Our Little Mistake

Story by Mech on SoFurry

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A quickly-written sequel to Our Little Secret, since there was such demand for it. Even from my own mind.


Bernard went through his day with butterflies in his stomach. He'd gone into Isabel's room the night and told her about the condom. She looked surprised, then told him to go to bed. He'd heard her in the bathroom, running some water, then she went to her bed. After breakfast, she took her car into town, and he hadn't seen her since. A squeal made him swing his head around as Champ pranced up towards Terra. The mare snorted at him and gave a half-heated buck before letting the stallion get up on her. Bernard bit his lower lip as he watched the feral male jab at his female for a moment before penetrating her.

"Hard this time of year, ain't it?"

He leapt and jerked his head around, seeing Pa walk up and lean against the fence. He and his Pa were nearly identical, except that the older stallion still had a couple inches of height on him, and a lot more muscle on his frame. Other than that, they had the same coloring, trimmed their mane and cuffs the same way. Hell, they were even wearing similar clothes. The wood fence creaked a little as his father shifted, bringing a hoof up to rest on a rail. "The scent of these mares around here, all ready and wanting. Sometimes a hand don't work out." Bernard stood, frozen as his father spoke. Those cool blue eyes looked around quickly before his Pa leaned in closer. "When I was your age, I'd sneak out to the barn and give a couple of our animals a good ride. If ya need any advice..."

Bernard blurted out, "I found places online that gave tips on that." His ears burned as the older stallion fixed him with a look.

Pa laughed, "Alright then, just don't let your Ma catch ya, or we'll both catch hell." He pushed off the fence and looked at the horses as they wandered around the pasture. "Feels mighty good, don't it? Ain't got jack on a nice mare our size though." He winked and strolled off to check on something, leaving Bernard standing there.

The rest of the day was spent with Bernard trying to keep himself busy. More than once, he found himself wondering just how many times his father had sneaked off to the barn for a late night fling. His ears pinned back briefly when he thought about the fun he'd had with his own sister. Damn right mares were better.

Supper came and went without Isabel showing up again. At least he thought she hadn't been back around. When he slipped up to his room, there was a note waiting on his bed. It told him to come out to the barn later, that she had something she wanted to tell him. The note also asked him not to shower, which he thought was a bit odd, but he shrugged it off. The house was noisy, his siblings going about their business of settling in for the night. Some playing games, some arguing or chatting about this and that. Soon enough, things began to get quiet though. Not to be too eager, he waited another hour or so before slipping out of the house.

It seemed like every floorboard was out to get him. Last night their creaks and groans had been deafening. Tonight, it sounded like every step was gonna bring the whole fucking house down around him. He made it downstairs quickly enough and out through the kitchen. He could hear his parents moving around in their room, but judging from the muted noises, they'd be passing out soon enough. The fact his Ma and Pa rutted like they did hadn't bothered him for a long time. Pretty hard to not think about it come spring, where it seemed like everything on the farm was thinking about sex.

He'd nearly made it to the barn when a soft neigh drew his attention to the side of the building. Izzy waved him over and stepped back, putting the barn between her and the house. His ears flicked back for a second as he readied himself for whatever. Where had she been all day? Could a pregnancy test already show positive, after just a few hours? How badly would he get his hide tanned for knocking up his sis? With a sigh, he made his way around to where she waited, feet crunching on the gravel.

Izzy was leaned back against the wall under one of the lights, wearing a loose pair of jeans and the tightest tee possible, under her jacket. The front was open, showing that the top could barely contain her breasts. She smiled at him and opened the jacket a little more, showing off her perked nipples. "Izzy, about last night..."

"I'm on the pill."

Bernard froze as she grinned at him. "What?"

Reaching out, she began to unbuckle his pants, pushing them down. "I'm on the pill, get on it every year around this time." Bernard moved in as his sister tugged at his pants, feeling his body responding so fast it left him more than a little lightheaded. She slid down the wall and nuzzled his dropping cock the second his boxers were down. It was very hard to concentrate when she lipped at his cock, pulling it into her mouth with a moan.

Isabel's cheeks burned when she caught a whiff of her brother's scent. He'd been fairly clean at the start of their fun the night before, smelling only lightly of sweat and horses. When he came into her room to tell her about the condom, oh gawd, he smelled so delicious. Now, after a day of their usual hard work, that musk was intoxicating. The taste wasn't all that great, but she'd take it for that smell. Popping his cock into her mouth, she ran her tongue across his flesh, feeling it rise. She lowered her head until she was nuzzling his groin, taking deep whiffs of his musk as her stiffened inside of her mouth.

