Chapter Text
Levi smells it the second he steps into the hallway where his room is situated. Something that wasn’t supposed to happen for another week. Something that they would have had suppressants for. Eren’s heat. He hurries down the hallway, letting himself into his quarters to lock the door behind him. Levi’s not surprised to see Eren on his bed, naked, skin flushed red, prostrating himself before his alpha.
“Eren.” He breathes into the too large space between him. His omega is beautiful like that, sprawled out in a nest of soft familiar blankets, sweat beading up on his forehead with his arching back. He’s whimpering restlessly as he paws and gropes at his leaking cock desperately. Fingers rub shamelessly at his swollen leaking entrance, red and fluttering from Eren’s own touch.
“Leviiiii.” He whines when he sees the captain over a bent knee of his spread legs. He reaches out a hand, beckoning, with jewels of blissed out tears hanging off his lashes delicately, “I need you.”
Swallowing nervously Levi closes the distance to the bed. He can see how dazed and breathless Eren is. His chest heaving with each inhale, his legs spread wantonly as slick coats his inner thighs and the sensitive flesh between his legs. His skin glistens with it, the viscous fluid shining in the flickering candlelight of the room. Levi’s breath catches with the sight as he kneels beside his omega on the bed.
It’s then that Eren slips two fingers into himself, pressing past the slick loosened rim of muscle. His body accepts the digits easily as he watches Levi lazily through half lidded eyes. Levi watches his cock twitch from the action, pre oozing out to pool into the dip of Eren’s belly button. He spreads his long fingers, opening up his body for Levi. The walls of his insides pulse against Eren’s fingers, more slick seeping out to dribble down the appendages and over his hand.
“K-knot. Please.” Eren begs, spreading his fingers out even more.
There’s a crackling of arousal that skitters across Levi’s skin at Eren’s wanton presentation. Need to give him what he’s asking for. The desire barely gets its feet before cold hard reality slams it away leaving him bereft. He’s an alpha, he can knot but he’s no fool. He knows omegas want to be filled, locked in their partner’s embrace. His knot is proportionate to the rest of his genitals. Small. It’d been a while since he last felt inadequate for Eren. The other always reassuring Levi otherwise with sloppy come soaked kisses and loving caresses. But now Eren is in heat. His mind is clouded, his judgement skewed.
Placing a hand on Eren’s thigh Levi rubs the soft skin, “Eren, I—I don’t think I can—“ he starts haltingly but is interrupted by a familiar hand over his own.
Semi-lucid, serious green eyes are looking at Levi, as if the last vestiges of Eren’s coherent mind are reaching up through the depths of his heat to grip at his insecurities.
“Give me. Knot, alpha. Please.”
Five words, five fingers of Eren’s grip and he’s ripping all of his doubts away. They slip through Levi’s own fingers like sand with a look. His omega. His omega is asking for his knot.
Undressing hastily, Levi crawls over top of Eren, pressing their lips and hips together heatedly. Eren’s body is hot, his tongue crawling past his lips hungrily. It heats Levi’s blood with a passion unlike anything he’d felt before this. Eren’s rutting frantically against his leg as he moans into his mouth, teeth nibbling along Levi’s plump bottom lip.
Eren’s cock leaves slippery smears of come across his thigh as he humps him mindlessly. His heat driving him deeper into a senseless fog of lust. His words turn indistinct and incoherent as Levi breaks their kiss, shifting to line himself up, his own cock filling out in response to Eren’s heat. His pheromones saturate the bed, seeping into Levi’s being, into the core of his alpha. He can only respond in kind, shimmying forward to rub the head of his cock around Eren’s leaking rim. It’s slides easily through the slick, dipping into his hole only briefly before teasing the twitching muscle again. They both groan in pleasure when Levi sinks in to the hilt. He doesn’t even think about how short the thrust is when Eren moans with such a sinfully seductive mewl. He only thinks about the scorching hot body impaled on him and the way it pulses and throbs around his cock.
