Sultry Skies

by Cardinal Dan Productions

Rating: mature
Tags: Slice of Life, Anthro, My Little Pony: Friendship is Magic, Romance, Thriller, Original Character, Sex
Length: 5115

All dressed up, and with no coltfriend to take her to her senior prom, Arctic Skies needs a date, and her little brother is the only person she can turn to. As the night draws on, however, the lines between pretending and real romance start to fade.

All dressed up, and with no coltfriend to take her to her senior prom, Arctic Skies needs a date, and her little brother is the only person she can turn to. As the night draws on, however, the lines between playing pretend and genuine romance begin to fade.

Cover Art: Mixtape

Commissioned by: Crit Magnet

Published 2021-09-27 02:00:01 UTC
Last updated 2021-10-29 22:37:17 UTC

Part 1: Her World

Author's Note

Aero Blade: Age 18
Arctic Skies: Age 19

Part 1: Her World

***A Cardinal Lee Production***

From the sofa, Aero Blade looked up at the sound of approaching footsteps as his older sister, Arctic Skies, sauntered into the room. She was wearing yet another gown, the third she’d tried on in the past half hour.

This time, the color was a pale aqua, a similar shade to her body. The skirt only came down to the length of her thighs, and there were no sleeves. Instead, she wore plain white gloves that traveled all the way up to her elbows. Then, there were her heels. They were just as white as her gloves and gave her a significant advantage in height. She approached him directly, putting herself between him and the television. “Well? Give it to me straight, dork. What do you think of this one?”

Aero rolled his eyes, having already been through this charade twice before. She looked fine to him, beautiful, even. Though, he’d never tell her that to her face. At the end of the day, however, he wasn’t a fashion expert, nor did he really care all that much about his sister’s prom night. “Hmm… Those heels sure do make you look taller, I guess.”

The look on her face turned murderous. “Listen, prick… If I wanted to hear your sarcasm, I’d shove my fist up your ass and move your mouth like a sock puppet.”

Then, she stormed away, leaving him alone with the television once again. That was fine by him. He was looking forward to a quiet night by himself. Their parents were out on their own anniversary date, and Arctic would soon be on her way to the school dance. That is, whenever her date decided to pick her up.

His attention returned to the screen across the room, and the ordeal of dresses and prom was quickly forgotten.

***

Outside, the sun had set, and the sky darkened. The house was left empty and quiet, save for Aero as he rose from the sofa. He used the remote to turn off the television before leaving the room in search of the kitchen. His empty stomach groaned, but memories of a meal their mother prepared for them before she left reminded him that there was food ready to eat, but something else caught his attention before he could reach his destination.

Out of the corner of his gaze, he saw a faint light coming from the top of the stairs, seemingly emanating from the second floor. It was coming from Arctic's room.

Puzzled, he shifted his path towards the stairs to investigate. Aero knew his sister should have left for the school event more than an hour ago. Upon reaching the door to her bedroom, he found it closed, yet a familiar yellow light creeped out from underneath, lighting up the hallway. Carefully, Aero opened the door, coming face to face with a grief-stricken Arctic.

Still in her gown, she sat on the edge of her bed. She was clearly upset, apparently having stopped crying only moments before he arrived. When Arctic saw him, her gaze narrowed and her eyes turned to daggers. “What do you want, puke?”

Staggered, Aero struggled to think of a response. He hadn’t expected to find his sister here at all, much less in the state she was currently in. “I… I just…” He swallowed hard. “I thought you’d left already.”

Arctic’s expression soured, and tears once again began to trickle from the corners of her eyes. “No… Silver Shield, that jerk, stood me up…” She sniffled and wiped her glove-worn arm across her messy eyes, taking off some of her makeup. “I’d been looking forward to this all year…”

Aero thought back to all of the times she spoke of the imminent dance. Sometimes, it seemed like the night of her senior prom was all she talked about, all she ever wanted. He didn’t understand why, but he could see how much it truly meant to her.

Leaning against the doorframe, he casually shrugged his shoulders. “Okay… Forget about him, then. Just go by yourself.”

