My Sister Sienna – Sex Stories

My Sister Sienna – Sex Stories

My kid sister Sienna had been acting strange the last few months. She had turned twelve just six months earlier in January and since then I’d noticed a gradual change in her. I was her seventeen year old brother and we had a typical older brother-younger sister relationship, where she could be a brat at times and get on my nerves, wanting to hang out with me all the time. I mean what seventeen year old guy wants his kid sister hanging out with him? I sure as hell didn’t, as I’d be the laughing stock of my high school. She was more physical with me, wanting to be near me, brush against me, wanting me to give her a hug. I had to keep telling her to stop bugging me, but it had little effect.

I asked Mom about it and she said it was because she was going through puberty and just to ignore it but to be nice to her. I noticed the way she was changing physically; she seemed to have spurted up the last six months. I remember her on her eleventh birthday in her swimsuit. It was a lime-green one-piece and she was straight up and down like a bean pole, and she had little bumps for breasts.

Now just a year later she had more curves, her hips flared out from her still small waist; I could almost span it with two hands and her ass was getting nicely rounded. Now I noticed that those little buds she had for breasts were now more like swells. My little sister was growing breasts, real breasts, how about that. Then the strangest thing happened; my pal Jimmy Clark and I were hanging out at our pool as school was out for the summer; Sienna came out with her best friend April, a cute little blue-eyed blonde. Sienna had on a lemon-yellow one-piece swimsuit and I could see the small swells of her breasts inside and tiny nipples poking at the thin material and a small camel toe.

I started to get an erection. It was lucky that I wasn’t in a swimsuit as the bulge would have been noticeable. As it was I had on a pair of loose cargo pants. I couldn’t take my eyes off her small body, the tight cleft between a pair of nicely rounded buttocks. I found myself liking what I saw and my erection echoed the feeling.

“Jimmy bro, you think my kid sister’s kinda sexy?” I asked.

“Sexy!? Hell no. She’s just a kid Brian. Now Bianca, the girl in a grade below us is so fucking hot I’d love to see her naked.”

“Yeah I’d love to fuck her,” I said steering the conversation away from my sister lest Jimmy would think I was some kind of pervert like Mr. James, our math teacher.

I watched Sienna from the anonymity of my sunglasses as she splashed and swam in the pool, marveling at her petite sexy body. With her swimsuit now wet it clung to her body revealing the outline of her small breasts and nipples as well as her plump pussy. I had seen women’s pussies on the internet but there was something about a young girls’ pussy that was different, sexier. Sienna’s, unlike her friend April’s, seemed too large in relationship to her small body. It rose up between her bony hips, a delta-shaped pad with plump labia showing a nice camel toe. I wondered if she had any hair down there.

Chapter Two
Early evening I was watching television with Mom. Dad was off in his basement wood shop making something or other. Sienna came downstairs wearing a simple cotton top and shorts after taking a shower to wash off the chlorine from the pool. She looked at me and I couldn’t help looking at her boobs inside her top. I could feel my cheeks getting a deeper shade of pink. She smiled and came over and sat on my lap with her back to me. I didn’t know what to do for a minute, my arms were lying by my side. Sienna took both my hands and wrapped them around herself putting them on her waist and leaned back against my shoulder.

“It’s okay Brian, I won’t break,” she whispered. Mom looked up from the book she was reading and smiled then went back to her book. I wasn’t sure what the smile was about but when Mom smiles that way it’s a sort of ‘I know what’s going on’ smile. The pressure of Sienna’s butt in my crotch had the desired effect – an erection. It started slow but as it grew and more pressure was put on it, it hardened into a full-on boner. There was no way my sister couldn’t feel it pressing into her bum crack. I was getting uncomfortable, uncomfortably aroused.

“Gotta go pee,” I whispered in Sienna’s ear.

She wiggled her bum. “No you don’t,” she said “I kinda like feeling your boner.” Mom looked up again and smiled. Did she have some sort of Mom radar that told her I had a raging erection and my little sister was not just sitting on it but enjoying the feeling of it pushing against her bum?

