The Rewarding Effects of Sibling Sex

“You mean it, Gleam?” Dusk asked in an eager tone, the prospect of more sex making his tired eyes light up. “We can do this again?”

Gleaming said nothing for a second and quietly looked into her brother’s eyes in an effort to study them. With their first act of sex concluded, Dusk no longer seemed to carry that once innocent glint in his eyes. Instead, Gleaming noticed something she saw in Bolero’s eyes the first time they had sex. Need and desire replaced innocence and curiosity, and she knew that whenever one of them would be alone, their minds would always travel to the areas of sex. As bookish as her younger brother was, not even a lesson from the prince himself would sway the young stallion’s mind when he let it wander to the wondrous feelings of sex.

“You bet we can, Dusky,” Gleaming replied with a smile as she moved one hoof down and brushed it against her brother’s penis. “You’re still a bit hard, and I’m curious to see how much energy you have after an all-nighter.”

Remembering he had stayed up all night, Dusk felt the fatigue of no sleep starting to hit his body. Normally he would take a nap until noon and then go to bed at an earlier hour later in the day, but, with his discovery of sex, Dusk knew his weekend schedule would be very different.

“I’m still good to go,” Dusk replied as he breathed heavily. “Besides, a warm shower will wake me up.”

“That’s the spirit,” Gleaming replied as she pulled herself off of his body and looked to the sheets. “You go ahead and turn on the tap. I’m going to strip the bed.”

Nodding in return, both ponies quickly hopped to the floor. Putting a bit of speed into his steps, Dusk travelled out of his room and headed right for the bathroom.

“Hmm, give a stallion a taste of sex and he will crave it forever,” Gleaming chuckled to herself as she lit up her horn and began to pull the sheets off the bed. “Least you won’t think of some silly old tome in your spare time anymore.”

As the final bit of the bed was stripped, Gleaming’s ears perked up at the sound of water starting to run from the shower. She felt her body shudder, knowing very well a second round was going to happen. To go a second round with the youthful energy and eagerness of her brother… it still felt wrong to her, but at the same time it felt so right.

Tossing the sheets to the floor, Gleaming trotted out of the room and entered the bathroom, just in time to notice Dusk already climbing in. Following right behind him, she closed the door behind her, opened the shower curtain, and stepped into the warm shower.

“Mhmm, warm water feels much better now, doesn’t it?” Gleaming asked Dusk as both of them went silent and enjoyed the warm water raining down.

“Ahhh, soothing yet wakes you up at the same time,” Dusk replied with a sigh as he closed his eyes.

For the moment, Gleaming silently agreed with him and let the water beat against their bodies. In a matter of seconds, both their messy bed hair and sticky coats were flat, giving both of them a much more clean look. Both of their manes draped down over their eyes, and both of them quickly pushed the stray pieces to the side in order to look at each other.

“Don’t get too relaxed, Dusky,” Gleaming spoke up as she looked down and saw her brother’s semi-hard erection starting to go flaccid. “You still gotta go one more time with me.”

Quickly opening up his eyes, Dusk watched his sister turn herself around and lay on the wet floor. Once she was on the ground, she raised both her tail and rump in an effort to present herself to him. Once she was set, Gleaming meekly looked over her shoulder and wiggled her rump, causing the young stallion to smirk and move one hoof down to his crotch area.

As Dusk stared at the pussy before him, his eyes stayed widened. Staring at it for a few more seconds, Dusk’s mind quickly became a one way track as his erection returned to its fully hardened state.

I shouldn’t be enjoying this so such. Dusk’s thoughts played out as Gleaming swished her wet tail in front of him. Why am I enjoying this so much? She’s my sister, but I can’t help it.

“Don’t be too eager to stick it in and rut me quickly,” Gleaming suddenly spoke up. “You just came a few minutes ago, so you’ll be a bit more sore now.”