She shook her head, utterly deflated. “The dance is for dates only… No singles, no sad saps, and no losers…”

Aero absentmindedly rubbed the back of his head. “Right… So, I guess that pretty much eliminates you, doesn’t it?” The dangerous look in her eyes returned, and it looked as though she might end him right then and there. He quickly held his hands up in self defense. “Wait! I…” A long sigh escaped his lips. “I thought… Well, what if I went with you?”

Her glare softened. “Wh… What? What do you mean?”

He shrugged his shoulders. “What I mean is… Well, you said the dance is only for dates, right? So, I’ll be your date. You’ll get your prom, and we’ll never speak of this again. Okay?”

Arctic stared at him blankly. Then, she blinked once. “I… I don’t know what to say…”

Aero managed a weary smile. “Don’t bother. Just clean yourself up. I’m gonna go find something to wear, and I’ll meet you by the car, okay?” Then, he returned the way he came, leaving his older sister stunned and, for once, without a petty insult.

***

Without a coat and tie of his own, Aero pilfered his father’s closet for the complete set. Luckily for him, they were about the same size. It didn’t take long for him to find a coat he liked. It was black, plain and simple, and it came with a pair of slacks to match. With a satisfied nod, Aero changed his clothes for the suit before carrying his own back to his room. Then, he made a dash for the car, grabbing his keys on the way out.

The air was still and quiet by the time he reached the crimson SUV, almost as though the night itself had held its breath. He waited by himself for almost two minutes before, at long last, he heard the sound of the front door opening. Aero turned, coming face to face with Arctic, and his jaw fell open.

She dawned the same gown she had worn before, but with a few improvements. Her white heels were swapped for traditional shoes of the same color, likely for the sake of her own comfort, and she’d opened up the front of her dress considerably, exposing a generous amount of her cleavage that definitely wasn’t visible before. Aero had to wonder if she did it on purpose, perhaps even to make him uncomfortable. That was something she enjoyed doing on a regular basis. Regardless of the reason, it was working. He’d never before seen so much of his sister’s breasts. Aero realized he’d been staring at her chest and quickly averted his gaze. “Ehem… Um… Right… Are you ready to get going?”

Arctic, seemingly having not noticed his perverted stare, nodded as she brushed her mane from her sparkling eyes. A sweet smile crossed her lips as she turned to walk around the vehicle to the passenger’s side. “Yeah. Let’s do this.”

***

On the school grounds, Aero and Arctic stood outside the guest entrance to the gymnasium. They were both only a short distance away from the doors, but neither of them seemed to want to take the final steps and join the party. Now, at the threshold of all places, Aero stopped to consider exactly what it was he was about to do. He’d never been on a date before, let alone with someone he knew so dearly. Even though it was all a charade, he couldn’t shake the feeling that what he was doing was wrong.

“It’s all just pretend…” He muttered under his own breath, too quiet for anyone to hear. “It’s all just pretend…” What would his friends think? Though they were few and far between, he still had some. What would the teachers think? What would their parents think? If anyone found out, the shame would be endless. “It’s only to cheer her up… It’s all just pretend…”

Then, he felt something brush against his hand. It was Arctic’s. Her fingers touched him repeatedly, as though she was trying to get his attention. “Hey, puke… Hold my hand…”

He turned to her in disbelief. “Wh-What?”

She looked directly at him with a cold stare on her face. “Hold… my… hand!” Her voice hissed through her clenched teeth like a wicked serpent’s. “Just do it!”

Acting on fear, Aero quickly took his sister’s hand in his own, squeezing it tight and interlocking his fingers with hers. It was then that he realized just how much she was relying on him for support. Arctic practically leaned on him to keep herself upright. Slowly, they shuffled forwards, inching ever closer to the gymnasium. As they neared the doors, the thundering beat emanating from inside began to beat throughout Aero’s body. Every thump coincided with a heartbeat. Nervousness overtook him as he and Arctic lead each other inside, stepping over the threshold.

Inside the gymnasium, the chaotic music had nearly everypony in a frenzy. Some danced to the beat while others mingled on the fringes of the court. Of all the places Aero wanted to be, this environment was not one of them.

Arctic, on the other hand, had a look of excitement in her eyes, as though every sound and sensation fulfilled some deep-seeded desire within her. Her gaze shifted all around the room, moving between students, the lights, and even some fog machines in the corner.

Aero spotted some skimpily dressed mares waving at them. He looked to Arctic and nudged her with his elbow. “Friends of yours?”