Finally Sienna got up and headed for the kitchen. I took the opportunity to head upstairs to my bathroom (all the bedrooms had bathrooms). It didn’t take but half a dozen good strokes for me to cum. I couldn’t believe how much I shot into the sink.

Chapter Three
The following day, Mom and Dad had gone grocery shopping and I was alone in the house with Sienna. I hadn’t seen her for a while so I went upstairs to her bedroom. She had left the door partly open, something she rarely did as she valued her privacy evidenced by the

sign on her door. I peeked inside and she was lying on top of her bed with her back to me and she had a pillow folded in half and she was humping it. Her tee-shirt rode up and I could see that she was wearing a pair of powder-blue cotton panties that had gotten caught up in the crack of her bum exposing two gorgeous little cheeks. She was moaning as she masturbated – fucking the pillow. I wondered who the pillow represented – some new pop star probably.

“Ah, so the door was left open for my benefit,” I said under my breath. My little sister is coming on to me and I was loving it. Maybe the pillow she was humping was me.

I couldn’t stand it any more, so I fished my rock hard rod out of my pants and started to masturbate. She was moaning loudly now and I heard a few grunts as she climaxed. I was close behind and barely caught my cum in my other hand. I got to my bathroom just in time as my cum started to run between my fingers.

“God that was so hot,” I said to my bathroom mirror.

I went back downstairs where Sienna was sitting at the kitchen island eating out of a bag of sea salt and vinegar chips. Hmm, masturbation must make her hungry too, I thought as I reached into the bag and grabbed a few chips before she could pull it away.

“Get your own bag Brian,” she said. I tried to grab the bag off her but she pulled it away. She tried to keep it away from me but I was taller. I grabbed again but she was too quick; she jumped off the stool and ran into the living room giggling furiously. This was war. I ran after her and managed to dive and grab a leg. We both went rolling over, the bag burst open and chips went everywhere. Fortunately there weren’t that many left but it still left a mess. As she tried to scramble away I grabbed her around her waist but she slipped lower trying to get out of my grip and my hands found her breasts.

We both froze as my hands cupped a pair of very petite and very firm young breasts. She didn’t try and get away but lay there while I gently massage her breasts through the thin cotton of her camisole. She started breathing a little heavier as I squeezed them and pinched her nipples between my thumb and finger, feeling them firm up into little beads. Then I heard the front door open and we both scrambled to get up.

“What’s going on in here?” Mom asked as I was busily picking up the chips.

“Oh the bag burst that’s all Mom.” She looked at me and then at Sienna who had a slight redness to her cheeks.

Mom smiled. There was that mom radar again. “Make sure you get all of them,” she said as Dad came in carrying two grocery bags.

“What’s going on?” he said.

“Nothing to concern yourself with Michael,” Mom replied. There was that radar induced smile again.

I saw Sienna in the living room where she was using the Dyson hand vac to suck up the remnants of the chips. I tried to talk to her but she put the vac in my hands and headed upstairs. Ten minutes later I knocked on her now closed door.

“Come in,” she said.

I entered her bedroom and shut the door behind me. “Sorry Sis, didn’t mean to grab your tits.”

“S’okay,” she replied with a slight blush in her face, “I kinda liked it.”

“You did?”

“Uh-huh. Isn’t that what all you boys try to do, you know . . . cop a feel of a girls tits?”

“I guess. But yours are a lot firmer than Tracy Lehman’s.”

“You’ve felt Tracey’s tits?”

“Yeah, grabbed a feel from behind the other day. They’re not very big and they were soft. It was like grabbing a couple of partly filled water balloons.”

“I guessed as much when I saw her in the showers after basketball practice. They jiggled a lot. What other girls have you felt up?”

“Jenny Carter and Mary Brewer.”

“Jenny’s okay but Mary’s a slut.”

“Yeah, I kinda like Jenny; she plays hard to get” She has very small ones though. Mary offered to blow me if I wanted her to.”

“And did you?”

“Heck no.”

“Why not?”

“My buddy Jimmie let her blow him and she spread a rumor that he was gay and couldn’t get it up but I know better.”