She wrapped her arms around him, squeezing his rump as her tongue worked his shaft. Her eyes closed as she pulled back, lips sealed tight against his flesh. She only stopped when her teeth brushed against his mushroom. Up and down she went, head moving slowly as she brought that cock to full mast. Izzy wiggled her hips, feeling her jeans rubbing against her privates. Gawd, Bernard's musk was driving her wild. She pulled away with a gasp, leaning down to nuzzle his heavy balls. Wrapping her mouth around one orb gently, she sucked on it, watching as her brother moaned, fingers gripping her hair.

Before things got too heavy, she stopped and reached into her pocket. Out came a fresh condom. She had it open and was stuffing the pack into her pocket in a matter of seconds. She looked up, seeing her brother staring at her as she slid the raincoat into place. "Wait," he moaned, "if you're on the pill, why do I have to wear those?" Isabel nuzzled his balls, lipping at them for a moment as she opened her pants and shimmied her hips.

By the time she stood up, jeans sliding down her hips, she had an answer. "Well, between the pill and those, figure it's safe enough. Pill is good, but it ain't a hundred percent." She was kicking off her jeans when the stallion dropped to his knees, grabbing her hips. It was her time to be render speechless as his tongue probed her hot, sticky mound.

Bernard felt a flash of anger when his sister told him that they didn't need the rubbers So, time for a bit of payback. When her legs spread so she could kick off her pants, that was his perfect chance. Gravel dug into his knees as he dropped down, ignoring the dull pain, he wrapped his hands around her thighs and plunged in. He tasted and smelled her at the same time, eyes rolling back as his body trembled. His cock surged inside of the condom, going from just hard to painfully so. Bernard's lips smacked against her privates as he worked his tongue in. Izzy felt hotter than she had yesterday, and her scent. Gawd, that reached something deep inside of him and made him shiver.

He pulled away for just a second, enough of his mind working to ask a question that had been nagging him. "Where were you today?"

Isabel almost couldn't answer as he kissed her pussy. "Gr-groceries." She bit her lip and held back a squeal as his flat teeth pressed against her clit, lips brushing the nub. "Groceries and a mo-m-moOooOOOvie!" This time she kicked, hoof smacking the wooden wall of the barn.

Bernard's head was spinning as his sister's snatch winked right in front of him, begging for more. "Just wanted to make me worry?" Her head jerked in a nod. Standing up, he shoved her against the wall, grabbing her thighs roughly. He lifted her legs up, which she immediately wrapped around his waist. "Very bad mare."

"What do we do to bad mares?" came the breathless question as her hips pressed against his covered cock. Their bodies rolled together, guided by need and instinct.

The siblings shared a moment of bliss as he sheathed himself inside of her. Isabel's wet, hot sleeve wrapped around his cock, squeezing it so hard as he drove into her. She let her head fall back against the wall, trying to keep from screaming from how great it felt. Bernard saw her exposed neck and buried his nose against it, biting and sniffing. Tightening her legs around his waist, the mare began to ride his cock hard, meeting his thrusts with her own motions. They stood there, under the outdoor light, holding tight to each other as their bodies met with wet slaps and gasps.

Izzy wrapped her arms around her lover, blue eyes rolling in her head as he filled her perfectly. Already, just moments after starting, she could feel her release building. She had spent most of the day away from the farm for two reasons. One, Bernard already knew since she told him. She wanted to make her brother squirm for a bit. The other was more for herself. All night, she'd dreamt of her brother, the first stallion to ever take her during her heat. If she hadn't slipped away for the day, then she would've probably cornered him at some point today. Even away from home, she had more trouble keeping to herself. Gawd, she really shouldn't have stopped at that sex store, but she had a nice surprise for later.

She was interrupted when Bernard's lips fluttered against her neck before moving to her breasts. The mounds were bouncing wildly under her top, free of any bra at the moment. Berny bit at one of the nipples, squeezing it between flat teeth. Her body jerked, hooves knocking against his backside as she squealed. The sharp, short pain was enough to send her over the edge. Before she could call out again, her brother mashed his lips against hers to smother the noise. His fingers dug into her rear hard enough to leave bruises as he pinned her to the wall. She could feel his hips jerking as he pumped his load into the safety barrier, balls twitching against her rear.

It took them several seconds to relax, breaking the kiss with a moan. Four ears shot up as gravel crunched under a hoof and the all too familiar sound of a throat clearing made them look. Their Pa stood at the corner of the barn, looking at them. For a moment, they just stood there, staring at each other. Finally, Pa grunted; "Y'all using a condom?"

"Yes, Pa." They chimed together.

He grunted again, "Get your tails inside, getting cold out here." The older stallion turned and called over his shoulder. "And keep it down, Ma send me out here to find out what was makin all the noise."

Isabel slipped out of Bernard's grasp slowly, their ears listening to the retreating footsteps. "Are we in trouble?"

Bernard shivered as he pulled out of his sister, reaching down to pull off the condom. "He didn't yell at us, so..."

