Promises to Keep

Story by Amil on SoFurry

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#12 of Alex and Samantha

A Lannister always pays his debts. And Samantha is in for a rough time because of it.


Samantha peered through a crack in the blinds, watching as Olivia backed out of the driveway. The knot of tension in her abdomen only grew as she watched her stepmother's car follow the winding street out of sight.

"She gone?" Alex asked.

Samantha almost flinched at his voice. She nodded, but continued staring out the window as Alex moved the dresser into position in front of the door. Not that they really needed it--James was back at school, after all--but some habits died hard.

"Are you ready?"

Taking a long, deep breath, she nodded. It had been nearly a week since the twins had any time to themselves. Things between them had been... strained. Alex had apologized for lashing out--specifically for slapping her--but Samantha could tell he was still angry. And even though things had improved somewhat, the thought of her upcoming punishment had loomed over her constantly.

"I want to hear you say it, Sammy."

She tried to look her brother in the eyes, but his stern look made the anxiety in her gut blossom into full-fledged panic and she quickly dropped her gaze.

"I'm ready," she said.

Alex nodded, and gestured.

She took another steadying breath and slowly dropped to her knees. Alex crouched down next to her and began to gently gather her hair into a ponytail. It was so simple, something they'd done many, many times before. And, somehow, that made it a hundred times worse.

"Please don't hurt me, Alex," she whimpered. Her brother hesitated, and she started to tremble, petrified. "Please."

"Don't worry," he said. And for the first time in ages, she could hear the emotion in his voice. There was still a hint of anger, but concern too. "I'm not going to hurt you. I'll be rough, but not... not like you were. Not quite."

"Thank you," she said, her voice barely above a whisper.

Something covered her eyes, and it wasn't until she felt him adjust the elastic around her ears that she realized he'd blindfolded her. She stiffened, allowing him to guide her back onto her feet.

"I'm going to undress you now," he announced.

She felt his paws tug her shirt up and she lifted her arms, compliantly. The blindfold was unexpectedly disorienting. She nearly fell over as he pulled her shirt over her head. Paws trailed lightly over her shoulder blades, and then the tension in her bra was gone. She shrugged her shoulders and then that too was gone.

The room felt cool, though she knew it was merely her own fear. Her nipples were hard, almost uncomfortably so. Alex's paws snaked around her waist, fiddling with the button and zipper of her jeans. She reached down, helping to shimmy out of them. They lay a bit too tight on her hips for him to manage easily on his own. Her panties, too, were swiftly removed, leaving her naked and blind before him. Resisting the urge to cover herself, Samantha waited.

Alex pressed gently on her shoulders, and she dropped back to her knees. That left little doubt in her mind to the next step. A paw grabbed the base of her ponytail and she opened her mouth, unresisting as he guided his cock inside.

A blowjob wasn't so bad. In fact, even though the blindfold made it a little degrading, part of her had missed the intimacy of it. She pressed her lips tightly around his shaft, exploring him with her tongue. To his credit, Alex struck a remarkable balance. His hips bucked slightly and his paw pulled her head toward him, pressing her forehead into his pubic fur. It was just forceful enough that it left no question in her mind that he was the one in control, but wasn't so rough as to be unpleasant. He thrust a bit deeply once and she gagged, but he quickly adjusted. It was such a strangely considerate gesture--oh, the absurdity--that she gave a grateful moan around his cock. Her paws trailed up his thighs, briefly surprised the he'd had time to remove his jeans as well. One paw continued further up, cupping his balls and lightly stroking his sack. She felt him swell in her mouth and she moaned again, sucking forcefully as he thrust more aggressively with his hips.

Alex gave a groan, and a second later her mouth was empty. Samantha froze in confusion, mouth agape, then jumped as she felt the first shot of cum splatter across her chin. She quickly shut her mouth. Another followed, streaking across her lips and cheek, then more and more, until it felt as though every inch of her face was dripping with it. She licked her lips without thinking, then grimaced at the salty, slimy result. She reached up with a paw--

"Don't," Alex ordered. She froze, then slowly lowered the paw. A bit of cum dripped from her cheek, landing on her thigh.

