Insatiable Pt. 01 – BDSM – Free Sex Story

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“Insatiable” is the second book in this series about Killian, Jack, and Logan, however, it’s not required to read the first book to jump into the story here. For those of you joining the story for the first time, I hope you enjoy and please check out the first book, “Inseparable,” if you want more from these characters.

For those who came here via “Inseparable”: First, thank you for continuing the journey! Fair warning, this gets far more deviant than the previous book, very quickly. The direction I’ve chosen to go is not for everyone which is the very reason I split it into two books released under different genres. For timeline reference, the story picks up a couple weeks after “Inseparable” ended.

Content warning: This story features a straight MMF trio (Jack, his girlfriend Killian, and his stepbrother Logan), contains rough/forceful Sex, and ultimately BDSM will play a large part in it. Readers who find that subject matter distasteful are discouraged from reading further.

A note on BDSM: I believe that BDSM must be consensual. Period. For that reason, Parts 1 & 2 may be more appropriately described as rough/forceful Sex as no rules have been explicitly laid out. These characters are young (all 18+); understanding their urges and exploring BDSM concepts is a theme that continues throughout the story.

Enjoy. alicynchains

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PART 1 — Outsourcing

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LOGAN

Killian was almost perfect.

Almost.

Physically, she was flawless in his eyes. She was petite, with just enough curves in all the right places, and runner fit. She had big blue eyes and wavy ash blonde hair that hug to her waist which Logan thought made her look like a princess. Pretty as could be. She came off as innocent which only made Logan more interested in doing terrible things to her.

He’d had a mild crush on her for years; he’d kept that to himself for several reasons. But when they finally kissed for the first time, he knew with certainty that there was something she wanted–craved–that no boy had ever provided. She needed a man. A very specific type of man. Logan was sure he could satisfy her in ways no one had before.

But there were two reasons she and Logan would never work out.

Killian wasn’t–Logan would never say she was stupid, but she wasn’t a genius. She wasn’t an idiot by any means either. She just wasn’t academically driven. If he was her age–still 18–he wouldn’t have cared. He’d prioritized partying and popularity over school all through high school, but four years later and he’d found himself with very different interests. Long-term, he wanted someone he’d be able to talk to about things he was working on. Not that they needed to share the same major. There weren’t a huge number of girls in Computer Science and, to make a rather shallow generalization, even less that were Hot. Talking to Killian certainly wasn’t boring, but it wasn’t exactly mentally stimulating either.

The other reason Killian wasn’t quiet perfect was because she was his stepbrother, Jack’s, girlfriend.

And she’d used Logan to make him jealous.

Deep down, Logan had always known Killian and Jack would end up together. But when Logan had come home from college to find she and Jack were barely speaking to each other, he couldn’t help making a move. It hadn’t taken much. He’d simply made it clear she had his attention and the rest fell into place. Until, that is, she had mistakenly sent him a text meant for Jack talking about sucking his brother AKA Logan’s dick and the truth came out.

He thought Killian might have had some genuine feelings for him. There was certainly no faking the physical attraction. She’d been all over him. But somehow, Logan just wasn’t that surprised to find out something was going on between her and Jack. The fact that they weren’t speaking to each other should have been his first clue.

He didn’t know all the details. He didn’t really care. He’d been irritated, mostly because he’d given Killian the opportunity to tell him and she’d lied, but he wasn’t really mad. Killian was perfect for Jack. They’d always been inseparable. Logan backed out, no questions asked.

Now she and Jack were together and happy. Evidently, it wasn’t public news, but Logan shared a wall with his brother and heard more than he’d liked to have heard about the nature of their relationship. Jack fucked her at every opportunity, from the sound of it. Not that he would have done any different.

Needless to say, when Logan received a text from Jack asking if he wanted to fuck Killian, he was more than a little shocked.

J: Wanna fuck Killian?

He had to read it several times until he believed it really said what it said.

“What the actual fuck!” Logan shouted, knowing Jack would be able to hear him through the wall.

Did Jack expect him to be excited? Pleased by the offer? He wasn’t. For some reason, he actually found himself livid. How dare he offer her up like that?

“What the fuck, Jack?” Logan repeated, walking into Jack’s room and throwing his phone on Jack’s bed. “Is this a fucking joke?”

