Gay Sex

Agreement Between Siblings

Maya (19) must convince her sibling Jacob (23) to agree in some manner.

Spankmasters
May 4, 2024
11 min read
A Deal with my Brothersisterbrotherandsisterbrothersexual favors
A Deal with my Brother
A Deal with my Brother

Agreement Between Siblings

"I can't, Maya." My 23-year-old brother, Jacob, protested. I asked him for the use of his car over the weekend, but he seemed reluctant. "I need it this weekend!" He complained, leaning against the doorway, wearing a tight-fitting gray shirt.

"Please?" I pleaded, giving him my most pitiful look. He shook his head at me.

"I'm sorry, sis. I can't this weekend." He said regretfully. "How about next week?" He suggested instead.

"But you know my musical festival is this weekend!" I pointed out; it was possible he had forgotten.

"No, Maya." He denied me again before closing his bedroom door in my face. That was rude. I walked back to my bedroom and flopped onto my bed, sighing heavily. How could I persuade Jakey to loan me his car for the weekend? Me and Jessica had to attend this music festival, and while it was true most nineteen-year-olds had been to a music festival, here I was, leaning on my brother. I had no other option but to ponder.

After an hour passed, I came up with a plan to convince Jacob. I was convinced that with my legal skills, he would be powerless to refuse me.

I entered his room and heard strange sounds. Suspicious grunts, trying not to be noticed but still loud enough to reach his door. What was he doing in there? Could it be a workout routine? Opening the door a crack, I discovered the truth: my brother's cock. 6.5 inches with a nice amount of girth, making it proportional to its owner. I gulped at the sight, watching him move his hand up and down it. I could hear him moan through clenched teeth. His free hand went over his mouth to muffle his noises. I was shocked to see my own underwear atop his penis.

"How could he?" I thought, horrified. "When did he take my underwear?" More questions rushed through my thoughts, but then a better idea surfaced: how to convince him. Not through words, but by using my mouth. I could feel my heart racing as I continued to observe him, still gripped by his surprising display.

Cum time. I rushed into the room, yelling internally to hurry. But I could not move; I was frozen. My brother was using my panties as a hand job aid. Except for the fact that it was not just anyone's underwear. They were mine. I gasped quietly, watching him in disbelief.

Surprisingly, the idea popped into my head of how I could convince him. Not verbally, but... maybe I could use my lips. I continued staring at him anxiously as I watched him reach the crescendo of his climax, feeling a strange vacuum in my womb. My pussy ached for him, feeling urgent, and I couldn't believe the thoughts flashing through my mind. I began to imagine his hands holding my waist and pulling me in for a mating ritual. I could feel my mouth opening to take his cock... I couldn't believe I was thinking that!

I was still rubbing my clit, enjoying my fantasy. Jakey's hands felt so good. If only I had suggested him at that moment. It was too late now. What was I thinking? I didn't want him that way! He was cute, sure, but... he was my brother!

A million thoughts raced through my mind. With each movement of his hand, my heart raced as I continued touching myself. I wondered if I could indeed suck his cock. How good it would taste; I felt as if a sense of euphoria would wash over me the moment his semen shot out all over my chest. His moans spurred me on, and before I knew it, my body gave in, followed by my brother's release into my underwear. Both of us took short breaths as we calmed down. I left the room to return to mine to collapse into bed.

Oh my god, I thought. I had just touched myself to my brother's penis. I felt guilt, shame, but also an overwhelming longing to feel him deep inside me. My pussy wanted his cock, especially since it was my own brother's big cock. Fuck, if only I had given in. It was too late now. I lay on my side, looking out the window. It was late. I should sleep... if that were possible. I closed my eyes, trying to shut out the fleeting thoughts of Jacob's big penis filling me up.

The following day dawns, and yet again I'm haunted by the horrid recollections from the previous day. I'd wished it was all just a vivid dream. I find myself trembling with disbelief that I committed such a heinous act - going to my own brother. I swiftly exit my sleeping quarters, only to notice my pussy weeping for his cock. An intense desire to pleasure myself consumes me, yet I control myself as I hasten towards the washroom, away from his door.

I enter the bathroom, making my way towards the shower. I adjust the temperature and step inside, reveling in the warm spray. I whip off my sleepwear, allowing my tits to show freely. Being cold had caused them to stiffen, but I try to convince myself it's not due to the cold.

I make a move towards the shower, but my hand encounters one of my tits. I shudder at the sensation and contemplate the idea of pleasuring myself. Should I? Would it be more gratifying if he were inside me? I contemplate my options and make my choice: the daring one. I take my fingers and insert them, pretending they're his cock. I feel impossibly wet thinking about it. I start slowly rubbing myself, then speeding up moments later. It's incredibly pleasurable, and it makes my thighs feel feeble.