"On your back," he instructed.

Samantha slowly shifted. She lay flat, stiff as a board, tail tucked between her legs. The blindfold made her heart race, and she heard steps as Alex moved about the room, retrieving something metal-sounding.

He came for her paws first. He stretched them out, gently, above her head, then fastened a pair of handcuffs tightly around her wrists. She tugged slightly, confirming what she'd already suspected: the chain between the cuffs was snaked around one of the bedposts, keeping her locked in place.

Her hindpaws were next. Two more cuffs--this time for her ankles--only rather than a chain, there was a spreader bar between them, keeping her legs splayed. She gave a quiet whimper, curling her tail up between her legs. The protection didn't last long; Alex yanked the bar vertically, back toward her head, and when he released it, it did not come down. Samantha began to shake again. The angle of the spreader bar made her hips ache, and having both her arms and legs secured to the same bedpost forced her to curl slightly. Her hips were held just off the ground, leaving her intimate areas exposed to the world. She started to curl her tail up once more, then thought better of it.

A familiar click sounded, but it took her a second to place it.

"Did you just take a picture?" she demanded, fear forgotten. "Alex! Are you--"

Pain. Sudden, blistering pain seared across her cunt. She cried out, half-yelp, half-scream. She thrashed, then a second later, the pain repeated itself, along the crease of her right thigh. Then a third time, right across her labia.

The fear returned. She felt cool leather trail down the back of one leg: the riding crop. Her riding crop--she opened her mouth to protest, then swiftly shut it again as a dollop of cum dripped in. The crop spanked its way down her thigh, making her flinch and yelp each time it struck. Alex struck her pussy again, and this time, she couldn't help it.

"It huuuurts!" she whimpered, wriggling. She knew almost instantly that she'd made a mistake. She clamped her mouth shut and lay still. The crop did not fall. Instead, there were footsteps, and in the darkness of the blindfold, she began to sweat. After a long minute, she heard him shuffle near her head.

"It's supposed to, Sammy." Alex said. He sounded almost relieved. "Open your mouth."

Samantha lay still, mouth shut.

"Sammy," Alex repeated. She could hear the warning in his voice, and he pressed the end of the crop against her clit.

Hesitantly, she opened her mouth and felt something large slip inside almost instantly. She bit down instinctively, then groaned as her teeth locked against a large metal ring. She traced the metal just to be sure. Yep, ring gag.

The cum from her earlier facial began to seep into her now-gaping mouth and she grimaced, or tried to, gagging slightly.

"Wiyadoaghee?" she moaned, then gagged again as more cum seeped into her throat. This was not going to be pleasant.

Instead of answering, Alex simply resumed his work with the crop. With her new gag, the line between scream and moan became blurred. Samantha cried out each time it struck. Soon, her ass burned, throbbing with every heartbeat. Her pussy was in even worse shape; it was swollen, and even a gentle brush of the crop sent waves of pain radiating out. Her clit, too, felt like it was on fire. At one point, Alex had spread her folds by paw, teasing and stroking until her clit was on full display, and then--whap! She'd nearly passed out.

She trembled, struggling for the sake of it against the cuffs. Her breathing was fast and shallow through the gag. She felt drool leaking from the corners of her mouth, mixing with the cum on her chin, but was too distracted to care.

Alex's paw closed around her ankle. Samantha flinched, instinctively trying to pull away, but he held her firmly. "Relax," he instructed. "I'm done with the crop." She relaxed slightly, sagging against her bonds.

Something wet and runny dripped horizontally between her thighs. Squirming, she gave a hiss as her brother's paw cupped her sensitive mound. His fingers traced every nook and cranny, spreading the lube over her vulnerable, aching folds.

One finger slipped inside, and she grunted, trying to keep the pleasure off her face. Every inch of her was aching, but the feeling of his smooth, almost-cool paw pad stroking her insides was quickly driving that fact from her mind. More lube was drizzled, first across her clit, then over her tailhole. The latter worried her, but Alex slipped a second finger in her pussy, pleasure quickly eclipsing her concerns.