“Yeah I heard that one. So you’ve seen Jimmy with a hard on?”

“Yeah we . . . you know . . . jerk off together.”

“You jacked him off?”

“Hold his dick? Heck no I aint no queer.”

“Can I ask you something Brian?”

“Uh-huh but I might not answer you.”

“You a virgin?”

“I’m not sure I should say.”


“Look Sis, if it got out who I fucked it wouldn’t be pretty.”

“Now you’re making me very curious.”

“If I say I’m not, will you wanna know who I did it with?”

“Not really.”

“Then I’m not a virgin – had my cherry popped last year.”

“Who was it? Was it someone I know?”

“Not fair Sis. You said you wouldn’t ask.”

“Oh come on Brian, how bad can it be?”

A horrified look spread across her face. “No Brian. Please tell me it wasn’t Toni Maddison”

I knew the she and Toni were not on very good terms after Toni had told her that she was going to get me to fuck her if it took all summer.

“Heck no. I wouldn’t do that to you.”

“Then who?”

“Promise me that this will remain between just the two of us.”


“No, I’m serious Sienna. You can’t tell anyone, not even April.”

“Okay I promise. Now put me out of my misery.”

“It was Mrs. Jenkins,” I whispered.

Sienna’s eyes opened wide and she put her hand over her open mouth. I knew it would surprise the crap out of her.

“Mrs. Jenkins our Phys-Ed teacher?” she whispered.

I just nodded. Then a smile crossed her face. “Come on Brian that’s not funny.”

“I’m not joking Sis.”

“Oh – My – God,” she said. “How did it happen?”

“I had just showered after football practice. Coach didn’t like the way I ran the last play so he made me stay behind and practice for thirty minutes so I was alone in the showers. Mrs. Jenkins came into the locker room where I had just finished drying off.”

“She came in the boys showers? Did she she you naked?”

“Yeah. She told me to get dressed and come to her office but not before getting a good look at my dick that was starting to get bigger. Ten minutes later I went to her office. She closed the door and pushed me up against the wall and said she wanted to fuck me.”

“Just like that?”

“Just like that. She said to meet her outside the south entrance to the mall on Saturday afternoon at one o’clock.”

“And you met her?”

“Jeez Sienna. She’s one hot babe. All the guys said they’d fuck her in a heartbeat. I got in her car and she drove to the bottom of Higgins Lane and we did it on the back seat.”

“What was it like?”

“You want me to draw a map? We fucked okay and it was amazing.” For a moment I thought I saw jealousy on my sister’s face.

“You gonna do it again?”

“No. She made it clear that it was a one-time thing and that if she caught a whiff of a rumor that we had done it, then I would be expelled. ‘It’s just my word against yours and we all know boys like to fantasize,’ she said.”

“Jeez. Who’d have thought Mrs. Jenkins. I heard a rumor that she had hit on a couple of girls so she must be bi.”

“This is between us, okay?”

“Yeah, won’t say a word. God I wish Mr. Norman would make a pass at me.”

“I don’t have any classes with him. What’s he like?”

“He teaches Art and he’s tall, blond hair, extremely good looking and sexy as hell. All my friends say they wished he would make a pass at them but we all know that’s never going to happen. Rumor has it he’s gay.”

“So you wanna lose your virginity?”

“Yeah. I wish I could just get it over with. It bothers me that I haven’t done it like most of my friends have.”

“Then why don’t you go ahead and do it?”

“I could but what happens if the guy goes bragging to his buddies that he just fucked Sienna Jones, or I wasn’t good enough and he didn’t like it. Shit, I don’t know what to do.”

“Has April done it yet?”

“No, she’s still a virgin and we talk about it all the time. She desperately wants to lose hers but has the same fears.”

“You mean girls are like guys, always talking about sex and stuff?”

“You’d be surprised.”

Chapter Four
After the incident when I grabbed my sister’s tits, she seemed to act different somehow. She seemed more flirty, particularly when we were alone. My attitude toward her had changed a lot as well. I wanted to be around her more often than before. What amazed me was that she really turned me on and I desired her. Dad was out playing golf and Mom was visiting our grandfather in the assisted living place. Sienna was in the kitchen eating a bowl of cornflakes. I walked up behind her and put my arms around her waist and kissed the side of her neck.

