Lisa’s Evolution Part I: The Depths free porn video

A beautiful friendship first started when Lisa and her older sister, Barbara, moved to my smallish town and high school. Barb was in my grade, and her younger sister was two grades below, although I’m pretty sure she had skipped a grade back in her elementary days. I soon became friends with both them and their very cool parents. In fact, in no time, I felt like a member of their extended family.

When I first met Lisa at school –which now seems so long ago- she was a tall, skinny, athletic, and introverted girl with a bit of that awkward ‘coyote ugly’ going on. She had a runner’s body and a Hillary Swank-type of face: pretty with a strong jawline and cheekbones.  In contrast, Barb had a softer, fuller, and more classic beauty about her. However, it was obvious even then that both sisters would likely inherit the impressive brains, boobs, and height of their mother.  Yet, despite the sisters’ beauty, we developed a platonic relationship. I became like a brother to both of them. And while Barb and I were more alike in terms of being social extroverts, I spent a greater amount of time with Lisa due to our similar hobbies and sports. Barb, as it would later turn out, became engaged to one of my close buddies. 'One big family.'

Lisa and I shared a passion for mountain biking, rock climbing, beach volleyball, and silly humour, among other things. But despite her adventurous lifestyle and level of comfort around me, she was a painfully shy girl when it came to boys. And as we became best friends, any possibility of us hooking up seemed to just naturally fade away. I dated a couple of her friends in high school (‘which didn’t help’), and watched her with interest ‘from a distance’ as she slowly and awkwardly explored the world of dating with other guys in our school.  But no matter what each of us had going on with our respective romantic interests, we always hung out a ton together and truly fell into a brother-and-sister-type of love.

The deep closeness of our friendship made our eventual and inevitable parting a sad day, when first I and then she graduated high school and went off to our respective universities. We did, however, keep in touch via social media, and we met during holidays and summers -if our schedules permitted- when we would often come back to our hometown. In fact, I even stayed at her family home during one semester of university. And it was during one of these overlapping holiday breaks that I started to notice a significant change in my ‘little sister.’

The first clue that Lisa, now age 18, was no longer such a shy and awkward girl was when she caught me staring at one of her hot-looking cousins at the Christmas party her family was hosting. Their expansive house was perfect for social events, and Lisa’s parents loved to throw ‘big parties on big holidays,’ as her cool dad would often say ('Hi, Mr. M').

As Lisa whispered in my ear, “I bet she is making you hard,” she simultaneously tapped the back of her hand against my crotch as if to check. She then burst out laughing. I laughed it off as well, but inside I was actually shocked, and could only blush. Clearly my ‘little sister’ was growing bolder. I wondered what might have happened at university to make her ‘flower’ in such a way.

The next clue happened during the following summer at a conservation park near our hometown, where we used to often visit during high school to ride or walk the trails. However, due to our respective university and summer job schedules and other various reasons, we hadn’t gotten a chance to work up a sweat together there for almost 2 years.

After we hiked the trails, we headed back to my jeep, which I had left next to the park’s small but gorgeous manmade lake. This well-designed body of water was surrounded by lush tree-lined hills and a narrow pristine beach that ran along one side of it. As we enjoyed the sight, we talked about taking a dip to wash off the sweat of the hike. However, Lisa revealed she had forgotten to bring a swimsuit. She suggested, to my surprise, that she just swim in her bra and panties as long as I didn’t mind seeing her in girly-girl lingerie. She apologized for not wearing more sensible underwear for the hike. 

This caught me a bit off guard. Sure, underwear is pretty much the same as any two-piece swim suit, and I had seen Lisa in a bikini many times when she was younger; in fact, the image of her when she was a super skinny, but adorable, high school tomboy running around in that little pink bikini still haunts me. However, at this moment, I found myself hesitant to call her ‘bluff’ about swimming in just a bra and panties. Maybe I was getting old, I thought.

Regardless, I played it cool and told her with a shrug that it was her call. She smiled and immediately removed her light fleece jacket before starting on her t-shirt and hiking shorts.  I opened the jeep’s door adjacent her to give my ‘little sister’ some privacy; or at least perception of privacy. “Ever the gentleman,” she noted.

As we both undressed, I could feel her eyes searching out mine. Perhaps this was to see if I was checking her out; or was she daring me to look? Regardless, she seemed amused by the fact I was either looking down at my now bare feet or glancing up directly at her eyes. I actually thought it was chivalrous of me to not sneak a direct peak at my ‘sis’ while I stripped down to my swim trunks, which I had thoughtfully worn as underwear under my hiking pants in anticipation of a possible swim; ‘smart boy.’  

Perhaps wanting to be playful, or maybe just semi-disappointed that I had become too much of a prude to sneak a look, Lisa asked me a question that I still remember to this day.  Standing there now in only her underwear with her hands at her sides, she focused my full visual attention on her by asking,

“Jack, can you see my nipples through this bra?”

Yes, she asked that.

And without thinking (male brain), I automatically looked directly at her chest and became actually speechless for a second, which was something rare for me. My flustered reaction made her laugh in what sounded to me like a victory celebration of sorts; ‘has the younger sister turned the awkwardness tables on the ‘cooler’ older brother?’

I had already known in some part of my mind that Lisa’s body had developed what were likely sizeable breasts back when she was around 16, but she always wore self-consciously baggy clothes to conceal or downplay them. However, what I saw now truly surprised me. My ‘little sister’ had grown up.