The screen still shone brightly with Jack’s text.

“No, it’s an offer,” shrugged Jack.

“What the fuck,” said Logan again, confused. “Why the hell would I want to fuck your girlfriend?”

“Cause you wanted to fuck her before she was my girlfriend? And because she’s crazy Hot.”

“Is this some game to you?” asked Logan. “I actually liked her, Jack. And I could tell she had feelings for you and I didn’t want to be part of your mess so I dropped it immediately. I know how close you two are so didn’t give either of you a hard time about it because you’re my fucking brother and I Love you. But come on, man. If you’re just offering her up to fuck like it’s no big deal, I really regret not fighting for her. I didn’t think you were gonna be a piece of shit. She deserves better.”

“Huh?” Jack looked confused. Actually confused, which only made Logan more upset. “I’m not offering her up to fuck–I mean, I am. But not like you think. It is a big deal.”

Logan raised his eyebrows. “Explain.”

“First of all, I am sorry about how this all went down,” Jack apologized. “It was sudden and neither of us expected it and she wasn’t trying to fuck you over.”

“Okay. Thanks.” Logan crossed his arms. “So, this is a peace offering lay?”

“No,” snorted Jack. “I want you to fuck her in the Ass because I’m too big.”

“Wow.” Logan stared at him blankly. Was Jack really offering up his girlfriend and telling Logan he had a small dick in the same breath? “Fuck off.”

“What? No! I didn’t mean–I’m not saying–I’m sure your dick is plenty big, it’s just that mine is–fuck. This is not coming out well.”

“No,” said Logan coolly, “it’s really not.”

“Look, Killie’s never taken it in the Ass before and I seriously think I’d destroy her. I’m not trying to say you have a small dick, but I’ve lived with you my whole life, Logan. I know you’re a bit smaller than me. It just makes sense.”

“Makes sense?” scoffed Logan. “You say it like it’s totally normal to ask your brother to fuck your girlfriend in the Ass for the first time. I think you’re gonna be really pissed, especially if I am her first.”

“I dunno,” said Jack thoughtfully. “Actually, I think it sounds kind of fair. I popped her cherry and if it hadn’t been me, honestly, you probably would have so you could still have her Ass.”

“Wait. She was a virgin?” asked Logan, surprised. “So did you fuck her before or after she was with me.”

“After. Like, the last week of school.”

“Huh,” mused Logan. “No wonder she avoided the topic and kept sucking my dick instead.”

“Yeah. Also, she isn’t something I’m just offering around to people. I’m asked you because she’s already messed around with you and you’re a good-looking guy and you’re family and you’d honestly be a better first for her Ass than me.”

“That’s gotta be one of the fucking weirdest sentences I have ever heard,” said Logan, thinking about it. “So, what, I just get her for the night? How do you see this going?”

“Fuck no. I’m going to be there too.”

“Hang on, hang on,” Logan laughed. “You want to be in the room watching me–your stepbrother–fuck Killian–your girlfriend–in the Ass for the first time?”

“Yeah, that sounds about right.” Jack nodded.

“How does Killian feel about this plan?”

“No idea. I asked you first.”

“Maybe.”

“For what it’s worth, I know she thinks you’re Hot.”

“I’m well aware Killian finds me attractive.”

“Honestly, I think she would have fucked you if I hadn’t said otherwise.”

Logan looked at Jack coolly. “You told her not the fuck me?”

“Asked,” Jack corrected hastily.

“Right.”

“Come on, man. You know it wouldn’t have worked out. Her first time…about to go off to college and attached to someone who’s about to leave it. You wanted her for a summer fling.”

“You don’t know what I wanted because you never bothered to ask.” Jack wasn’t entirely wrong and Logan knew it. He’d wanted more than just a summer fling, but he knew she wasn’t his perfect girl. Almost though. Almost.

“I’m sorry,” said Jack guiltily. It was the first time they’d ever really had a falling out. The occasional scuffle, sure. But never not speaking to each other.

Logan shrugged. “It is what it is.”

“Will you think about it at least?” asked Jack.

“Sure.”

Logan was glad Jack apologized. He hadn’t even been that mad, but he’d been irritated with both of them for being so immature about it. Then Jack had been too busy with Killian to bother talking to Logan.

