms, because Steve was now regularly having the best sex of his life with the most incompetent top in all of Hawkins.
The man in question humped Steve's ass a little harder, his harsh pants of air quickening as any remaining sense of rhythm disappeared entirely. Damp breath spread against Steve's nape, where sweat beaded up, until it was smeared by Eddie's forehead as his hands clawed into Steve's hairy lower belly to pull them closer together. With what could only be described as staccato grinding, Eddie whimpered out, "Fuck, here it comes. Gonna give you what you need now. Gonna fill you up with—give you my—urgh—" and came inside Steve before he could think up another sad little synonym for his cum.
Steve couldn't contain a pleased moan as, in the throes of pumping out his load, Eddie tried to shove himself deeper by swiveling his pelvis side-to-side across the globes of Steve's ass, like he could saw his way inside. After long minutes of inconsistent pressure against an over-sensitive spot, the change in angle was enough to tip him over the edge too, his dick stiffening further and then emptying out hands-free as he reached back to grab Eddie's flat ass and pull him in even tighter. The clench of his asshole around Eddie's cock felt heavenly, each pulse ruthlessly jamming his touchy prostate against the hot flesh plugging him up.
"Fuck, fuck," Eddie said eloquently, taking Steve's clutching encouragement to heart and getting momentarily possessed by a ghost with an actual sense of rhythm, pulling back just enough to give Steve's hole a few good, hard slams. The crack of his hip bones on Steve's ass was wet and sloppy, and the force of it kicked out the last few spurts from his own dick, dribbling in weak spots of translucent white to the rumpled sheets. The messiness of it all—Eddie's effortful grunts muffled into Steve's disheveled hair, Eddie's dick pumping in and out with a sticky sound, the sweat and cum slicking them both—made the rush all the sweeter, lingering as a fizzy high in his blood even as Eddie slowed to one last, squelching thrust that let a thick, warm line of cum spill down the crease where Steve's ass met his thigh.
Sore and sated, Steve gave a pleased sigh and released his grip on Eddie's ass, the shoulder not squished into the mattress rotating forward to let his free arm plop onto the wet bedspread. Their bodies remained slotted in place, joined together by the clinging arms around his stomach and the slowly softening cock inside his hole.
"Mind if I say inside a little longer, sweetheart?"
Steve's amusement at Eddie's attempt to sound sultry with a rough, quavery voice and trembling fingers stroking cautiously at his scarred stomach melted into fondness as Eddie nosed in to kiss softly at Steve's sex-warmed skin. He wiggled his hips a tiny bit just to feel the ache of his ass around Eddie's long, limp dick, and to hear Eddie's soft groan as he attempted to keep himself seated inside.
"Depends," he said slyly. "You gonna get hard again?"
"Might do," Eddie said, voice muffled as his gentle pecks to Steve's nape turned sucking and slow. Goosebumps rippled out from each contact as Steve gave an aggrieved sigh. Eddie may have been an atrocious fuck, but the one thing he'd actually been gifted with was an obscene refractory period.
"You know I'll be too sensitive. 'M just gonna complain the whole time," Steve said, his smile hidden from Eddie's view.
"But that's a yes?"
Eddie's hopeful rasp made Steve huff a laugh disguised as another sigh. "Yeah, alright," he said easily, already resigned to the judgemental looks Robin was going to throw at him when he limped into work the next day.
"You're too good for me, Harrington."
"I sure am. Better get to it, before I change my mind."
Like an eager puppy, Eddie rolled them to settle his weight entirely on top and started moving his hips again, pulling out and pushing in with an unnecessary amount of swiveling that made the tacky cum stuffed inside Steve leak out in thick, wet gobs down to his balls. His dick tugged on Steve's rim, which was tightening up with sensitivity, and not even the generous amount of lube Eddie had applied could alleviate the discomfort of a thickening cock keeping it open. Steve hummed and relaxed into the pressure anyway, relishing the sting. In his ear, Eddie smacked his lips and made pinched little whimpers as he worked himself back to full hardness inside Steve's hole, never quite settling on a steady pace nor an even amount of depth.
In defiance of the damp friction from the bed crushed against his front, his spent dick refused to rejoin the party, but still the heat of arousal gathered deep in the pit of Steve's pelvis, ebbing and flowing with each stuttering pass against his prostate. His body moved limply in Eddie's grip, jolting with the harder thrusts as Eddie quickly found his second wind; he was content to let Eddie wear himself out, especially since the guy had a misplaced belief that being the top required him to do all the work.
