Chapter Text
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“I have kind of a weird request for you,” Wise says with his hand down Lighter’s pants. “And it’s okay if you’re not into it. You’re probably going to think it’s pretty strange, and I wouldn’t ask this of just anybody, but…”
Lighter lets out a comfortable groan as he settles back on one elbow amidst the tumult of Wise’s formerly well-made bed. It never stays tidy for long once they get to rolling around in it. Maybe he should be a little more worried about whatever bizarre, kinky thing Wise is about to lay on him, but they shared a joint earlier and he’s feeling pretty damn relaxed. And horny. Wise knows how to get him in an agreeable mood.
“Come out with it then,” Lighter says, tugging that slender frame closer. “What kinda fetishes have you been hidin’ from me? Hmm, wait, lemme guess. You don’t really seem like a foot guy. Jockstraps, maybe? You a panty sniffer, Manager?”
Wise chokes on a laugh. It’s hard to fluster him, so Lighter takes a moment to savor the victory. “What? No, I mean… well, that wasn’t what I was gonna say, but uh… anyway, look, we can come back to that."
Lighter raises an eyebrow, peering down over his shades. “Wait, really?” He can’t help the devilish grin that slides across his face. “If you wanted my undies, all you had to do was ask.”
“That’s not what I’m talking about!” Wise insists, starting to resemble a pigeon with its feathers all ruffled. His pants have already made their way to the floor and he slings his bare leg over Lighter’s thighs and squeezes his cock through his briefs, no doubt trying to distract him. “It’s, uh. It’s about Belle.”
Lighter tilts his head. Suddenly, he has an idea of where this is going. “Oh?” He’s never made it a habit of hooking up with his lovers’ siblings or best friends, considering it was pretty poor manners, but there’s a first time for everything.
“Yeah,” Wise says, licking his lips. Despite being in his favorite position— astride Lighter— he suddenly seems hesitant. “It’s just that, she’s uh… well, she’s kind of into you, if you hadn’t noticed.”
Lighter had certainly noticed, especially considering how much time he’s been spending in the back rooms at Random Play these last few months. It’s not like the girl was subtle, bless her. He’d thought at times that if Belle had been as forward as her older brother and gotten the jump on things, there was a good chance he’d have gone for it, despite usually skewing towards men. Always a sucker for the ones with the pretty eyes.
“Yeah… I mighta gotten that impression,” he acknowledges, trying to make sense of the anticipatory look on Wise’s face. “Why, are you thinkin’ of loaning me out? Thought it was the older brother’s job to run off any guys who might come sniffing around his sister.”
“I don’t think Belle would put up with that from me,” Wise demurs, biting his lip as he looks down between them before seeming to steel himself for something. “But actually, yeah, I wanted to know if you’d be interested in… well. Both of us. Together.”
Lighter blinks up at him as Wise’s hand stills on his dick. There’s no way he heard that right. No way.
“Whoa, you got me there for a moment,” he huffs, laying back as his heart resumes beating. “I thought for a second you meant all together. But, what, so you mean she wants to hook up with me? And you’d be okay with that?”
“No,” Wise corrects. “Not just you and her separately, although that would be fine, too.” He takes an audible breath. “I do mean all three of us. You, me, and Belle. All together." He squeezes Lighter’s cock for emphasis. “In bed.”
He’s doing a good job of hiding his nerves, for the most part. Meanwhile, Lighter’s just trying to catch up and process what he just heard. He knew Wise and Belle were thicker than thieves, but this…?
“You mean…” It clicks, suddenly, just like that. “Whoa, back up. This is a thing you’ve done before? The two of you and…?” He’s gaping, Lighter knows he is— but to be fair, it’s not every day that the guy you’ve been fucking casually for months and are thinking about making things official with turns around and drops a bomb like that.
“Not with other people,” Wise shakes his head just enough to ruffle his hair, sitting back and looking askance. “Just me and Belle. We, uh. We’ve always been a lot closer than most siblings, you could say." Wise rarely flushes, but there's a hot glow creeping across his cheeks as Lighter watches. "Aside from that, our tastes run pretty different. To be honest, there’s never been anyone else that we both liked enough to even consider asking.”