"I'm glad you're enjoying yourself," Alex said. His voice was husky in her ear. "How about now?"

Alex removed his fingers and something large, smooth, and well-lubricated replaced them. It nudged its way inside, spreading her wide and inching much, much deeper. She moaned into her gag, hips shaking involuntarily as she was penetrated.

Beneath the blindfold, Samantha frowned.

What? Is that his--

The object inside her burst to life, whirring and gyrating, sending shivers down to the tip of her tail and earning an involuntarily clench of her pussy.

Oh.

She moaned, squirming as the vibrator nudged every sensitive spot within her. It was heavenly. The vibration followed a deliciously intense rhythm, building from almost nothing to a throbbing, pulsing climax.

Fuck, did her brother know her well. She was so distracted by his perfect selection that she almost failed to notice his paw snaking downward. Another generous drip of lube followed, and then her brother was massaging her tailhole. One finger bore down on the puckered exit, entering after a moment's pressure. She grunted, trying to focus on the pleasant distraction vibrating away in her pussy, but only succeeded in clenching down tighter on his finger as well.

"Damn, you're tight, Sammy," Alex said with a laugh. "Relax. I'll go real slow." His finger withdrew gently, painlessly, then eased back in. The going was a little bit easier, but she felt her brother drizzle a little more lube, regardless.

Alex gave another couple of backdoor thrusts with his finger, and Samantha couldn't quite bite back a moan. The double-penetration was making everything intense, and as Alex's finger slipped inside her ass, it bumped the vibrator in all the right ways.

"Oh, hold on," he said, and she could almost hear the smile on his face. His finger pulled out of her tailhole, and then he was pulling her head up, fiddling with the strap to her gag. She gave an appreciative gurgle, cum and saliva bubbling in the back of her mouth.

"But first..." Alex's tone shifted. She felt a finger run across the fur of her face, down along her chin, collecting cum. It dawned on her after a second that it was the same finger that had been buried in her ass, seconds earlier. She struggled, trying to pull free, but Alex's grip was too strong. The finger slipped past her lips, through the center of the ring gag, depositing an enormous glob of now-cold cum squarely onto the center of her tongue. Then, he swirled it around her mouth, stroking her tongue with each knuckle.

Samantha gagged, more from disgust this time. Apparently satisfied, Alex withdrew his finger and proceeded to untie the gag. He quickly managed. The ring gag slipped from her mouth, and an instant later, Alex clapped a hand over her mouth.

"Swallow," he ordered.

Samantha gave a whimper, hesitating. When Alex gave no sign of stopping, she clenched her eyes shut beneath her blindfold and swallowed. The cum stuck to the side of her throat going down and she broke out in a coughing fit.

"Good girl," he crooned, and suddenly the blindfold was gone.

Samantha blinked frantically. The room felt incredibly bright, and she took in the sights through squinted eyes. Her brother was crouched next to her, sack dangling and his hands sticky with lube. She was too, and she looked down to where the vibrator was still buzzing away. It was as though the sight of it had brought it back to life--a heavy wave of pleasure washed over her and she suddenly realized how very close to orgasm she actually was.

In short: very. Samantha moaned, throwing back her head and clenching down on the toy. Alex grinned, and then the vibrator was thrusting, back and forth inside her. His palm rubbed against her clit, sending another spike of pleasure down her tail, yet reminding her how sore she was.

Alex stood, and Samantha watched, almost hypnotized, as his cock emerged from his sheath, bouncing slightly. He ran his paws up and down his length, adjusting a condom, and soon it was glistening with lube. The edge was tucked behind the first hints of the knot beginning to bulge out above his sheath. He knelt, and Samantha felt her breath catch in her chest.

Her brother lined his cock up, nestling the tip against her virgin tailhole. As if conditioned from earlier, it almost felt as though her ass was begging, urging him to penetrate her.