“What was that all about?” she asked.

“I just fancied kissing my sister.”

“You’ve never done that before,” she said.

I moved my hands up and cupped her breasts. She wasn’t wearing a bra and I could feel her nipples getting hard in the palms of my hands through her cotton top. She offered no resistance.

“But you’ve done that before,” she said.

“I know and I liked it. Do you like it too?”

“Yeah, it’s nice. I’ve only had one boy cop a feel and I didn’t much care for it as it was a quick grab and he was outta there before I could punch him.”

“Don’t get mad or anything if I tell you something.”


“I saw you masturbating the other day. You’d left you bedroom door open and I saw you on your bed humping your pillow. You’re not mad at me are you?”

“You’re such a doofus at times Brian. I left the door open so you could watch.”

“You did? Why?”

“Dunno. I guess I wanted to see what it felt like with someone watching me do it. I got a really good cum though knowing you were standing there.”

“How did you know I was watching?”

“The dresser mirror. Why did you think I was facing away from you?”

“I thought maybe you were shy or something.”

“I know you do it as well. I heard you one time. Can I ask you something?”

“I guess, what?”

“I’ve only ever seen a guy do it on the Internet. Would you let me watch you?”

“You wanna watch me beat off?”

“Yeah. It’d be exciting. I’ll let you watch me do it.”

I was getting really turned on by this and she kept pushing back at my erection that lay against the crack of her butt.

“You wanna do it now?” I asked.

“Yeah, I can see that you’re already hard.”

She jumped off the stool and headed upstairs to her bathroom. I followed close behind watching her nice butt inside her tight cotton shorts. I have found myself looking at her a lot more, seeing her small tits inside whatever top she was wearing, nipples poking if she wasn’t wearing a bra, and she did have a nice ass. I loved girls’ asses as much if not more than any other part of their anatomy. Inside the bathroom she sat on the closed lid of the toilet. I was either going to be totally embarrassed at doing this or totally turned on. Only my best buddy Jimmy Clark had seen me with an erection as we would beat off together on occasions.

I undid the snap at the top of my shorts, pulled the zipper down and let them fall to the floor. My erection tented the front of my boxers and as I dropped them Sienna’s eyes got really big as she saw my cock for the first time.

“Wow,” she said. I didn’t know it was that big.”

I fisted my shaft and started to masturbate while my twelve year old kid sister watched. I was surprised that I wasn’t embarrassed. In fact I was enjoying it. The look on her face was nothing short of amazing. She had her mouth open the whole time engrossed in what I was doing. I knew it wouldn’t be long before I came as the sight of Sienna watching me was extremely exciting.

“Cumming Sis,” I cried as I felt my cock swell. I put my hand on her shoulder to steady myself as my legs were getting shaky. The first long creamy rope splashed against the inside of the tub, followed by a second and third weaker spurts. Sienna had her hand over her mouth watching me cum. When I was done and squeezed the last of semen out of the end, she surprised me.

“Can I see what it feels like?” she asked.

I offered her my hand with the last of my cum. She dipped her finger in it and rubbed it between her thumb and finger.

“It’s sticky,” she said. She raised it to her nose and smelled it. “Smells funny but not bad like I thought it would.”

A tentative tongue touched my cum. She savored it like she was tasting a stew to see if it needed any more salt.

“What do you think?” I asked.

“S’okay. Little salty.”

I put my clothes back on and washed the inside of the tub with the portable shower head.

“Can I see you do it now?”

“Sorry Brian, I’m on my period. Should be done by Wednesday.”

Chapter Five

The next few days passed way to slow for my liking, and it was made worse by Sienna smiling that knowing smile every time she looked at me. Mom noticed.

“What’s up with you two lately?” she asked. “I haven’t seen you so nice to each other.”

“Well she is my sister and I love her so why shouldn’t I be nice to her?”

Thankfully Mom dropped it. Wednesday finally rolled around and with Mom and Dad at work we had free reign. I had just finished eating a ham sandwich for lunch when Sienna came up behind me and hugged me around my chest.