For the first time that evening, he saw a wide smile cross her lips as she nodded her head. “Yeah… I’m going to say ‘hello’. Wait here, okay?”

Then, she left him by the door. Aero’s palm had grown sweaty from holding hers so tightly. Now, all he could feel was the chill of the air. That didn’t really bother him so much, though. Arctic was happy, and that’s what mattered. As far as he was concerned, his mission was accomplished. He figured he’d just hang around and keep a low profile until it was time to leave.

Aero remembered seeing some benches in the corner that had a vacancy, but as he turned to head in that direction, he bumped into a large stallion, face to chest.

He stared down at Aero and puffed his muscled chest out. “Hey, where are you off to, shrimp? You don’t look like you belong here.”

Startled, Aero stumbled backwards, getting a good look at the roadblock in front of him. “Huh Wh-What are you talking about?”

“I mean you, shrimp.” The hulking stallion jabbed a meaty finger at Aero’s chest. “I’ve never seen you in this class. You’re not a senior. Who are you here with?”

Utterly panicking, Aero scrambled to think of something to say, anything at all. He hadn’t thought of a cover beyond him simply being Arctic’s date, and now, he was in serious trouble.

“He’s with me, Silver Shield. Back off.”

Aero and the big stallion, presumably Silver Shield, turned unison to face Arctic. She had a narrow look on her face and her hands planted firmly on her hips. Having just recently feared for his safety, Aero suddenly felt a great sense of relief.

Silver Shield looked back and forth between them, utterly bewildered. Then, he erupted into a fit of laughter. “You’re serious? Ha! Him? You and this little… You brought him to the… Oh, that’s rich, babe. You must be really desperate.”

Arctic took a step closer, narrowing the gap and standing on the tips of her toes to increase her height. “What’s so funny, jerkoff? Are you worried my date is a better stallion than you?”

The jock scoffed at her remark. “As if, twinkle toes. Everypony here knows who’s the top dog. That’s why I needed a date with a little more class, and a little less you. Shrimp here couldn’t possibly top me.”

Aero tensed up as his sister took his hand, pulling him in close. “Oh, yes he could… in every possible way…” At that moment, the music in the room shifted dramatically, slowing down to a crawl. Overhead the flashing lights stopped in favor of some warmer, pink colors. Even with his limited experience, Aero knew what a slow dance was. He looked at Arctic, and she looked back with a wide grin on her face. “Come on…”

With a never before seen degree of tenderness, she pulled him by both hands out onto the dance floor. Aero could only focus on not tripping over her feet, or those of any of the other dancers, but eventually, they reached the center of the court. “Um… Sky, what are we-“

She pursed her lips and shhh’ed him. Still holding onto his hands, she brought one up to her shoulder, and she moved the other to her waist, two places Aero had never even considered touching before. Then, with his hands in place, she draped her arms over his shoulders and down his back, and the two began to sway back and forth in concert to the rest of the couples. “That’s it… Just hold me like that. I’ll do the rest, okay?”

Aero nodded. He still felt uncertain about the whole ordeal, but the longer he remained in Arctic’s embrace, the more he began to enjoy the feeling. The tightening feeling in his chest began to fade until it was replaced by a fluttering sensation. The room around them, and everypony in it, became a blur. It seemed that all he could focus on was the mare in front of him, and she looked back through her half-lidded gaze. “This… is nice…”

That earned a chuckle from Arctic. Her laughter even caused the visible flesh of her breasts to shudder. “Yeah? You really think so?” She paused for a moment before quickly wetting her bottom lip with her tongue. “I’m liking this too…” There was a pause as she caught her breath. “You can move your hand a little lower, if you want. It’s starting to feel sweaty…”

He didn’t realize it until she mentioned it, but Arctic was right. Though he wasn’t nearly as nervous as he was before, Aero’s palms still felt uncomfortable from the excitement. With a great degree of caution, he began to slide his hand down her waist. It was already low, but moving his hand brought it dangerously close to her posterior. The tips of his fingers pressed into her delicate flesh through the thin fabric of the dress. Even though he was certain what he was feeling was her ass, he moved a little lower before finally coming to a stop. “Is… this okay?”