He meets Lighter’s eyes again, and now the guilt is plain to see.
“I really didn’t want to hide it from you, but it’s not exactly the kind of thing you can share with a casual hookup. And I know you and I haven’t been exclusive, but at this point, it feels wrong to continue without telling you.”
Lighter's staring, he knows he is, but he's still turning this new revelation over in his head.
Wise chews his lip for a moment, gaze darting over Lighter’s face as if trying to read his reaction. “I understand if you don’t want to get involved in that way, or even if you don’t want to see me anymore. I don’t want this to end, but I know it’s a lot to swallow... I just figured I’d extend the invitation so you would at least know what was on offer, if you weren’t totally put off by everything.”
Lighter takes a slow breath. Is it just an olive branch to lessen the blow? That doesn’t seem like Wise’s style, but then again, he didn’t entirely expect this, either. Maybe he should have?
“Huh.” He’s still turning it over in his head, truth be told. He probably ought to feel disgusted or dismayed, but he’s mostly just stunned. Intrigued. Horribly curious. “Mind if I ask how long the two of you’ve been, uh. Keeping it in the family?”
Wise raises a brow, as if not sure what to make of Lighter’s weird attempt at humor. “It’s been… a while. Not long after we were left on our own, to tell you the truth.” He shrugs a shoulder, seeming slightly abashed, but there’s something unapologetic, even protective in his voice when he adds, “I know it probably seems strange, but to us, it always made sense. We only had each other for so long, it became just one more thing we couldn’t tell anyone about.”
“Well, I’ll be damned…” Lighter trails off, realizing he’s been playing nervously with the hem of Wise’s boxer briefs. Shit. Was he really about to lose out on locking down Wise because the guy had a thing for his sister? Wouldn’t that be just his fucking luck. “I mean, it’s kind of a lot to take in, but I’m not running screaming for the hills, if that’s what you were worried about.”
“I mean, you could if you wanted to,” Wise says, carefully. “I don’t think anyone would blame you. I wouldn’t.”
Lighter studies his face for a long moment— the straight, grey brows. Those expressive eyes that always glint like mica in the sun. That damned pretty mouth. Not so different from his sister’s.
Something strange stirs in Lighter’s stomach. He’s not sure if it’s arousal or confusion or something else entirely, but it has him swallowing hard.
“Nah,” he says, considering his words. “I’m pretty comfy right here. I don’t know about all that, yet. But right here? Yeah, I’m good.”
A streak of hope crosses Wise’s face. “You’re not… freaked out? Disgusted? Upset with me for keeping it from you until now?”
“I mean, seems like you had your reasons,” Lighter says, feeling admittedly a little insane over the fact he isn’t more upset by this. Maybe it just hasn’t sunk in yet. “And honestly, I’ve seen the way you two look at each other. I just thought… well, it’s not the conclusion I’d normally jump to.”
Wise gives a faint laugh, pushing his hair back from his face. Is his hand shaky?
“Am I the first person you’ve told?” Lighter asks, suddenly feeling kind of protective, himself. Wise always brings that streak out in him. He squeezes the soft thigh under his hand. “You okay?”
Wise stutters out another faint laugh, the corners of his mouth trembling.. Aw fuck, he looks so nervous now, like maybe it’s just sunk in for him too. “I, uh. Yeah, you’re the only one I’ve ever talked to about it. I never really wanted anyone else to know.”
Lighter’s unflappable little Proxy is going pink and shaky right in front of him, making his heart squeeze in his chest. Wise might’ve tried to bring it up like it was just a sex thing, but knowing that he’s never shared this with anyone else… god, Lighter’s so gone on him.
He lets out a low whistle. “Aw, shit. C’mere, angel.” He doesn’t wait for an answer, just reaches up with both hands and drags Wise down into a bear hug.
Wise is rigid in his arms for a moment, but he relents when Lighter squeezes him tighter and presses a kiss into his neck, another nervy laugh vibrating his throat under Lighter’s lips. “Are you really okay with this? You’re not completely freaked out?”