“You wanna fool around?” she asked.

I didn’t need asking twice. “Okay, your room?”

I followed her up the stairs and into her bedroom. I shut the door behind me. I must have had a stupid shit-eating grin on my face as I watched her get undressed. Her top came off first, then her un-lined cotton bra, revealing a petite pair of breasts, with darkening areolas and tiny nipples.

“Jeez sis, you’ve got a really nice pair of tits.”

“I’m glad you like them as they’re the only pair I’ve got,” she said giggling.

She was wearing just a pair of powder-blue boyshort style panties and I could see how plump her pussy was coddled in the cotton crotch, filling the space between her slim thighs. She got on the bed.

“You wanna pull my panties off?”

I sat on the edge of the bed and hooked my fingers inside the elasticated waist and tugged. She had a wicked smile on her face as she lifted her bum allowing me to pull them off. I’m sure my mouth was open as I stared at her gorgeous pussy. It was like a large vee-shaped pad rising up from her flat, almost concave tummy. I could see a smattering of light-brown straight hairs that stopped just short of her cleft formed by very plump labia. Her small clitoral sheath was barely visible but as she ran her finger along her sheath parting her labia her small sheath with its inner wings came into view.

My cock was straining inside my shorts so I got up and removed them together with my boxers. Sienna looked at my erection as she diddled her clit, occasionally moving her finger back down and penetrating her vagina, getting more moisture before returning to pleasuring herself.

“Go ahead and rub your cock,” she said.

I started stroking as I watched her masturbate. She had her eyes closed and was biting her bottom lip as she seemed to be concentrating. Her breathing started to get faster and shorter; her nostrils flared as she breathed out through her nose. She was making small noises now, like uhs or ughs. Then she arched her back – only her head and heels touched the bed. It was if all her muscles were tensed up. Then she let out a long moan and sank back to the mattress; her body started to jerk as she furiously rubbed her clit.

It was way too much; I was on sensory overload as I watched my kid sister cum. My cock swelled and I spurted a large rope of cum onto Sienna’s tits; a second spurt hit her shoulder and the last three weaker spurts dropped onto the bed. I was still panting as she opened her eyes and started to rub my cum around her tits. If I could I would have climaxed again at the very sexy sight.

“You made a mess Brian. You wanna get me a damp washcloth and clean up?”

“Sorry Sis, it was too much watching you cum like that.”

“That was the best orgasm I’ve ever had,” she said as I cleaned most of my cum off her tits and shoulder. I wiped up the cum off the bed but there was still a stain there that I hoped Mom wouldn’t notice.

“You wanna fool around some more?” she said.

“You mean like masturbating and stuff?”

“I had something else in mind.”

“Like what?” I asked, now intrigued. I wondered if she wanted to go the whole way. The thought of fucking my twelve year old sister gave me a very nice tingly feeling inside.

“Well. I could maybe jack you off or maybe suck you but you have to promise to shower beforehand as I don’t want to put a dirty dick in my mouth.”

“Yeah, that sounds like fun and maybe I could repay the favor,”

“Like what?”

“I could go down on you . . . you know make you cum with my tongue. I’ve seen it on the Internet.”

“Oh yes, that definitely sound like fun to me.”

Chapter Six
I was over the moon with my new relationship with my kid sister. If you’d told me a few weeks back that I would be having great sex with a twelve year old I would smacked you up the side of the head and told you to go fuck yourself. It was Saturday morning and the usual ritual of Dad playing golf and Mom grocery shopping had settled over the Jones’s residence. Sienna’s bedroom door was open and she was lying on her bed with her iPhone in her hand and ear buds in. She had her eyes closed and her feet were moving to an unheard beat. I tapped her shoulder.

“Oh hi Brian,” she said after pulling the ear buds out.

“I just took a shower,” I said.


“I said I just took a shower.”

“I heard you the first . . . Oh I get it. Nice and clean is it?”

“Clean enough to eat,” I replied as I dropped my shorts and got out of my boxers. Sienna got a washcloth from the bathroom.