Levi knows thrusting won’t do much, so he grinds his cock against Eren’s insides, rubbing the base of his erection around the inner rim of his tender hole. Eren is lost to the feeling, his body convulsing around Levi. He can tell his omega isn’t far off from coming, having been on the cusp for hours beforehand, waiting, needing his alpha.
“Come for me omega.” Levi rasps as he grips Eren’s cock, fisting the steadily leaking erection in his hand quickly. He tugs the foreskin down with each pass of his hand, tightening his fist at the tip to rub his thumb over the leaking slit. Rubbing his fingers in a v around the stretched smooth ring of Eren’s asshole, Levi gathers up the copiously leaking slick to rub it around the head, smearing it in with the oozing precome. This only strengthens the scent of Eren’s heat. The sweetly spicy aroma curling around Levi’s senses, drugging him with a frantic desire. His pace turns frenzied when he feels his orgasm burst through him, searingly hot as it sizzles through his being, sending sparks of fireworks throbbing across his vision.
Somewhere in the distance Eren shouts and jerks under Levi as he too comes. The soft, silky insides rippling around Levi’s still spasming cock, wringing out the last drops of his release. They’re both panting when Levi looks down to see himself still fully sheathed in Eren. He pulls back slightly, feeling the tug of his knot against the swollen rim, seeing a few dribbles of come slip out from between where they are joined.
Wet, delirious green eyes blink up at Levi adoringly, hazily. Nothing could have prepared him for what Eren was about to ask for. To demand.
“A-alpha please. Fuck me with your knot.”
Levi felt his cock throb in reaction followed by pure unadulterated want. Any other alpha wouldn’t be able to give their omega what they want in the same way without injuring them. Levi could. Sliding his hands down to grip Eren’s thighs Levi pushes them back, opening his body up to him. Slick still leaks out from the seam of their connection. This makes the first pull of Levi’s knot against his rim slippery enough to pop it right out. Come dribbles out and down the crease of Eren’s ass and Levi is already pressing back in, eased even more by his dripping spend. Eren writhes on the bed, whimpering torturously, begging without words. Levi doesn't think about how small his knot is. He doesn't think about how maybe Eren is only humouring him. Those are the last things on his mind when he has somebody so beautiful spread out below him, begging him.
Heat starts to burn low in Levi’s belly again as he thrusts his knot shallowly in and out of Eren’s fluttering hole. With each pass of his cock the absence of his knot makes the omega’s body clench around nothing, seeking his alpha until he’s filled again. Their rhythm is steady, the soft schlicking sounds of come and slick sliding together with their movements filling the room. Levi’s next orgasm is slow, a warm unfurling of pleasure that blooms from his core, to ripple through his being. Eren is with him every step of the way with his own orgasm. He jerks, and mewls through it, hands groping for Levi’s to twine their fingers together. Glistening green eyes framed by wet lashes, look at him dazedly.
“Leviiii.” He keens as he comes, spurts of come painting up his stomach and chest. Bringing their hands up, Levi presses them into the pile of blankets behind Eren’s head, leaning down to kiss him as he continues to grind his knot against his insides.
“My omega.” He growls. A surge of animalistic desire swells and he leans down, biting into Eren’s neck savagely. He inhales greedily, drinking in the scent of Eren's heat, reveling in it. Levi’s stomach slides in the mess when Eren arches against him with a cry, long legs coming up to wrap around his waist as his body milks him dry. Teeth dig into Eren’s neck, tongue lapping at the salty, sweaty skin hungrily until Eren’s body goes limp. Their breaths are humid between them as they come down from their orgasms, chests slotting together as they slip in the fluids of Eren’s release.
Few minutes pass like that and Levi feels the tension in his own body release, he gingerly slips out of Eren’s body, dropping down onto the bed beside him. Eren rolls lazily onto his side, hands coming up to cup Levi’s face lovingly.
“You’re so good to me my perfect alpha.” His words are slurred as he leans in for a kiss. A kiss that Levi can only reciprocate sweetly.
By now he’s forgotten what it was he’d been so self conscious about in the beginning. Eren’s ability to make him feel adored and loved triumphing everything.