Nodding his head, Dusk knew she was right. As much as he wanted to dick her again, his penis felt more sensitive than before, and it even hurt a bit to touch. Of course he knew the feeling would subside after a few more minutes, and knew that even stroking it slowly would help. Yet even knowing such, Dusk wasted no time and moved himself into position. With Gleaming’s body low enough to the floor, and Dusk’s slightly smaller frame, he was still able to properly mount his sister. Rubbing his wet body against hers, Gleaming let out a blissful sigh and arched her back up slightly. As she did, Gleaming could hear Dusk’s back hooves fidgeting about so he could line his erection up with his target. For a few seconds she felt the tip of it brush against her vagina until the flared head finally managed to slip into her.

“There you go,” Gleaming moaned softly as she braced her body against the floor and moved her forelegs under her chin in order to rest her head on them. “Remember, nice and slow.”

Dusk mhm’d in return. Taking a deep breath, he tried to relax his eager mind. Closing his eyes again, Dusk laid his head against his sister’s back and stayed still for a few seconds, greatly enjoying the closeness of her body.

“Hey, sis?” Dusk spoke out as he nuzzled her back for a second.

“Yes, Dusk?” Gleaming asked back as she felt an inch of his erection slip into her.

“Mhm, you know I really appreciate this, right? I mean… I know this is technically wrong and all, but… I’m happy you’re letting me do this,” Dusk answered as he moved his front hooves close to Gleaming’s body to hug her.

“Anything for you, little brother,” Gleaming replied in a calm and loving tone. “Just remember, this has to be our little secret.”

Dusk nodded his head and Gleaming felt it against her back before Dusk pulled his head up and took another deep breath. As he did, Gleaming felt his body adjust, along with the penis inside of her as well. With momentum behind his body, Dusk slowly moved the rest of his wet penis inside of her.

“Oooohhh, feels just as big as before,” Gleaming cooed as she looked up through watery eyes at the wall before her.

Dusk didn’t reply and instead stayed quiet as his sister’s hot and rather sticky insides greeted his penis fully. With her already loosened up from their previous session, Gleaming felt no pain and Dusk felt no resistance as he felt his cock fully enveloped and his balls resting against her entrance. For a few seconds he let his eager penis tremble inside of her, hardening to the point it actually hurt, but slowly pulling back, Dusk rocked himself against his sister.

“There you go. Start nice and slow so you can enjoy it longer,” Gleaming spoke as Dusk placed his head against her back and kept gently rocking his body. With his penis slowly slipping in and out of her, Dusk could feel his sensitive organ still hurting a bit, but he ignored the pain and continued to do what he was doing.

Even as slow as he was going, Gleaming was enjoying the pace he was taking. In fact, she was enjoying it more now that Dusk was in control and actually staying as close as he was. The way his head rested against her body put her at ease, and she was actually thankful that he was her brother in that moment. The closeness of his own body against hers; there was no fear behind it thanks to their tight bond growing up, and Gleaming was happy she and him spent so much time together as siblings. It improved their bond, made them more comfortable around each other than most siblings were, and made the act of sex… slightly more romantic without the creepy implications behind it.

As seconds ticked away in the shower, both of them remained quiet. Both basked in the sweet sensation of the warm water beating against them, and Gleaming enjoyed the little rutting motions of her brother that slowly and surely got herself more aroused and ready for more fun. As she did, she let out small, lustful moans for her brother to hear, giving him an indication of how great he was doing.

Coming into the shower, Gleaming half expected Dusk to eagerly rut her and get off quickly, yet he showed restraint and went slow because she asked him to. He moved in a nurturing manner, continuously nuzzling her back and making her more horny and wet. Finally, after a bit, Dusk slowly pulled his body away, and from the way his erection moved inside of Gleaming, she knew he was raising up to stand on his back hooves. Eventually he did, and placing one hoof against her flank while moving the other to the wall for support, Dusk was ready to start properly rutting her. Still not saying anything, Gleaming waited for Dusk to start up. With a snort of his nostrils, Dusk began to buck his hips forward at a harder pace.