“What’s that for?” I asked.

“In case I don’t want to swallow,” she replied.

I lay on my back on her bed and she slipped the ear buds back in; she grasped the shaft, lifted it upright, and lowered her mouth over the head. I gasped as her bottom teeth raked my frenulum.

“Sorry-sorry-sorry,” she said as she pulled her ear buds out. “I’ve never done this before.”

“You’ve watched it on the Internet though,” I chided. “Use your tongue sis.”

“Okay-okay, don’t get your panties wadded up.” She went back to sucking my cock while rubbing its shaft. She didn’t put those damn ear buds back in. I had no idea why she wanted to listen to music while blowing me anyway. She was getting better now, cushioning her bottom teeth with her tongue.

“You better tell me when you’re about to come Brian or this may be the one and only time I blow you.”

She started rubbing my shaft faster and her tongue was driving me crazy as she swirled it around the head. I could feel that nice warm glow in my groin as my orgasm started to rise; my legs and my butt twitched. Then my ball sack tightened up.

“Very close Sis.” I said as I felt my cock swell and contract. She flinched a little as the first spurt of cum hit the back of her throat but she didn’t pull off me; she kept jacking me as more cum spurted, filling her mouth. I was finally finished and looked at her. She had the washcloth in her hand; she couldn’t decide whether to spit my cum out or swallow it. She looked at me with slightly bulging cheeks and swallowed hard.

“Good God Sienna. That has to be one of the sexiest sights I’ve ever seen.”

She wiped her lips with the washcloth. “It actually wasn’t too bad,” she said. “I surprised me at first since I didn’t realize how hard you spurted. I guess I should have known when you masturbated and it shot a good two feet into the tub. How was I?”

“Fantastic. When you start dating, your boyfriends are gonna love you. But be careful who you do it with as it’s easy to get labeled a slut. You want me to do you now?”

“Yeah why not. I’m horny from doing you but I haven’t showered yet. Let me go clean up.”

I watched as she ran about six inches of water in the tub. She took her shorts and panties off and crouched down; after soaping her hand she proceeded to wash her pussy. When she’d splashed some water up to rinse off she got out and dried herself.

“There, nice and clean. Clean enough to eat,” she said and giggled.

She got back on her bed, bent her knees and opened her legs.

“You do know what to do don’t you?”

“Yup, seen it enough times on the Internet.”

I got between her legs; her slit was partially open from her washing it and the pink folds inside were glistening with moisture and it wasn’t water, it was a slightly creamy colored liquid. I had seen some guys cocks covered in the girl’s creamy liquid in porn videos.

“You always get this creamy stuff?” I asked.

“Uh-huh. Why, does it turn you off?”

“No, I don’t think so.”

I licked at it; it tasted a little tangy but not bad at all.

“Tastes okay,” I said.

I started licking her pussy all the way from the opening to her vagina to her clit that was now quite firm and poking out of its hood. She gave little gasps as I sucked on it.

“Gawd Brian, that’s so fucking good. You do know what you’re doing.”

I felt little movements in her bum and legs – just tics at first then jerks as she neared her orgasm. I put two fingers in her pussy that cause her to gasp loudly.

“Oh yes, finger fuck me,” she cried. Her whole body tensed up as her orgasm crashed into her.

“Oh Jeez,” she cried. Then she started bucking on the bed as I finger fucked her and sucked on her clit. She shook for nearly a minute and I was jealous as mine only lasted fifteen seconds at the most.

She finally calmed down and opened her eyes. I was sitting on the edge of the bed sucking her creamy juices off my fingers.

“Gawd that was so intense. I had no idea a tongue could bring me to such an incredible orgasm. Thanks Brian, we gotta do this again.”

Chapter Seven
Over the next three weeks, Sienna and I had sex probably three times a week. I think Mom was getting suspicious as I hugged my sister a lot more than I used to and we spend more time in each other’s rooms. Mom actually sat down and had a little talk with Sienna.

“What did Mom say Sis?”

“She said she’d noticed a change in how you treated me and wanted to know if there was anything going on between us.”