But an apology and an offer to fuck his girlfriend was the last thing Logan had expected from him.

JACK

J: I’m ready for you to be home already babe

K: I ready to be with you finally too

It had been a full week since he had seen Killian and it was driving him insane. She’d been in Hawaii with her parents, and Jack had spent a fair amount of time jerking off at home to pictures of Killian in a bikini on the beach.

He’d never really missed a girl before, he didn’t think, until he was without Killian. It made his stomach tingle to think about her. It wasn’t about Sex even. Well, it was a bit, but it was so much more. He missed all of her.

He was smitten.

He was in Love.

He was feeling many things he’d never felt before.

And he had asked his stepbrother to fuck Killian just a few hours earlier.

What the fuck was he thinking?

He’d been thinking about it for a while now–not Logan fucking Killian–but Killian only ever having fucked him. It was his favorite and least favorite thing about her. Jack absolutely loved being the first and only man to be with Killian. But some annoying part of his subconscious kept telling him she’d be bitter eventually, about him fucking everything that walked and her not having any other experiences.

The other thing that had been on his mind–again, not Logan fucking her–was how the hell Jack was going to fuck her Ass. They’d done some Anal play before, and he thought she’d be into it if it was done properly. Not that Jack didn’t think he wasn’t good at Anal, but anatomically he wasn’t a good fit for her first time. She’d need to work up to it.

Those two thoughts had collided in his brain, and he saw his stepbrother walk by his room, and that’s when he realized the answer might be Logan fucking her.

But how would he get her to realize it too?

He was sure Killian would protest if asked if she wanted to outright. She would probably also say she wasn’t attracted to Logan because she was a good girlfriend, but he didn’t think that was entirely true. He’d seen the very genuine way she had clutched him to her as they kissed. Logan was a good-looking guy, no doubt. Average height, cut build, short blond hair, penetrating blue eyes, and quite a lot of tattoos. And he was a fucking genius on top of all that. Killian had definitely been into it.

He wondered what kind of guys Killian was into. He wondered how they’d been best friends for nearly 15 years and he didn’t know that already.

She was obviously into Jack. A lot. But Jack and Logan couldn’t have looked more different. Jack was big–tall, broad, and fairly muscular for his age–and his hair and eyes were the same color of chocolate brown.

The more he thought about it, the more he realized her few boyfriends had all been completely different too. Most recently was Adam, who had dark ginger features and was fairly average looking but really good at soccer. Killian didn’t care about sports, so he wasn’t sure if that was a factor or not. She’d gone to homecoming junior year with Finn–he was tall, wiry, and blond, and had been in Killian’s drama class that year. The guy who lasted the longest was her first real boyfriend when she was 15, Cody, though long in Killian’s dating life was only about four months. He had soft brown hair and blue eyes and played guitar. Or bass. Or something. He thought Killian liked Cody the most but he didn’t know what it was based on.

J: What’s your type Kil?

K: Huh

J: What kind of guys are you attracted to?

K: You, obviously

K: Weird question

J: Yeah but before me

J: I just realized I didn’t know

J: Everyone you dated were like polar opposites

K: Maybe because I didn’t know my type

J: Have you figured it out yet?

K: You. So, tall dark and handsome?

J: Didn’t seem to mind the bad boy look either

Shit. He realized it was the wrong thing to say after he sent it. He knew it had come off as jealous.

Killian didn’t answer right away.

Shit.

K: I’m attracted to lots of different traits

K: But you’re what I want the most

J: Likewise babe

J: Didn’t doubt you for a min

J: Just crossed my mind and I was curious

He hoped she believed him. He hoped she didn’t think he was acting jealous. That was the last thing he wanted to come across as. But he couldn’t exactly say, just thinking about it cause I was hoping you’re still attracted to my brother enough to be down to let him fuck your Ass. He thought ending the conversation was probably the safest option. He could feel it out more in person when she was home.

K: So has the rumor spread yet?

Killian was referring to she and Jack having moved from best friends to boyfriend and girlfriend.

J: Not really a rumor if it’s true is it

K: You know what I mean

Jack did. They hadn’t told anyone right away. The main reason was because they were sure their parents wouldn’t let them spend the night together anymore if they knew they were now together. But on the night of their graduation, they’d gone to a house party and Jack had made a very public display of affection. Fed up with other girls approaching him, he’d grabbed Killian in front of everyone and made out with her. It had been one of the most satisfying things he’d ever done, and it had turned every head in the room. Platonic Jack and Killian were no longer so platonic.