“Well, I didn’t know I had such stiff competition,” Lighter muses, trailing his mouth up Wise’s neck to his jaw. “But I guess that means I just gotta work harder.”
“It’s not like that,” Wise protests even as he succumbs to the touches, slowly melting down against Lighter’s chest. “And I meant it, Belle really likes you too. Enough to suggest the whole threeway thing, obviously, but it isn’t… she doesn’t want to come between us, if that’s what you’re worried about. She wouldn’t want you to see her as an obstacle. Actually, I know that’s the last thing she would ever want.”
Lighter feels a nervous knot rise in his throat, and he knows suddenly he’s about to put it all out there. “So, even if maybe I wanted to make things official… that wouldn’t be a problem?”
Wise draws back, blinking down at him with a kiss-flushed face. “You do? With us?"
“Funny timing, I know,” Lighter croaks, looking up at him; suddenly, he’s the nervous one. “Only seems fair if we’re swapping secrets. I’d already been thinking about it. But that’s only if you want to. We can just… keep doing whatever. I’m plenty okay with that too.”
“No, I… I want to.” Wise’s gaze on him has already shifted from surprised to abashed but warm, so unbearably warm. “I’ve been thinking the same thing. That’s part of why I told you about me and Belle. Because it didn’t seem fair to ask for more if you didn’t know the whole story.”
Lighter licks his dry lips, suddenly itching for a smoke in a way he hasn’t in months, if not years. “Well. Now I do.” He lets his hands roam up Wise’s hips, cradling his slender, boxy waist. Fuck, he loves that waist. “Might take me a while to completely wrap my head around it, but if it’s not an either-or situation, you’d honestly have to do a lot worse to run me off.”
Wise nods slowly as he listens, one hand braced on the bed just beneath the edge of the pillow Lighter’s laying on. His fingers flex against the bedding and his stomach flexes against Lighter’s stroking thumbs. “Okay,” he says, sounding relieved. “Okay. Wow. I don’t know what I expected but I don’t think this was it.”
“Gotta keep you on your toes the way you keep me on mine, Manager.” Lighter can’t help but give him a teasing grin. “So you really wanna be my cute little boyfriend, huh?”
Wise’s eyes immediately light up as he grabs at Lighter’s hands and drag them above his head, pushing them down amongst the pillows until they knock against the headboard.
“So what if I do?”
“And you want me to fuck you and your sister?” Lighter’s starting to see the appeal here. Or rather, now that the shock has settled, he’s starting to feel it in a far more tangible way. Shit, he kinda wants to see the two of them together, if he’s being honest. Something about it is making his blood run extra hot.
“So what if I do?” Wise repeats, even more intensely. He grinds his ass down against Lighter’s cock through his open jeans. “You’d really like that side of her. She’s cute and bossy and she loves giving head.”
Lighter groans, eyes shuttering for a moment as he savors the friction between them and lets himself think about it. About the two of them between his knees, those pretty mouths on him at the same time.
“Shit,” he hisses, and he knows Wise can feel how eagerly his cock flexes beneath him. “You really gonna dirty talk me about your sister while I fuck you?”
“I think you want me to,” Wise accuses, all sneaky grins as he undulates against Lighter, teasing his tight little ass along Lighter’s straining length. “She gets so wet, too. You could drown in it.”
Lighter lets out a growl of frustration and goes to rip Wise’s underwear down over his hips. Wise lets him, an amused glint in his eye. “Oh? Am I working you up too much?”
“You know exactly what you’re doing,” Lighter huffs, satisfied only once he’s yanked the offending fabric as far down as it will go while Wise is straddling him. Good enough. He reaches for the pump bottle of lube on Wise’s nightstand. “You look pretty worked up yourself.”
Wise has already taken himself in hand and makes no attempt to hide that he’s rock solid and already leaking. Fuck, he’s so gorgeous— how on earth is he real?