Arctic smiled and nodded her head. “That’s perfect. You’re good at this. Who knew?”

Over her shoulder, Aero spotted Silver Shield and his date standing on the sidelines, both glaring at him. “Um… Hey, Sky… You know that guy is watching-“

She pressed a finger to his lips, startling him and silencing him at the same time. “I’m your date, tonight. Remember? I’m the center of your world…” She took a deep breath. “Just as you’re the center of mine…”

Then, before he could react, she leaned into him and pressed her lips gently into his.

Aero was stunned. His heart thundered in his chest at a mile a minute. In front of the senior class, he experienced his first kiss, tasting the soft and tender lips of a mare, but this wasn’t just any mare. Every sense was heightened, and the hairs on his body stood up straight. The lights blurred together, and the music faded into silence. All he could focus on was his sister, and the thrill of tasting her lips.

After what seemed like an eternity, he felt her lips move, as though they were opening and closing. She was kissing him again and again. Realizing she must have wanted him to reciprocate the action, he did the same. As their mouths opened together, however, her tongue slipped into his mouth, gently brushing against his own. Taken by surprise, he let out a muffled moan, but this only seemed to embolden her.

Arctic had him in a tight embrace, with one arm around his back and her other hand planted firmly on his chest. The kiss, led entirely by her, deedened to the point where she actively sought out his tongue, and occasionally, her lips would close around it. Then, her hand, the one on his chest, began to travel. She moved up and down his chest, sometimes reaching his shoulder, but gradually, her hand traveled lower and lower.

Aero could feel it, and warnings flashed in his mind, but he couldn’t speak with his sister’s tongue in his mouth. She was close, now. Too close for comfort and still moving even closer to his groin, where his hardening shaft awaited. He couldn’t believe she’d knowingly reach for his cock. It must have been a mistake. He was certain she would stop once she realized what it was.

This was not the case, however. As the tips of her fingers reached the bulge in his pants, grazing the side of his shaft, she continued downward, running her hand along the length of his cock until she reached the tip. Then, she gave it a gentle, yet very intentional, squeeze.

Aero let out a sharp gasp, effectively ending the kiss. “Sky, what was that? Why did you-“

Arctic kissed him again. It was quicker and sweeter than before, but it still left him speechless. With a serious look on her face, she stared him in the eyes. “Let’s go to the car.”

Then, without looking back, she took off towards the door, dragging him along by his wrist. As they left the gymnasium, the slow song came to an end, and the loud, thumping party music returned. Though they were leaving, Aero couldn’t shake the feeling that the night wasn’t yet over for them.

***

Aero was perplexed by his sister’s sudden desire to leave. Before, it seemed all she wanted was to attend her senior prom, with or without a date. He’d done his part, he thought. He’d gotten her into the event, and he even passed for her date. After a single dance, and a single unexpected kiss, everything she wanted seemed to change. Maybe that was it, the kiss. He feared he’d upset her.

As good as it felt, as good as she tasted, his mind still spun in circles at the thought of kissing Arctic. The lines between wrong and right became a blur.

As they approached the car together, Aero fished the keys from his pocket, and he reached for the driver’s door. Before he could touch the handle, Arctic’s hand met his, stopping him. “Not yet…” He turned to face her. The look in her eyes wasn’t anger or even discontent. “Meet me in the back seat.”

Then, she disappeared into the back of the vehicle, climbing inside and closing the door behind her. His hand was nearly touching the driver’s door, but he faltered. Somehow, he knew he should simply drive her home and hope that would be the end of it, but his curiosity got the better of him.

Aero approached the rear door and entered the car. What he found took his breath away.

Inside, Arctic was waiting for him. She sat opposite to him by the other window. She had already removed her gloves, and now, with her arms behind her back, she worked to unfasten her gown. With a scowl on her face, she slipped the dress from her shoulders, allowing it to fall freely. With her bare chest visible, she reclined into the seat and looked him in the eyes. “Well? Give it to me straight, dork. What do you think of them?”

Aero’s face felt suddenly hot. His eyes darted in all directions, desperately attempting to avoid looking at his sister’s breasts, but it was a lost cause. “I, uh… Wh-What do you mean?”

Arctic let out a frustrated sigh. “My boobs, you idiot. Do you… like them?”