“What did you say?”

“I told her we fucked three times a week! What did you think I said? I asked what she meant?”

“She said ‘are you and your brother fooling around.’ ”

“I asked her what she meant.”

She said ‘you know exactly what I mean Sienna.’ ”

“I said ‘you mean having sex? Good God Mom, what do you think I am? Sex with Brian, purlease give me a break.’ ”

“Did that satisfy her?”

“I’m not sure. She seemed to be okay with it. Maybe we need to cool off the hugs and stuff while they’re around. We can still do it in private. You know there’s one thing we haven’t done yet?”

Intercourse was the first thing that came to mind. “What’s that?”

“We’ve never really kissed. I mean . . . you know on the lips. I’ve never had someone really kiss me. All I get from the boys my age as sloppy wet ones – like the ones our Aunt Martha gives me – yuck.”

“Yeah I know what you mean. I get them as well. I try to be scarce when she comes to visit but you know Mom – ‘come on now Brian, let your aunt kiss you.’ ”

She put her arms around my neck and got on tiptoe. I had my hands on her ass as I tilted my head and touched my lips to hers. Her mouth opened and a tentative tongue touched mine. Then it was as if she kicked it into afterburner mode; our mouths opened wide and our tongues danced. She’d suck my tongue and I’d suck hers. It was an incredible feeling kissing my twelve year old sister. She pressed herself against the bulge of my erection inside my shorts. After a minute she broke off.

“Good Lord Sienna, where on earth did you learn to kiss like that?”

What she said surprised me. “I didn’t,” she replied, “it just felt like the right thing to do.”

We lay down on her bed and made out for the next hour. She had her hand inside my loosened shorts squeezing my hard cock while mine was inside her panties diddling her clit, all the while French kissing. It was the most incredible make-out session I’d ever had. She came twice while I rubbed her clit. I was close.

“I’m going to make a mess of my clothes and your bed if we carry on like this,” I finally said as I felt my climax near.”

“Let me take care of you,” she said as she tugged my clothes down.

“But I haven’t washed,” I told her.

“Can’t wait,” she said, “gotta have your cock on my mouth.”

With that she went down on me and in half a minute I came in her mouth. She swallowed and wiped her mouth with the back of her hand.

“God that was good,” I said.

“Yeah, a little crazy wasn’t it,” she replied. She lay there for a few minutes deep in thought.

“Brian,” she finally said.

“Uh-huh,” I replied.

“I have to lose my virginity and I’ve decided that the only way I can do it and feel really safe and cared for is for you to do it.”

“Wow!” I replied. “That’s a big responsibility to put on a guy.”

“Please Brian. It has to be you. I know you’ll never go bragging to your buddies. I feel safe with you.”

“I don’t want to get you pregnant so I’ll get some condoms.”

She kissed me. “Thanks Brian, this means so much to me.”

Chapter Nine
Sienna was on her period so we waited for a week. To say I was nervous was an understatement. Finally she had finished her period and we had time alone together.

“Did you get any . . . you know . . . ?


“Uh-huh. Got half a dozen.”

“Do you know how to put them on?”

“Yeah, watched a video on the Internet, don’t want to have one burst on us. You ready Sis?”

“I think so. I’ve been as horny as hell the last few days. Had to change my panties three times a day.”

I started undressing, watching Sienna get undressed. She seemed nervous. As she took her panties off I could see how wet she was. I was glad as it would hurt less when I penetrated her. She lay on the bed on her back and I lay beside her and put my arm around her shoulder and pulled her to me. We kissed passionately, tongues dancing. She found my cock and squeezed it.

“You’re so big Brian, you think it’s going to hurt when you put it in me?”

“You’re really wet Sis, so maybe not a lot and I’ve been able to get three fingers inside your pussy.”

I tore open the foil pack and place the condom over the head of my cock; I squeezed the teat and started to roll it on.

“Let me,” Sienna said. “I wanna see if I can do it.”

“Okay. You see that I squeezed the air out of the teat so it doesn’t burst.”

She grasped my shaft and started to roll the condom down. When it was all the way on she let go of my cock.