“I’ve been thinking about watching you fold her in half like you do to me,” he admits, his steady voice gone breathy as he strokes himself. “Your hands would be so big on her body.”
Lighter groans, slicking his fingers and going right for Wise’s hole, sensing they’re both a little too frantic to draw out the foreplay. “She is pretty tiny… not much bigger than Lucy.”
“You’ve fucked Lucy?” Wise is suddenly very interested. “Go on…”
Lighter feels his face growing warm. He hadn’t outright meant to imply that, but Wise is too sharp. “Uh, maybe another time.” He clears his throat, trying to distract Wise by sinking a fingertip into him. “Don’t wanna kiss n’ tell about another member of the gang. Especially the one with the whip.”
Wise raises his brows, clearly intrigued even as a flicker of pleasure passes over his face when Lighter pushes deeper. “Ah… I bet you loved that whip.”
“Shut it,” Lighter orders, without much heat. “We’re talking about your sister. As weird as that is to say while I’m gettin’ you ready.”
Wise snickers under his breath, then lets out an eager noise as Lighter starts to work him open in earnest. “Is it too weird then if I tell you that we’ve talked about you when we do this?”
Lighter can’t deny how his pulse spikes at that. “Oh?” He tries to play it off as casual but there’s no chance of that. “Alright, spill.”
“I told Belle how you’re bigger than me… how you could easily hold her up while you fuck her. She really wants us to double penetrate her. We’ve done it with toys but there’s never been anyone else to try it out with.” Wise’s voice, already a murmur, lowers even more. “She said you could choose which hole you wanted first.”
Lighter groans at the image, biting his lip as he pulls out to press a second finger into Wise’s warm, welcoming body. “Fuck. Here, I thought one of you was bad enough.”
“She’s definitely worse than me,” Wise says cheerfully, a gratifying gasp escaping his lips as he rocks back against Lighter’s hand. His long lashes flutter. “So demanding. It’s a good thing you like eating me out so much, because she’s definitely gonna insist on riding your face if we go through with this.”
“Can’t think of a better way to go out.” Lighter leans in, nosing against Wise’s throat. “You gonna ride me, too? Now you’ve got me thinking about all the situations we could get into.”
Wise whines; Lighter timed that comment with the first stroke across his prostate. “Y-yeah. I usually top with her, but sometimes— sometimes we switch, and I know she wants to watch you fuck me.”
Shit. He might incinerate from the thought alone, never mind if they actually do this. Lighter can admit he enjoys an audience, given the right context, and the thought of another bossy little thing calling the shots is making him go a bit crazy.
“I think… I think I might actually be too alright with this,” he confesses, fucking Wise on his fingers with extra vigor. “I kind of wanna see the two of you together, too. Both ways. Bet you look real cute when she’s pounding you, huh?”
Imagining Belle all strapped up, a thick toy hanging between her legs, ready to rail her needy older brother into oblivion… damnit, he’s already drooling.
“Fuck me already,” Wise insists, sounding halfway wrecked. “I’m ready, I’m ready. I need it so bad.”
Lighter doesn’t have to be told twice. It’s the work of mere moments to pull his fingers out, lube his achingly hard cock instead, then position Wise properly over his groin and push right in.
He barely gives Wise a moment to adjust, knowing how much he likes to be fucked right through the initial stage. Sure enough, his sweet little Proxy’s back arches and he lets out a heady moan as Lighter bottoms out, then does it again in rapid succession, bouncing him on his hips.
“Fuuuuck,” Wise whines, his forehead dropping to Lighter’s shoulder. “Yeah— yeah, just like that.”
“She use a nice big toy on you?” Lighter can’t help but ask, his thoughts running wild. “You let your little sister pound this pretty hole like I do?”
“Y-yes,” Wise’s voice breaks on a moan, muffled by Lighter’s shirt. “Nnngh. She’s— meaner.”
Lighter can’t help but laugh, delighted. “Maybe the two of us should double-team you then, hm? I can take your mouth while she takes your ass. Or maybe…” He punctuates his words with a slow grind that has Wise whimpering. “Maybe we can share you just like this, huh? What do you think, baby? Both of us in your tight little ass?”