With the situation heating up, Gleaming relaxed her body and let her little brother work at his own pace. As much as she liked it, Gleaming debated seeing how well Dusk could multi task. Turning her eyes to the wall, she saw a bottle of shampoo sitting in front of her, and part of her wanted to ask Dusk to wash her mane and rut her at the same time. Thinking about the idea, even the thought of sucking him off while he lathered her up made its way into her mind, but as Dusk’s balls slapped against her body repeatedly, she decided against it. Maybe another time or another weekend when the parents weren’t around. Maybe even later on after both of them had a rest, but for now, Gleaming just wanted her brother to enjoy everything.

And enjoy it he did.

He never spoke as he rutted her, nor did he groan and whine about how sensitive and sore his dick was. Instead, he thrusted on, giving Gleaming much satisfaction and enjoyment. His movements were jerky and short, but every thrust went as deep as it could go inside of her. It was good, but Gleaming wanted a bit more from him.

“Dusk,” Gleaming spoke out, causing her brother to move his head up, but not stop his thrusting. “Would you like to do something else?”

“Sure, what’s on your mind?” Dusk asked in return.

“Have you studied the effects of what touching a unicorn’s horn can do at all?”

For a brief second, Dusk thought about what she was asking. Quickly recalling anatomy lessons in the castle, he smiled in return. Without a word, Dusk gave his sister one particular hard thrust and fully hilted his erection inside of her. Gleaming let out a stifled whine, but the feeling quickly ebbed away as Dusk brought his mouth to her horn and licked it.

“Oooh, I’ll take that as a yessss,” Gleaming spoke with a sigh as the slippery tongue moved from the base of her horn all the way to the tip.

Though she spoke, Gleaming felt her entire body seize up and couldn't find the energy to suppress a building moan. As Dusk's tongue repeated the motion, the moan escaped and the tip of her horn started to spark with energy. Watching it spark from so close, Dusk licked the tip of it and pressed his tongue against it in order to cancel it out.

Oh wow, even knows how to cancel out magic as well. Gleaming's thoughts buzzed as Dusk continued to lick away, making her legs shaky, like wet noodles, and putting them on the verge of buckling. "N-not bad, Du-ahh!"

Cut off mid sentence, Gleaming moaned loudly as Dusk ground his hips against her body and found his tongue licking at the base of her horn, making it near impossible for her to concentrate on anything happening. Once Dusk was done playfully grinding his hips against her, he started to pick up speed for thrusting. While he made sure his thrusts were fast and jerky, Dusk moved his tongue at a much different pace. He kept it slow, methodical, agonizing, yet so good that Gleaming didn't want him to stop. He swirled his tongue at the base of her horn and moved up, always making sure no spot was left untouched. When he came to the tip, he gave it a kiss before traveling back down.

Where did you learn to lick a horn so well? Gleaming silently asked herself in her mind as she bit her lip, not being able to mutter any proper words even if she wanted to.

After a few minutes of pleasurable licking, Gleaming found Dusk starting to rut faster and lick less. Thankfully, with all the licking and rutting Gleaming was receiving, she knew her own climax was very close.

"I'm almost there, Dusky," she moaned out, making Dusk snort hot air out of his nostrils and even made him rut her harder.

As her horn sparked with life, Dusk decided to leave her horn alone and settled for focusing purely on bringing her sexual satisfaction. Keeping his thrusts short and jerky, Dusk purposely made sure his medial ring would enter and exit his sister in quick motions. Remembering how good it felt last time, Dusk grinned as Gleaming moaned and enjoyed the feeling of it herself.

Finally it got to the point where Gleaming's moans grew erratic and her backside felt like it was on fire. As much as she enjoyed being dicked like she was, she was amazed and happy Dusk hadn't came inside of her yet. Even as tired and close as he was to an orgasm, Gleaming would finish first.