J: Nah I don’t think the fam knows

They both knew there was a good chance word would eventually get back to their families. They lived in a small town and people talked. But maybe the fact that they had graduated high school meant that sort of news was not as Hot to spread.

Eventually, they’d tell their parents. Hell, they’d probably be thrilled about it. But for the time being, they were enjoying spending as much unsupervised time together as possible.

KILLIAN

If Killian didn’t know better, she’d think Jack was feeling insecure. But Jack had never been insecure. Never had a reason to be. He was beyond sexy and had always had girls drooling over him. She had a hard time believing he was getting insecure now. She wondered what else it could be. Maybe he’d asked out of idle curiosity but she couldn’t shake the feeling that it was something more.

Still lost in thought, Killian got out of the Shower toweled herself off. The A.C. was on high and the air felt chilly when she got out of the Shower. She looked down in time to watch her nipples harden instantly. She tugged on one of the little nubs; they were just so cute when they were hard. She squeezed the other one too. She couldn’t help it. It felt so good. She watched herself play with her tits in the mirror. She could feel herself growing wet immediately.

Killian checked she’d locked the door and then put a foot on the counter. Sure enough, juices were already coating her lips. Her little clit started to tingle, begging for attention. She tried to tell it to wait until tomorrow when she’d see Jack, but finally Killian gave in, massaging it in slow circles until she was so wet that she could see her own cum leaking out of her slit and down her leg. Then she started to rub her clit more quickly, letting out a quiet whimper as she pleasured herself.

Seeing how aroused she was in the mirror only turned her on more. What she really wanted was for Jack to see. She didn’t know why, but she loved it when he’d make her masturbate in front of him. And she loved the way he bossed her around. It made her tremble.

Killian rubbed herself more aggressively and almost immediately started to cum. She watched in perverted satisfaction as her Pussy started to pulse. Even in the mirror, she could see it clamping while she orgasmed. She watched cum dribble from her Pussy with lusty gratification.

It took all of Killian’s self-restraint not to rub another one out immediately. She wiped off some of the leaking cum, put her clothes on, and joined her parents in the hotel room.

LOGAN

Logan did think about it–fucking Killian–a lot, despite his best effort not to. There were so many things going through his mind. He and Jack had barely spoken the past few weeks, and then Jack decides to offer the subject of their falling-out to him on a silver platter.

It felt like a trap. It felt like a joke. But there had been something in Jack’s explanation that had been so genuine. He really loved her. Loved her enough to know he’d destroy her if he tried to fuck her in the Ass. Logan wasn’t convinced the same wouldn’t be true for him too. And Jack was willing to trust him with it?! Him. His fucking stepbrother, of all people. And he wanted to watch?!

It was twisted.

Logan had always thought he was the biggest freak in the family, but maybe his little bro had some secrets of his own.

Shit. His fucking stepbrother. Could he really fuck a girl in the same room as him? He probably could. He’d had Sex in the same room as another guy, but they’d both been with different girls. But could he fuck Jack’s girl in front of him? While he just watched?

It was weird as hell. But to be fair, he was sporting a half-chub as he debated it so maybe it would be easier than he thought.

He wondered what the hell Killian would make of it. Would she be interested? How was Jack going to pop the question? Killian was a freak. He knew it. Maybe more than she even realized herself. He could feel it deep in his core. Her submissiveness was a magnet that pulled his dominance in. She brought it out in Jack too, he knew from what he’d overheard, but he wasn’t sure Jack knew what to do with it. Logan could help.

Fucking hell. How could he ever tell Jack that? Hey, bro, lemme help teach you how to dominate your secretly subby girlfriend.

One thing at a time.

To fuck Killian or not to fuck Killian, that was the question.

KILLIAN

“Jack!” Killian squealed delightedly, when Jack opened the back door to her room.

“Hey, babe,” he grinned.

She was in his arms faster than she could blink, kissing him desperately. Her boyfriend. Her fucking boyfriend. She managed to stop kissing him long enough to needlessly say, “I missed you,” before gluing her lips to his again.

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