"Alex," she said, practically whimpering. "Please, be--"

Alex pressed forward, and as his cock began to slide inside her, Samantha's words became an indecipherable moan. He managed a good two or three inches until his shaft grew too thick to make the going easy. His paws found her hips and gave a tug, pulling the twins closer, and burying another third of his shaft inside her tailhole.

Samantha looked down, feeling faint, and exhaled a shaky breath. The vibrator was still raging, and now her brother--the same brother she'd cuddled at night as a child--was buried knot-deep inside her ass.

"Oh, fuck!" Samantha cried. Her voice was somewhere between normal speech and a needy yelp. She pulled hard on the handcuffs, growing increasingly desperate. "Alex! My clit! Please!" Her ass was burning, stretched by his cock, but the insistent, growing pressure in her cunt was winning the war for her attention.

Alex bucked his hips, cautiously withdrawing no more than a quarter of his member, before thrusting back in. One paw dropped between his sister's legs, thumb lightly pressing on her clit and beginning a series of slow circles.

"Fuck!" she all but screamed. "More!"

In hindsight, it was a remarkably vague choice of words. Alex's thumb pressed down twice as hard, sending a spike of pained pleasure throughout her crotch. At the same time, he pressed forward with his cock--hard. Samantha's tailhole burned, beginning to stretch lewdly around her brother's knot.

"No!" she shrieked. "My ass! Don't knot me!" The earliest tremors of her orgasm began to spark through her groin and her legs shook, making the spreader bar rattle.

Alex gave a furious growl, rival emotions raging across his face. "Fuck!" he swore, pulling back. His cock slid from her ass in a single, sloppy motion. He tore the condom off, then desperately jerked himself with a paw. "So fucking... I have to..."

Alex gave a keening wail and felt her eyes shut as her orgasm took over. Her body clenched down on the vibrator hard--once, twice--and then there was nothing. She cried out at the sense of loss, body craving the sense of being filled. She strained against the cuffs, desperately trying, and failing, to finger herself.

And then she was full again. Something long and hard filled her. It wasn't buzzing, but burned in such a satisfying way that her spasming pussy couldn't object. It hammered her, thrusting in and out--each time penetrating deeper and prolonging her orgasm.

Something large and heavy pressed against her, stretching her wide and stimulating her clit. She let out a shuddering moan, yanking her legs further back against her breasts, begging for more. Her skin still ached from the riding crop, but she was beyond caring. She needed more.

It was in. Samantha screamed, toes curling as the knot slipped inside her cunt. She rode her orgasm from peak to peak, feeling her body shudder around the shaft locked tightly inside her.

Something heavy pressed against her chest, driving the air out of her lungs. Her eyes snapped open to find her brother's face inches from her own. His breath was hot, panting into her cheek, and he moaned loudly.

"Ahh... lex!" she gasped out. Her gaze travelled lower to the spot where his hips met hers. She could see the lips of her pussy stretched around his knot. There was a powerful tremor, and then she felt it. Wetness, far beyond what her own body could have produced, flooding into her. Alex moaned again, his whole body tensing.

"Are you... why... Alex..."

She was so light-headed. Samantha fell back, letting her legs dangle limply. Panting, she waited as her brother's orgasm subsided, trying not to think about the cum that was now sloshing around inside her.

Wait, do you have to be eighteen to get Plan B?

She sighed. There was time to figure that out. For now...

"Sammy?" Her brother looked up from between her breasts, panting. "Are you... I didn't go too far, did I?"

She gave him a look, glanced up at the spreader bar still holding her ankles, then down to the knot planted between her legs. She raised one brow, but didn't say a word.

Alex blushed. "Sorry, guess I got a little carried away."

"A little?" Samantha scoffed quietly. "Just ask next time before you knot me."

He grinned sheepishly, and propped himself up on his knees. The motion tugged on her a little and she yelped. "Sorry," he repeated.

She rolled her eyes, then gave a reluctant smile. "Am I forgiven?"

"How's your ass?"

She wriggled a bit, confirming her suspicions. "Fucking sore."

Alex laughed, then leaned down to give her tender kiss on the nose.

"Yes, you're forgiven."