Reluctantly, Aero fixed his gaze on her naked chest. Arctic’s breasts were a sight to behold. They looked well developed, smooth, and they were completed by a pair of rose-colored nipples, now hardened by the chill in the air. They were perfectly round, and utterly beautiful. “They… Um…” He took a nervous breath. “They look nice, I guess… Why do you-“

“You can feel them, if you want.” Arctic licked her lower lip. She scooted closer towards him, closing the distance subtly. “I noticed you looking at them earlier, before we left home. I thought you might want to feel them.”

Aero’s heartbeat pounded in his ears. Arcitc’s words sounded muffled and distant. He could see her mouth moving, but whatever she was saying was a mystery.

She took his hands and brought them close, so close that he could feel the heat radiating from her chest. Then, even closer, until at last his sweaty palms made contact with her flesh. His fingers pressed into her breasts, wrapping around her mounds and squeezing them. “Sk-Sky…”

Arctic’s lips curled into a wide, manic grin. “It’s okay that you like them… I like that you like them. Isn’t that funny…” Her hands squeezed his, prompting him to grope her again. “I also like what you did for me, and I like what happened back there. In fact…” She leaned in closer, so close that her breath touched his cheek. “I want to do it again…”

Without hesitation, Aero leaned in to meet her, closing what little distance remained. He kissed her full on the lips, giving both of her pale breasts a gentle squeeze as he fell on top of her. Beneath him, she moaned and squirmed under his weight, shifting her body to fit into the cramped space. Their lips parted, and once again, his tongue battled hers for oral domination.

While his hands played with her breasts, Arctic’s explored his body, traveling up and down his clothed chest before eventually finding what they were looking for. Aero let out a surprised moan as she grasped the shaft of his cock through his pants, ending the kiss. A malicious chuckle escaped her lips as she fondled his tool. “Mmm… You can’t lie, dork… not to me. You’re enjoying this just as much as I am…” She looked up and met his eyes. “Get up. I want to see it.”

Aero scrambled to do as she demanded. He hurriedly reclined into the seat opposite to her, but before he could even attempt to unfasten his belt and pants, Arctic beat him to it. With her nimble fingers, she made short work of his clothes, removing the belt from her way. With a swift pull, she managed to take not only his pants, but also his briefs down to his knees.

His chest heaved with every breath as his hardened cock stood at full attention in the cold air, in full view of his sister. “Sky… Are you sure about this?”

That strange look returned, the one she had in her eyes before they entered the car. She stared hungrily at his member as she reached ever slowly for the shaft. Finally, her cold fingers grasped his tool, wrapping around it. “Oh, Aero… I’ve never been so sure of anything in my life.”

She up beamed at him, before planting a loving smooch on his lips. Then, she descended on his cock. With her mouth open wide, she swallowed the tip of his shaft whole.

Aero’s chest twisted into knots, over and over again, as wave after wave of foreign sensations washed over him. With his jaw hanging in disbelief, he stared down at Arctic as she swallowed his cock, wrapping it in the warmth and wet seclusion of her mouth. The feeling was completely unexpected, but incredible. Aero never imagined something so taboo could feel so good.

Arctic seemed to be pushing herself to her limit, or perhaps she was simply discovering her limits. She went down on him as far as she physically could, touching her nose to his stomach and gagging on his cock.

As she at last came up for air, gasping, Aero realized she had been playing with herself too. With her free hand, she had slipped her panties off of her waist and down her legs. Now, they were attached by just one ankle, and with nothing in the way, Arctic furiously fingered her box. Now soaked and slick with her saliva, she stroked up and down the length of his shaft. “Hah… Didn’t think I’d ever enjoy doing that, did you? Well… neither did I…” Slowly, she climbed onto the back seat and mounted his lap. Arctic smile widened as she grinded his cock against her slit. “You taste good, Aero… but I need your dick in me, now. You’ll let me have it, won’t you?”

With her breasts in his face, Aero had no place to look but up. Staring into her pleading eyes, he swallowed hard. Alarms fell on deaf ears as his heart pounded in his chest. At that moment, he could only nod. Arctic mashed her lips into his, and as she lifted herself onto the point of his shaft, Aero pierced her slit and penetrated her womb, forever sealing their bond.