"Geez. Easy, Munson," he said when a particularly hard drive down made an audible smack. The sound was more from Eddie's sweaty balls hitting Steve's taint, but Eddie didn't need to know that, and Steve made sure to put a performative whine into his voice.
"Aw, you can take it, sweetheart," Eddie said. He was clearly going for something commanding and condescending, but the breathlessness just made him sound twice as whiny as Steve. The frequency of harder thrusts increased, though, making them both start to bounce on the mattress, and Steve smiled down into the pillow as he got what he wanted. He made sure to intersperse the occasional complaint even as he subtly arched his back to take Eddie deeper.
"'S too much. Ah. Fuckin—hurts. Too big," he hissed. It was half-true; his ass was now too tight for Eddie's cock to slide smoothly, but he loved the feeling of Eddie having to force himself inside with each off-time thrust, his hard dick popping past Steve's clenching rim with a nasty squelch.
"Your greedy hole says otherwise. Look at it, sucking me in, just asking for another load. My dick's gonna give it what it needs, coat you inside with Daddy's jizz."
Steve's composure nearly broke at that, but he managed to grit out, "Fuck, Daddy. There's not enough room."
Predictably, Eddie loved that, and he peeled himself off Steve's back to growl, "I'll make it all fit, don't worry. Daddy's cum is gonna be so good for you." He gripped Steve's hips and really start to pound his hole. Steady rhythm was nonexistent, made worse by the stupid swivel Eddie was so fond of employing, but Eddie's sudden fervor relentlessly assaulted Steve's prostate. Steve did finally lose it a bit, hiding his laughter under heavy groans punched out of his chest; Daddy did nothing for either of them normally, but it inevitably drove Eddie wild when he was dumb with lust and buried in Steve's hole. It was best deployed when Steve had already come once, as the increased aggression didn't overwhelm him like it did when he was still fresh and his prostate too sensitive to direct pressure.
It didn't take much more than a few more strategic complaints and exaggerated moans from Steve before Eddie shuddered and dropped down over Steve's back to shake through another orgasm, getting Steve in a headlock and fucking in hard with half a dozen jerks that shoved them up the bed and rattled the headboard. He mumbled erratically in Steve's ear as he unloaded deep inside again, teeth clenched so tightly that Steve couldn't really make out specifics.
Steve kept up a stream of yeahs and fucks as he got closer to his own second go, but one last hard jerk against his ass left Eddie turning to dead weight, legs tangled around Steve's and arms going slack around Steve's neck and chest. The bed gave a loud squeak as the frantic movement stilled, leaving only the harsh sounds of their mismatched panting, which Steve could barely hear over the pounding of his own heartbeat.
Steve's patience didn't last, and before he'd fully caught his breath, he bucked his shoulders a bit against Eddie's weight and asked cattily, "Are you gonna let me finish too?"
"Right, right," Eddie mumbled blearily, and with a groan, he sat back up, the rat's nest of his hair clinging and tickling Steve's sweaty back as he pulled away. His hands fisted into the meat of Steve's ass and spread his cheeks wide, letting his second load of cum dribble down the seam of Steve's crusty balls as his cock slid out. Fingers prodded at the gaping muscle, and Steve let out a shuddery exhale as two dipped inside the sticky heat of his sore hole and fished around for his prostate. In the same way that Eddie's fucking technique was both complete ass and yet perfect for Steve, his hands were just as contradictory, missing Steve's prostate entirely and worrying at the wrong spot with single-minded focus. The constant stimulation was more than enough though; it only took half a minute of Eddie's cum-soaked fingers rubbing next to the swell of Steve's prostate before he stiffened up with one last heartfelt, "Fuuuck," and fell into a dry orgasm, hole pulsing wetly around the digits and limp dick dribbling a fresh puddle onto the sheets beneath him.
"Good?" Eddie asked when Steve rolled away from the mess he was lying in. His big, dark eyes were wet and eager, framed by wild, teased hair that Steve had long ago given up on offering to tame. His skin was flushed dark from exertion, scars and tattoos standing out stark, and every naked bit of him was slicked wetter than his spent cock. He looked every inch the awkward, overconfident nerd Steve knew him to be, happy and proud even before getting Steve's verdict.
A pleasant heat thrummed in Steve's blood and his ass ached. He granted Eddie a lazy grin, scratching at the flakes of cum drying into the hair trailing down his belly.
"Yeah, man. Best I ever had."