Suddenly, I imagine my brother standing in front of me, his dick between my lips. "Suck it," he'd say. I stick my wet fingers in my mouth, pretending they're his dick, and rub my clit fervently. Images of him entering me aggressively fill my mind. Just as I'm close to climax, I move my hand hastily, grazing my clit. I shudder as I moan, "Jakey! I'm cumming!" I shame-facedly cover my mouth as I question if he heard me. Not a single sound comes from his room, leaving me to feel relieved.

Wrapping a towel around my body, I open the door. I'm stunned to see him standing there, his cock erect and ready. He's equally surprised. "Uhm..." I squeak, trying to sound casual. "Hi, Jakey?" I greet him. He appears pale as guilt washes over him. But his dick is still erect.

"H-Hi, Maya." He replies, making an attempt to cover up while also acknowledging his obvious arousal - his face is telling. He knows I caught him looking while I was showering.

"What were you looking at?" I quip, attempting to shift his need for a good explanation.

"W-What were you looking at?" Uneasy, he questions me.

"You were watching me shower, weren't you?" I accuse him. His cock twitches, confirming my suspicions.

"N-No!" He denies, but his response lacks sincerity. He's not being honest with me.

"Oh yeah? Then why's your dick hard?" I tease him, though secretly wanting to hear him admit it.

"Uhm..." He seeks a response. "I..." He pauses, troubled by the confession he can't bring himself to make.

"I saw you last night," I mutter into his ear, "fucking my panties..." I then touch his cock with my hand. His dick perks up further.

"I didn't..." He argues. "Just checking for excess tissues..." He stammers, trying to come up with an acceptable excuse.

"Oh really?" I act surprised. "While your cock is hard like that?" I undo his trousers, jerking him off while observing his reaction.

"I-I can't," he stammered, reaching for his trousers.

"What?" I challenge him. "You were so eager last night and now, suddenly you're incapable?" I flip my hair and purr into his ear.

"I-I can't..." His words trail off, revealing that he'd like to but feels regretful.

"If you let me borrow that car, you can do anything you want to me... as long as you want." I purr, my lips leaning into his earlobe.

Here's a paraphrased version of your story:

"You know, I'm serious when I speak, Jake. You can thrust hard into my throat anytime you like; insert that giant cock into my tight ass; you can even spill a bunch of semen deep inside my pussy and create a taboo baby in me." I suggest to him as I slowly jerk him off once more. He places his hands on my butt and squeezes lightly. I gaze into his eyes, and then before I realize it, our tongues are locked together. My heart beats rapidly at this sudden turn of events. I draw back and laugh at his keenness. "You certainly like this concept, right, Jake?" I say, ceasing my touch and starting to stroll away. "If you're looking for a fuck, make your way to my room~" My words leave his face with an unhappy look, but I can tell he'll be in my room shortly.

An hour ticks by, and I'm seated expectantly on the bed, remaining unclothed after my shower. I stimulate myself as I wait for Jake to come and knock me up any moment now. I exaggerate my moans.

"Ah! Jakey, come in and fuck me!" I shout in glee as I caress myself, all to get him riled up. I keep groaning like a lustful creature, ultimately resulting in a knock at the door. "Give me a second~" I declare, well aware of what's about to ensue. I open it, and standing there is my older brother. His cock is upright, standing out prominently at me as he comes fully naked.

"Mya..." He begins, "can I..." He considers his options. "Can you suck my dick first? Then I'll figure out how I feel?" He inquires cautiously. I grin knowing my intentional masturbatory groans have done their job. I take him by the hand to my bed. I position him on the edge of it and sit on my knees in front of him. His impressive rod is stark before my lips, making my mouth water again.

"Wow, so big for your little sister..." I tease him.

"Don't~" He tries to hold back.

"Okay..." I abbreviate his sentence. I pull his penis into my mouth, and he utters a groan. I begin moving my head up and down to his rhythm, licking along his shaft. He moans crazily, which only excites me more. His penis tastes slightly salty, and I find it divine. My big brother's cock is mouthwatering. I savor his member with relish, bobbing him back and forth deep into my throat, then back up again. He emits a moan with each movement. I take him out of my mouth and spit a string of drool onto his head. I begin speeding up my masturbation methods, making him moan loudly.

"Do you fantasize about me?" I inquisitively ask him. I notice his cock twitch.

"Y-Yes." He utters, his voice throbbing with desire.

"Cool, I enjoy witnessing you all primal. It's really attractive." I concur, though I'm equally kinky for having his cock in my mouth.

"H-Hang on." he starts to say,

"What's that?" I question him, my curiosity piqued.