Arctic let out a loud cry, only to be silenced when Aero covered her mouth with his hand. “Sky! Sky, are you okay?”

Tears trickled down her cheeks, but she nodded her head. As he removed his hand, she took in sharp breaths. “I’m fi-fine… Yo-You’re just bigger than you lo-look…” After taking a deep breath, a weary smile crept across her lips. “I should… also admit… that you’re my first…”

Gradually, Arctic began to move her hips back and forth, then even up and down. Aero placed his hands in her waist while her arms fell over his shoulders. “Oh, Sky…”

Her breaths were growing more frequent with every passing minute. “Hah! You- Hah… like that, dork? Hah! You like- Hah… having your big sis- Hah… bouncing on your big- Hah… cock?”

Aero, not wanting her to do all of the work, began kissing her chest. Shifting his hand to her breasts, he grabbed one and kissed the other. His lips latched onto her nipple, and acting purely on instinct, he began to tug on her nipple with his mouth.

Arctic must have liked that, because she grabbed onto fistfuls of his mane and pulled hard. “Aero! Oh, baby… Oh, Aero! I- Hah… I love it! Hah… I love- Hah… you!”

Something began to stir inside him. Aero felt dizzy, maybe even sick. His stomach began to twist and churn as something in his core reacted to her movements on his cock. Arctic’s words rang on his ears like a hammer-struck bell. As her breasts bounced in his face, he looked up at her, between her cleavage. “Sky… I… love… you… too…”

In that instance, something visibly changed inside of Arctic. With wide eyes, she stared into his. Then, she kissed him forcefully, breathing heavily through her nose as she started to move again. Up and down, she pierced herself on his cock again and again, harder and faster than before. Though their lips were locked together, that didn’t slow her down.

Aero couldn’t believe what was happening. He was quickly nearing his climax, but Arctic showed no signs of stopping. He tried to open his mouth, to warn her, but she kissed him again, moaning into his mouth as she rode him raw.

Then, she descended for the final time, burying his cock deep inside of her. With their lips still interlocked, she screamed into his mouth. The inner walls of her womb came crashing together, at last pushing Aero over the brink too. He clutched onto his sister’s breasts as he came inside of her. His cock twitched in her womb, squirting load after load of his seed inside of her.

Both siblings panted heavily. The chill in the air was gone, replaced by steam and the musky smell of sex. Even the windows had fogged over.

Slowly, Arctic groaned as she lifted herself off of Aero’s shrinking shaft. She collapsed into a heap next to him, half naked and grinning from ear to ear. “You… idiot…” She teased her fingers into her slit and rubbed herself. When she revealed her fingers again, they were glistening with bodily fluids belonging to both of them. “You… should have told me… you were gonna cum…”

Aero couldn’t figure if she was serious, though her wicked grin was more than telling. “I’m not the idiot… That’s what you really wanted. Isn’t it?”

Rising up to meet him, she planted a loving kiss on his cheek before taking her fingers into her mouth and licking them clean. “You got me… Now, take me home. Play nice, and I’ll suck you off again. Oh, and this time…” Arctic leaned in close, brushing her lips against the lobe of his ear. “I’ll swallow it all…”

***

It wasn’t long before Aero and Arctic made it home, having gone above the speed limit most of the way. However, as they pulled into the driveway, they realized they weren’t alone.

Aero gestured to the other car in front of them. “Look, Sky… Mom and Dad are home.” He turned to look at her. “What do we say?”

Arctic didn’t look half as worried. She offered him a reassuring smile and ruffled his mane with her hand. “Why, we tell them the truth, dork. I went to my senior prom, and you chaperoned me. Now, you’ve brought me home, just like a good little brother…” She touched his cheek, pulling him into a quick kiss on the lips. “Let’s go see Mom and Dad. Then, meet me in my room, okay? I can’t wait to taste more of your cum…”

Without another word, she exited the vehicle.

Aero still couldn’t wrap his mind around what had happened that night. From the first kiss to the kiss of his virginity to his sister, everything seemed like a dream. Maybe it was a dream, and he was just living in her world. Whatever the case, he liked it, and she’d even promised more sex that he couldn’t refuse.

Unaware that he was smiling, Aero hopped out our the car and followed Arctic inside.

***To Be Continued***

Part 2: Seeing Stars

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