She nodded, looking towards the house. "He's right though, it is getting chilly." Tugging her pants back up, she hurried inside, leaving Bernard there.

Bernard wrapped the condom in a paper towel and shoved it down deep into the kitchen trash before heading upstairs. There were a few noises coming from their parents' room, but mostly sounded like the pair were getting ready for bed. Isabel was already back upstairs, her door shut tight. When he rapped quietly, she didn't respond. Damn, if Pa hadn't caught them, he'd could've been having some more fun right now. Grousing about the older stallion ruining the mood, he retreated to his room.

As soon as his door clicked shut behind him, the lamp next to his bed clicked on. Isabel was there, not wearing a single stitch of clothing. The mare's ears flicked back to hide in that glorious platinum mane; "My bed creaks, so..." She laid her head on the pillow and smiled at him, arching her back up. Well, looks like the mood is back up! Bernard shed his clothes so fast, he might have ripped a couple things when getting them off. He did manage to keep from hopping over to the bed as he took off his pants. Only just.

His bed was actually just a box spring and mattress on the floor. The old frame had broken a while back, and he'd never gotten around to fixing it. Dropping onto the bed next to his sister, he laid out and leaned over to kiss her throat. His hand reached out to grope one of her breasts, playing with the mound. She breathed out a moan as her hand fell to his thigh, finding his cock and stroking it.

With her clothes off and a light on, Bernard could finally admire the goddess that was his sister. Farm life had given her a muscle tone won through almost daily hard work. She wasn't bulging with muscle though, and a nice layer of chug rounded out her curves nicely. Breathing in her scent, he moaned at the enticing aroma of the mare. Flowery shampoo mixed with sweat and the smell of an aroused female. Even if she was on the pill, her smell was more than enough to bring him to full mast again. His fingers danced over one of her breasts, feeling the firm flesh meld a little under his touch. Thick nails pinched at a light nipple, tugging at it. She breathed out another moan, arching towards him and whispering his name. One moment, he was next to his sibling, and the next he was moving over her, sliding between her thighs.

Isabel loved the look of surprise on her brother's face when he came into the room. It was cute, watching him struggle with his clothes. When his pants came off, it was obvious why he was having so much trouble. All the blood was leaving one head and rushing for the other. Then he was next to her, hands groping her body and exciting her again. She reached out, gripping his cock and stroking it. She finally got a good look at the length that she'd been fantasizing about. Fingers trailed over the two-toned flesh as she played with his tip, huffing. Rolling towards him, she offered more of her body for him as her other hand moved to touch his arm. Muscles tensed under her touch before relaxing. An ancient voice whispered to her, telling her all of his good traits. The whispers distracted her, making her more complacent as he pushed her down into the bed and move over her. When his tip kissed her winking pussy, it brought her back around.

"Wait," she gasped, reaching for one of the condoms laying next to the lamp. Bernard slapped the wrappers away from her hand and grabbed her wrist, pinning it to the bed. She looked at him and saw a savage gleam in his eye.

"Naughty mares don't get to use those."

Any protest she might have had was cut off by a gasp as he slammed into her. She pressed her thighs against his side, throwing her head back as she tried not to moan. The feel of his bare cock sliding inside of her body, his slapping against hers, his weight pinning her to the bed. It was bliss. Isabel turned her head and buried her cheek into a pillow as her brother kept her hands pinned to the bed. His teeth bit at her shoulders and breast, acting like a herd master. Eyes closed as she pushed up against him, just managing to avoid squealing as she came around him.

Bernard's head was spinning as he hunched over his sister. He was fucking her, without a condom! And she was enjoying it as much as he was. Her hips pushed up against him, body grabbing and pulling his cock harder. Even though the rubber didn't effect the feel much, something about not having one on made it feel far different. Looking down at his sister, he saw the bliss on her face and moaned. He nuzzled her neck and worked up to her ear, nipping it; "You like this?" She nodded, pushing up against him. "You love being my naughty mare, don't you Izzy?" She might have said something, but the words were choked off in a moan. The stallion pulled away, cock slurping wetly out of her pussy. "Get on all fours."

The words barely left his mouth before she was rolling over, presenting those wide hips to him. Her ass was shoved against his groin as her tail flagged up. He drove back into her from behind, holding tight onto her thighs. Isabel buried her head into his pillow and let out a very muffled squeal. Bernard smacked her ass as hard as he could, making her snort and buck back against him. Leaning over her, he slammed the mare hard, his balls slapping against her. He bit at her shoulder and neck hard enough to bruise. Each bite, slap, and pinch was greeted with another squeal or buck from the mare. She squeezed him harder and tighter, sweat foaming on their bodies. Each thrust sent her breasts swinging wildly under her. He felt his balls tightening up against his body as his pleasure built. Bernard slowed his thrusts, giving up speed for sheer force. Izzy looked back at him, eyes pleading.

