I haven’t teased in ages. So lemme tease the upcoming Heronlightstar ABOverse Circle AU, where Shadowhunters have alpha/beta/omega dynamics and wings and thus, due to the flock-bond, the Lightwoods never left the Circle - The Morgenstern Heir. Valentine raised Sebastian and Clary as his heirs. And Sebastian and Alec are happily mated. Well. They’re also mated to Jace, but... to protect Jace from being whored out to the Circle by Valentine. Which, of course, is a problem because damn are Alec and Sebastian gone on Jace.
“Se—eb”, groaned Alec, hooking one leg around Sebastian's waist.
The alpha gladly sneaked a hand down to grasp Alec's thigh, just beneath the swell of his ass, squeezing. Alec bucked back into his mate's touch until Sebastian slipped his hand up to properly cup Alec's ass and squeeze. Blunt nails dug into Sebastian's upper arms as Alec pulled him into a hungry kiss. Sebastian's free hand found its way beneath Alec's shirt, tracing his six-pack all the way up until he caught a nipple to roll it teasingly until his pretty beta moaned and arched his back.
“So responsive today, Alexander”, growled Sebastian darkly.
“Like you're any less horny”, countered Alec, eyes dark.
“...You guys... can shower, if you want.”
They both turned slightly to look at Jace, flushed and wide-eyed as he stared at them awkwardly. He was only wearing sweatpants and the hoodie he had stolen on his very first day of living with Alec and Sebastian. It was nice and oversized and comfy, so Jace refused to give it back. He didn't own comfy, soft things, because Valentine had provided him with all his clothes and Valentine didn't want to risk for the soft things to corrupt Jace, to strengthen his inner omega. Now that he was an omega, he didn't give a damn anymore. Not to mention; Valentine wasn't the boss of him anymore. Well, he still was because he was the flock's Alpha, but now there were Alec and Sebastian between Jace and Valentine. And as Jace's mates, they were responsible for him.
“Like what you see, little one?”, teased Sebastian with a smirk, staring at Jace's tented pants.
Jace glared rather viciously before flopping down on the bed, facing away from them. Not that it helped the situation any that Sebastian and Alec now had Jace's ass facing them. Alec tightened his grip on Sebastian, tugging the alpha along into the bedroom. Only barely did Sebastian remember to put up a silencing rune before they shed their clothes and he crowded his beta in against the shower wall. Alec shuddered as he faced the wall, forearms resting against it. A light smack on his ass prompted him to spread his legs some to give his mate better access. Sebastian rewarded him with a gentle kiss against his mate-rune. With the warm water raining down on them from the showerhead, Sebastian carefully slipped a finger into his lover, gently easing his way into Alec. Kisses were trailed along Alec's shoulders as Sebastian prepared him thoroughly, a second and third finger joining in and spreading Alec, easing his muscles loose and pushing deeper and deeper until they reached Alec's prostate. The touch send sparks down Alec's back, tearing a needy moan from Alec.
“Ah, there's the spot”, purred Sebastian delighted, nudging the bundle of nerves again. “The spot that makes my beautiful beta make the prettiest sounds. I like how... soft they make you sound.”
“Just shut up and fuck me, Seb”, growled Alec irritated, cheeks red.
“Your wish...”, drawled Sebastian, biting Alec's neck teasingly. “Shall be my command.”
He grasped Alec's waist, fingers digging deep as he pushed into his lover, slowly spreading Alec on his dick. A hoarse moan was all Alec managed, fists balled as he waited for Sebastian to bottom out. Sebastian pressed his lips against the back of Alec's neck as he waited for his beta to adjust to the fullness. Part of his traitorous mind couldn't help but wonder...
“What might be the difference between fucking a beta and an omega?”, mused Sebastian thoughtfully. “Wetter, I believe. Though, not that I'm particularly interested in the general... More so a very particular honey and strawberry scented one. The way you made him pant earlier during training, I'm sure you could make him pant even more in bed...”
“Se—eb”, groaned Alec, pushing back against Sebastian. “Stop teasing.”
“Oh, I'm entirely serious”, growled Sebastian lowly as he started fucking into Alec with sharp jerks of his hips. “The way you had him pinned beneath you earlier, I'd love to see that without clothes. I'd love to hear you make him pant and breathless.”
Alec moaned and threw his head back at that, eyes closed. The idea of pinning Jace beneath him, fucking him... A strangled gasp tore from his throat as he started jerking himself off harshly to the thought. An image forced itself onto his mind. Fucking Jace beneath him while having Sebastian behind him, whispering filth as the alpha fucked into him. The thought alone made Alec come hard, painting the tiles white. He leaned forward bonelessly, resting his forehead against the tiles as Sebastian continued fucking him through his orgasm.
“And once you're through with him...”, drawled Sebastian wickedly. “I'd take my turn. We'd fuck the pretty little omega into the mattress until he's too blissed out to mouth off.”
“...I don't think even combined, we'd be able to achieve that”, snorted Alec amused.
“You're probably right, but I'd like to try anyway”, hummed Sebastian.