"Almost there... Almost there... oh gosh, almost there," Gleaming panted wildly as she looked over her shoulder and saw Dusk's eyes clenched tightly shut.

Hearing that she was close, Dusk gave off another snort of air and thrusted his tired hips as fast as they could go. Though the increased pleasure would last for only a few seconds, it was going to give Gleaming a very much needed finish.

Her body buzzed and her climax peaked, and Gleaming could only let out little moans of ecstasy as she came hard.

For Dusk, his eyes opened as he felt her insides tighten around his erection, and he was sure the area around it got much warmer for him. Dusk found himself ecstatic as he realized he outlasted his experienced sister in sex. Of course, with how close he was to joining her in blissful climax, Dusk knew he was lucky to have outlasted her.

With his orgasm starting to get dangerously close, Dusk plowed on, feeling everything in his body tense up for the final moment. As he started to cum, Dusk let out a whine and stopped moving for a second, keeping himself buried inside of her. After a few pulses of his penis, Dusk pulled his erection out and smiled as he watched the final bit of his leftover semen seep out of the tip. Even noticing Gleaming's own juices coating his shaft, Dusk couldn't help but feel a sense of pride for what just happened. Watching it for only a second, he pushed his erection back in and gave off a few more thrusts before he stopped.

"Oooohhh, that felt... grand," Gleaming moaned out, both ponies breathing heavily as the act had finally come to a stop.

"Gotta agree with you, sis," Dusk huffed as his erection started to deflate, making him pull it out. "Gods, I could totally get used to this."

Sitting himself down on the floor, Dusk's eyesight started to blur and his head throbbed. His body was screaming at him to go to bed, and Dusk knew he couldn't argue with it.

"Glad to hear you enjoyed yourself," Gleaming spoke out as she pulled her tired body off the flooring. "I know I enjoyed every second of it."

Both ponies looked at each other for a few seconds and smiled before Gleaming turned her eyes to a nearby bottle of body wash.

"You still got enough energy to help me wash my body, Dusky?" Gleaming asked as she lit up her horn and grabbed the bottle.

Though he was tired, Dusk smiled at his sister and responded.

"After everything that you gave me, I would be happy to,” Dusk replied as he turned his attention to the pink bottle, but stopped as a thought came into his mind. “Umm, sis? Before I do that, can I ask you something?”

“What’s on your mind, little brother?” Gleaming asked as she wiggled the bottle in her magical grasp.

“Well, I know this is our little secret and all… but I’m curious about Bolero,” Dusk spoke back, causing Gleaming to straighten up. “I know you two are a couple and all, but wouldn’t keeping a secret like this from him be bad for your relationship?”

Gleaming went silent and her expression went neutral as she stared and pondered the words her brother spoke.

“You have a point, and it’s a fair one to ask, Dusk,” Gleaming spoke in a calm voice. “And it is one I’ll answer for you. Right now our relationship is in a bind.”

“Oh?” Dusk spoke out.

“I’ll save you the finer details, but let’s just say we agreed that we need a break from each other and are deciding to see other ponies for the time being. We still converse, but for me and him, we are, in a way, taking a break from each other.”

“Hmm, I guess that answers my question,” Dusk replied as he thought about recent times and did notice that Bolero was a little distant from Gleaming. “Still, you two always seemed like a happy couple. I hope you don’t end up fully splitting.”

While Dusk was content with the answer, part of him wanted to learn more about the situation with Gleaming and Bolero. Yet, knowing it was not wise to go into matters that he wasn't fully familiar with, Dusk said nothing more.

“It’s nice to see that you care for us,” Gleaming replied with a smile and a tilt of her head. “And don’t worry about us fully breaking up. Once we even out some personal things between us, I’m sure we'll be together again.”

“Alright, that works for me,” Dusk replied with a smile of his own before he turned to the bottle. “So… Shall I help you wash up?”

“I would love that, Dusk.”