Wise groans full throated as Lighter resumes his earlier pace, clinging to him and panting with each thrust. “Oh…” It’s so gratifying to hear how quickly he’s falling apart. “Yeah. Oh god. I want it.”
It’s rare he gets to see Wise like this— normally, his little Proxy runs the show from the bottom and Lighter is more than happy to jump to his command. There’s something satisfying in the way Wise is letting this side out. Makes that protective streak raise its head even higher.
“We’d take such good care of you,” Lighter murmurs, encouraged by Wise’s enthusiastic moans. “The boss deserves a little treat sometimes, doesn’t he?”
“Don’t think I’d survive— you two ganging up on me—“ Wise pants, meeting Lighter’s thrusts and making that satisfying, skin-smacking sound ring out in the stillness of his room. He’s gotten stronger in recent months, maybe in part from all the excessive fucking, but it’s still cute how easily he’s winded compared to Lighter. “Wanna try it though.”
“Tell me what else you want,” Lighter urges, in part so he can focus on thrusting, in part because he really does want to hear more of what the two devious siblings have been talking about behind his back. “What else has Belle said?”
“We— we talked about sharing your cum,” Wise confesses, fisting his cock as Lighter fucks him steady and deep. “Kissing and swapping it after we go down on you… agh! Or me licking it out of her after you cum inside her. She wants to do the same to me, too. Fuck… She told me that she— she listens to us. The walls here are so thin, she's probably listening right now. Can’t— can’t really hear all the words unless it's excessive, but the noises. I know she hears all of those.”
“Holy…” Lighter trails off, trying to control his reactions. It’s growing increasingly difficult. “I thought she got those headphones to block it out? Damn, you two are filthy.”
“We’ve had a lot of practice,” Wise agrees, whining oh so prettily when Lighter adjusts the angle to hit his spot more directly, now that he’s all soft and warmed up. “Oh, fuck. Y-yeah, Lighter. There… right there…”
“So you want me to cum inside Belle, huh?” Lighter picks up the thread before it can get lost. “Your brand new boyfriend fucking your cute little sister and leaving the mess for you… that’s pretty nasty.”
Wise moans almost like he’s cumming from the thought alone and it makes Lighter’s pulse race even wilder. He can picture it all too easily; Belle laid out underneath him, urging him to go harder as he pumps away between those pretty thighs she’s always got on display. Now that he knows their secret, he has no idea how Wise manages to keep it together. If Belle was his girl, he wouldn’t be able to keep his hands off her.
“Bet she’s got a gorgeous body just like her brother,” Lighter goes on, warming to his new role. “You’re gonna have to show me all her weak spots. Gotta show you both a good time, now, don’t I? Make her feel as good as I make you feel.”
Wise’s noises are getting so goddamned erotic he’s having a hard time keeping it together— this is really doing it for him, huh? It’s sure doing things for Lighter. It should feel insane, and it does, but Lighter’s been willing to follow Wise and Belle into just about anything from nearly the moment he met them, so is it any wonder he’s diving headfirst into this, too?
“She loves— hnngh. Having her nipples played with. So sensitive.”
“Oh? Just like you, huh?”
“Y-yeah.” Wise squirms in Lighter’s grip, as if trying to get away from the sensations but unwilling to move. “Makes her so wet. Her pussy is so soft and perfect, she tastes so good… S-shit. Oh god, I’ve thought about watching you fuck her so many times.”
“Yeah?” Lighter doesn’t think he’s gonna last too much longer if they keep this up. “Fuck, baby. If you two want it that bad, I’ll do it. I’ll give it to her however she wants. Watch you lick my cum outta her when I’m done, then I’ll fill you up too.”
“Oh— shit, I’m close,” Wise mewls, such a sweet little sound so different from his usual confident demeanor. He looks so good like this, just barely keeping it together atop Lighter, frantically jacking himself with one hand and pushing Lighter’s shirt up to reveal his stomach and chest with the other. “So close. Lighter, please.”