He drove himself in to the very root and bit her neck to keep from crying as he came. Without that thin protection, his cum splashed against her back wall. His tip flared out, trapping as much of the thick seed deep inside of her. She grabbed the pillow tight, burying her head in it as she screamed. Her body clenched tight around him, muscles fluttering as they milked him. The few seconds it took for him to fire into her stretched out for what seemed like minutes. She held tight against him, hips rocking ever so lightly as he panted over her. When he finally started to pull back, she grunted; "Don't." She looked over her shoulder and blushed, "Stay inside."

Nodding, he pressed up against her again. The pair began to move again. They somehow managed to stay together, his semi-rigid length staying inside of his sister as they both laid out on the bed. Spooning up close, she pressed her rear back against his groin and tucked herself against him. Isabel turned off the light and closed her eyes with a sigh. Bernard tucked his nose into her mane and breathed in her scent as the long day caught up with him. It was mere seconds before he was out, snoring softly into his sibling's ear.

Later, maybe a couple hours, he woke up on his back. A shiver raced up his spine as something warm slid across his cock. Even with his eyes closed, he recognized the feel of Isabel's tongue. "Izzy?" he moaned, opening his eyes. Dim moonlight coming in the window was enough for him to make out the perked ears. She held him deep in her mouth for a moment before pulling back, lips sealed tight around him. She gasped as his dick fell out of her mouth, leaving him in the cool air. Hands gently pressed against his shoulders as she moved to straddle him. He reached down to grab his cock, lifting it up for the mare as she slid down it eagerly.

Some of his cum squished around his cock as she slid down him. It felt different than he thought it would have, but not bad at all. Izzy's lip barely kissed his base before she was lifting up again. She pushed her hands against his shoulders harder, arching over him as she breathed out a moan. "Come on, bronco, give this cowgirl a ride." Bernard snorted and lifted his legs, bracing them on the bed. His first thrust jarred the mare and was met by a harder drop. She hissed out a word through clenched teeth, leaning close enough for her breasts to rub his face. As they began to move faster and harder, he grabbed her breasts and played with them. His balls smacked wetly against her body, mare juice and cum coating his sac.

Their rutting was just as wild as before, the two strong equines straining against each other as if testing one another's limits. Izzy drove her weight down onto the stallion. Bernard slammed up into the mare. Both made use of everything they had. It was just seconds before they started to ache in the best way possible. She released his shoulders, dropping flat against him. Her hips rolled and bucked, rocking against the male as she breathed into a pillow. He grabbed onto her hips, heaving her over onto her back. She wrapped her arms around him, nails digging into his back as her legs wrapped around his waist.

Both clydesdales finished at the same time. Izzy arched up, grabbing his head and pulling him into a kiss as Bernard buried himself into the root inside of her. Her body winked and clenched around him impossibly hard as he blew again. The horses squealed into each other's mouth as their tongues wrestled. He'd barely finished pumping another load into her before they were shifting around to get comfortable without separating.

During their settling, he rose for action once again. Laying on their sides, their legs tangled with each other as their hips rocked and bucked. It seemed like their hands were everywhere at once. Hair was mussed and tugged, bodies grabbed and squeezed. The stallion only lasted a few moments before he released a smaller load, grunting as his spunk oozed out around his length. His mare sighed with contentment and tucked her head against his neck, breathing deeply. Pulling at the blankets, he untangled them enough to cover their bodies. With limbs entangled, the pair drifted off again.


Bernard lay out on the couch in nothing more than a pair of shorts. His family had gone off to a waterpark, leaving him at home. His knee had gone out on him again a week before, so he had to stay off it. Hurt like a sonofabitch when it happened, and he had to wear a wrap. Sure, it meant that he couldn't go to the park, but it also meant lighter work around home. Plus, there was always something nice about having the home to himself.

Well, not entirely to himself, as he discovered. A clop made him tear his eyes off the TV. Isabel stood there without a stitch on, her hands behind her back. Bernard moaned at the sight of her. Even though her heat had passed several weeks ago, they still had their fun. The mare moved over to him with a grace that'd surprise someone that didn't know the mare. She seemed to glide across the carpet, ending up straddling his lap and pushing him into the corner of the couch. "Do I have your attention?" she whispered in that glorious, husky voice she knew he loved.

As much attention as there could be had, with all the blood rushing away from his brain. "Oh gawd yes." His hands moved to her hips, brushing over the short fur there.

The mare almost purred as she pressed against his bulging groin. "Good." She dropped something onto his chest. Bernard frowned and looked at the strange white stick, rolling it around for a second before his eyes locked onto a tiny little window. Inside was a blue plus mark, which stood out against the plain white background. "Ma and Pa are gonna kill us."

"Yep."