“Tada. Did I do it right?”


I settled between her open legs and, grasping my cock, guided its head to the very wet opening of her vagina. She propped herself up on her elbows and watched as I pushed into her. At first there was too much resistance so I pushed Just a little harder and felt her tight, tight pussy start to dilate. She frowned anticipating pain as slowly, slowly the tight ring of her vagina stretched and all of a sudden the head popped inside her.

“Ouch,” she said.

“You okay Sis?”

“Uh-huh, it was just a little twinge that’s all.”

I slowly started to push into her and, as my cock got lubricated with her creamy fluid, she became more slick. I eventually bumped the end of her pussy.

“That’s it,” I said. I’m all the way inside you.”

She hooked her long legs over my hips and locked her ankles behind my back. I started thrusting into her very, very tight pussy. She was much tighter than Mrs. Jenkins the Phys-Ed teacher who I fucked in the back seat of her car, but there again she was much older and had probably fucked quite a few guys. I was supporting myself on my arms but Sienna wanted me on top of her so she pulled me down and wrapped her arms around my waist, holding my butt.

As I humped her I could feel her body start to tremble a little with small jerks in her legs and ass. She was breathing hard, hot puffs of breath were hitting my neck.

“Yes that’s it Brian, you can fuck me harder if you want. I love it when your cock hits the end of my pussy.”

“I started pushing into her harder; my ball sack slapped her bum cheeks; that sound, together with the squishing sound of my cock sliding into her pussy filled the room. Every time I thrust in she gasped.

“Uh, uh, uh, uh, uh,” escaped her lips. Then she climaxed and held me deep inside with her ankles and her hands on my buttocks.

“Oh gaaaaawd Brian,” she cried as she orgasmed. Her whole body shook like she was having an epileptic fit. This went on for a minute until she finally started to calm down. She released her grip on my butt and opened her eyes. There were tears pooling in the corners of her eyes that ran down the sides of her face.

“Thank you Brian,” she said through her tears, “that was wonderful.” She pulled my head down and kissed me.

“I love you,” she said with a lot of passion in her voice. “I love you more than as just my brother.”

I started thrusting again since I had been on the edge of my climax when she stopped me. It didn’t take long for me to cum. I humped her for another thirty seconds; then I felt my cock swell as I spurted into the end of the condom. When I was finally spent I rolled to her side. She put her leg over mine, pressing her wet pussy into my thigh; she closed her eyes and promptly fell asleep.

The sound of the front door opening woke me up. Sienna was still dozing so I shook her.

“Mom’s home Sienna, you gotta wake up.”

She jumped out of bed and headed for her bathroom as I quickly got dressed and started to head downstairs. Then I remembered that I hadn’t taken the condom off, I felt it slip off into my underwear. Grabbing my crotch I ran to my bathroom where I flushed the condom down the toilet. With a big sigh of relief I headed downstairs and helped Mom put the groceries away. She never said anything but I could feel her eyes on me.

Chapter Ten
A week later I got a call from a number I didn’t recognize. “Hello this is Brian,” I said.

“Brian, this is April, I’m Sienna’s best friend.”

“Hi April, what’s up?”

“Can we meet as I need to talk to you?”

I had no idea what April wanted to talk to me about. “Okay, I’ll be at the west entrance to the mall this coming Saturday around eleven.”

On the next Saturday I saw a very nervous April walk into the mall.

“Hello Brian, thanks for meeting me,” she said.

“No problem. Does Sienna know we’re meeting?”

“Uh-huh, she suggested it.”

“So what’s up?”

“Sienna’s my very best friend and she wants to help me.”

I was now very confused. “Sorry April, help you with what?” I was thinking homework but why meet in the mall?

“Sorry but this is very difficult for me. I was wondering if . . . you would . . . you know . . . take my virginity like you did with your sister.”

“She told you!!? I told her not to tell anyone.”

“Don’t be mad at her Brian, I can keep a secret.”

Nothing was said for a couple of very awkward minutes.

“Will you?” she finally said. I just nodded.

#Sister #Sienna #Sex #Stories

My Sister Sienna – Sex Stories