Ah, damnit. Lighter isn’t prepared to hear him beg like that, and it’s all he can do to keep himself steady as he pounds Wise right where he knows his boy wants it.
“Imagine she’s in here sitting on the bed, looking at us right now,” he huffs out, trying to push Wise over the edge before he embarrasses himself by cumming first. “Gonna fuck you just like this while she watches.”
It works like a charm. Wise tenses up, then spills all over Lighter’s abs with a stuttering series of moans, ropes of warm cum splashing across bare skin. It’s all the permission Lighter needs to let go, chasing his own end as he savors the fucked-out, open mouthed sounds Wise makes as he rides it out.
“Fuck… fuck, baby,” he grits out, knowing he’s close. Sees a flash of sharing Belle between them, groping her soft tits from behind and plunging into her ass while Wise fucks her from the front, feeling his new boyfriend’s cock through his sister’s body… hearing the noises the two of them make, watching them kiss…
Lighter cums with a gasp, feeling like he can’t get enough air as it hits him like a head-on collision, emptying himself so intensely he’s left lightheaded and swooning. Wise is still shuddering, clenching around him, and it takes a long minute for them both to catch their breath. Even longer for Lighter to realize that they never properly got undressed.
“Wow,” he finally says, trying to hold Wise steady without letting him fall directly into his own mess. “Goddamn.”
“Mm,” Wise agrees, and suddenly his face is right there, his nose nudging against Lighter’s and pushing his shades back up a little higher from where they’d slipped down the bridge. “Wow.”
“Don’t land in the cum,” Lighter says, vaguely. “Still got your shirt on.”
Wise grunts in acknowledgment, then hoists himself up enough to whip off his long-sleeve. He promptly collapses against Lighter’s sullied torso, uncaring about the mess. “You’re amazing,” he says, soft and genuine enough that it probably isn’t just the sex talking.
Lighter sighs fondly and presses a kiss to the top of his tousled grey locks, then accepts a kiss in return from Wise when he tilts his head up. This feels… surprisingly normal. Good. Like they’ve just been having any old regular conversation, like they just had great sex like usual and it’s typical for them to get off talking about fucking Wise’s sister.
Well, maybe not entirely typical, but.
“You really want me involved in your whole thing, huh?” Lighter eventually drawls after their mouths part for the umpteenth time. It’s really hard to stop kissing Wise at the best of times. “I mean, only sometimes, I’m guessing? If I’m the interloper here, I don’t expect you to just stop on my account.”
Wise would no doubt choose Belle over him anyway, if he tried to draw a line in the sand. But weirdly enough, he doesn’t really feel the need to. It’s been working so far, hasn’t it? Maybe he’s being too naive, but Lighter knows he sure never had any complaints before.
“You're not an interloper. We always knew we'd probably want to be with other people some day. But yeah, I do want you involved as much as you'd like to be.” Wise says, hugging him closer. “And for what it’s worth, I wouldn’t expect you to be monogamous if I’m not. No double standards. I don’t know how Belle feels about things beyond sex, but I wouldn’t be opposed if the two of you did things or even eventually dated without me there all the time.” He pauses, and Lighter can picture him biting the inside of his lip as he thinks over his next words.
“I just… really like you. A lot. I want to make this work. So if there’s something that needs to change, we can talk about it.”
Lighter’s feelings are churning into a real mess in his chest. “I like you a lot, too…” he admits, and damn, it feels good to say it out loud so bluntly. “And I, uh. To be honest, I don’t think I’m too worried about the specifics. Kinda seems like whatever’s meant to work out is gonna work itself out. I’m not really interested in anybody else outside of this, so… there’s that.”
Wise looks up at him, a wry look in his smiling eyes. “Oh? Not even Miss Lucy and her whip?”
Lighter rolls his eyes and shoves Wise’s face back down. “I’m gonna crush you with my sweaty armpit if you bring that up again.”
“Oh no,” Wise deadpans, face smushed against Lighter’s chest. “Don’t threaten me with a good time.”
“I knew you were a damn little pervert.”
xx