"C-Can I fuck you?" he tentatively inquires. His voice is fraught with anxiety; it's extremely hot to see my confident brother reduced to a horny mess.

"Sure, my brother!" I happily respond. I lube my brother's shaft up with my tongue. I ensure to cover his dick from base to tip with my saliva. I then hop on my bed and take up a quadruped stance, exposing my ass. He slowly proceeds towards me and places his hands on my butt.

"C-Can I..." He hesitates to speak.

"Can you what?" I inquire, eager but aloof.

"Can I lick your buttocks?" He hesitantly asks. I guffaw at his request; this isn't something I ever imagined occurring, or even desired. [

"What do you dream of, then? Your sister sucking your cock and then eating her own ass afterward?" I taunt you further. "Come on, big brother! My ass is definitely clean and all yours!" I shake my butt in the air to tempt you; it works. You move your face to where my ass is. I can feel your breath on me, which sends a thrilling shiver through me. I sense your tongue beginning to wiggle inside my ass, like a squirming, slick worm, rubbing against my hole. This feels astounding, but also so wrong. "Enjoy your little sister's ass?" I inquire as I moan enthusiastically. You pull away from me to respond.

"Indeed, you taste incredible." You say with the hunger of an animal.

"My large brother possesses a sizable cock! My broad buttocks are all yours," I tease.

"Why do you constantly refer to me as 'big brother'?" You inquire between ass licking.

"Because you're my big brother... with a big cock!" I say with a grin. "I'm trying to make you feel shame for screwing your little sister," I tease you. Suddenly, I notice you're masturbating now, causing me to giggle softly. "Well, that won't work!" I decide. You intensify your licking in me, which results in an unbelievable sense of euphoria. I scream with each lick before acquiring the nerve to pose the big question. "Ready to screw me?" I inquire with eagerness. You remove your mouth.

"Jesus Christ, yes." You pant. Despite my mouth being dried up from your saliva, my pussy is overflowing with juices. So much so that it makes no difference. You get on your knees behind me, allowing me to willingly spread my legs open before the vast tip of your penis gently nudges its way into me. You gradually ease your entire length into me. This feeling is extraordinary, as if I was crafted to be screwed by you alone.

"You ready, big brother?" I ask with genuine interest. Suddenly, you pull back, then hastily thrust back into me, causing me to emanate louder moans than ever before. I emit a moan with each penetration. "No condom?" I query. You take this as a signal to fuck me faster, aiming to fulfill it. I attempt to keep my upper half elevated with my hands, however my strength fails me as you continue pounding his cock into my pussy. We begin slapping our bodies against each other, which amplifies the pleasure. Eventually, my arms grow so weak that my top half falls down, but I keep my ass raised, willing the sex to continue.

"You teased me for craving you... but I'm no different!" You exclaim as you drop your weight on my back, holding my breasts. They tingle at your grasp. "I heard you moaning yesterday," you declare, and as you thrust harder into me, I gasp at the sensation.

"Yes." I confirm honestly. "When I watched you, it really turned me on!" I openly confess. "So, what do I feel now?" I inquire. You decline to answer verbally but continues ravenously screwing me. "I want to be screwed like this every day," I whisper to you while biting my lip. This must be the missing trigger, as you begin to screw me even faster than before. My pussy has already released my pleasure twice. Our bodies harshly collide during our lovemaking, providing us with immeasurable gratification. I wish for this to never stop, until I hear you announce:

"I'm... I'm about to cum!" You proclaim to me. I grin excitedly as I anticipate the impending explosion.

"Cum on my tits, big brother! I want your semen on me!" I cry out through my moans. You withdraw your penis from me and flip me over, my body wobbles. You begin stroking your penis before you pronounce:

"I'm cumming!" You climax, shooting your load all over my tits. It feels delightful upon my skin. I glance at you; you appear exhausted.

"How was that?" I inquire with a smile.

"Remorseful..." You acknowledge, apparent in both your voice and demeanor.

If you genuinely feel you don't desire this again, that's cool. As I go in to murmur into your ear once more, I hold your dick firmly. "However," I palpate your manhood, "I'll never cease craving this tool." He swallows.

"W-, might we skip the intercourse then? Merely oral and manual action?" He enquires.

"Toilet sex instead of vaginal?" I throw out a suggestion, which causes him to gasp.

"I-I'd welcome that." He confesses, his tone quivering. I snicker.

"Good." I beckon him with my outstretched palm.

"What for?" He queries.

"Your keys, you know the arrangement." I tease.

"Uhmmm..." He ponders. "Shall I experience anal intercourse once?" He retorts cheekily. I chuckle at him.

"Indeed." I bend my head toward his penis. "Here, I'll make you slick!" I take his penis into my mouth and spit on it.

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