Lisa was now standing right next to me in nothing but a lingerie-style lace bra and matching panties. And the flimsy dark blue bra she had on did almost nothing to hide her surprisingly very large and obviously firm tits, which defied gravity by actually slopping upward as they jutted out from her slender teen body. And to make matters worse, or better, the thin sheer material of the bra cups was obviously designed to teasingly display her nipples, not really hide them. Surely Lisa must have known this.

In what felt like slow motion, my brain continued to register more details about the new, at least to me, naughty features of my ‘little sister.’ Her large nipples, which I had wondered about once or twice, were a light brown colour and sat proudly atop the firm peaks of her provocatively-shaped upward-sloping breasts. And as if to demand even more attention, Lisa’s nipples appeared to be somewhat hard as they seemingly pointed right at me.

‘Were they hard,’ I wondered like all men do about nipple pokes, ‘because of the cool late summer breeze or because of how naughty she must have felt about exposing herself to me and the public park area?’

Her panties looked to be a bikini style (at least she got the name right), which hugged her narrow hips closely. And while the delicate lace panties looked thin, they were not sheer like her bra -‘thank god’- and thus provided adequate concealment for whatever lay between Lisa’s long well-toned legs.  

As surreal as the moment was, there was one thing for certain; Lisa looked beautiful half naked.

Her skin, which seasonally turned from a near lily white in the winter to a light brown under the summer’s sun, was gleaming from the sweat of our hike. And the blue colour and delicately feminine design of her bra and panties provided a stunning contrast to her golden sun-baked skin and to the tall athletic frame of her 18-year-old body. ‘My god, Lisa. Just look at you now.’

I was speechless until I could no longer be.

“Well, Lisa,” I finally responded in as much of a matter-of-fact tone as I could muster, “…you have clearly grown.”

She laughed, and I realized I hadn’t really answered her question. “And…?” She promoted me again as if practising for her future law career. “Can you see my nipples in this bra?”

I found it simultaneous unsettling and a tad kinky to have my best female friend, who had clearly developed from an innocent tomboy into a strikingly hot 18-yeard old beauty, literally command me to look at her overtly sexual lingerie-framed tits as she cross-examined me about her nipples.   

‘I’m going to either heaven or hell.’

“Yes,” I began as I finally pulled my eyes off her exposed body and back up to the dark brown eyes that were smiling at me.

“If it please the court, I declare the nipples in question are poking out demonstrably,” I finished, hoping the attempt at humour would make me look less flustered.

Lisa giggled, and without missing a beat replied, “Then we better hurry into the water, Officer Jack.”

 She pulled me by the hand after her and we started a short nervous dash to the lake as if we were skinny dippers looking to limit our exposure on the way to the waves.

As I trailed behind her for the first few steps, I just happened to notice (ahem) the back of her panties for the first time. They were similar to a thong style but a bit wider so as to cover her butt crack rather than disappear into it. However, most of her pretty ass cheeks were left exposed to the afternoon breeze, and to her big brother’s guilty gaze.  I couldn’t help but notice her bottom had the same hardness and gymnast-type shape as it did when she was in high school: her buns were impossibly narrow across the width, like that of much younger girls, but they protruded out invitingly with a perfect roundness that demanded attention. ‘Oh, little sister.’ I quickened my pace.

After we dove for cover under the water’s surface and then came up for air a considerable distance out from the shoreline, I glanced around to see if anyone had noticed anything, such as a half-naked girl. The scattered families near the beach and adjacent picnic area seemed oblivious. ‘Or were they just being polite?’

Meanwhile, Lisa, seemingly nonchalant, had already started off on her swim to the other side of the relatively narrow lake. I followed in her wake determined to catch up. One of the many things I loved about Lisa was her energy and level of compete. Whether it be biking or running or academics, she always pushed herself - and me - to go a bit further, a bit faster, and a bit harder.  This is why I was certain she would reach her goal for next year of getting into a top law school.

I did catch up, and we swam the width of the lake together, roughly 400 yards at our crossing, and then back again to about the spot where we had started. Lisa was right in front of me as she stood up in the slightly higher than waist-deep water to plant her feet on the sandy lake bottom and catch her breath from the twenty-minute or so swim. As she pulled back her chestnut brown hair from her face, two men sitting fairly close by on the beach gave a restrained but clear cat whistle from their lawn chairs, which were tucked under a huge beach umbrella. Even at 20 yards distance, I could clearly see that they had already had a few beers, and, judging by their big friendly smiles, were harmlessly enjoying the late afternoon sights and sounds of the park.  ‘Good on them,’ I thought.

I assumed that when Lisa first stood up and faced the beach, she had forgotten that she was wearing what basically amounted to a see-through bra, especially now that it was wet. As if to confirm this, she quickly spun around to put her back to the two admirers, and then pushed into me to hide her chest against my body. I couldn’t’ help but chuckle and then reflexively hug her. She was the shy girl once more, it seemed.

Lisa looked up at me (she was tall for a girl at about 5’10, but I had at least 2 inches on her) and smiled with an embarrassed ‘oops’ expression before saying, “Well, I guess I just gave them a show.” She then pulled herself into my chest even more tightly than my initial hug had offered. It was as if she wanted to burrow deeper into the modesty and safety of our embrace.

As we huddled together in the warm water and recovered from the fairly demanding swim in a shared silence that we were both always at-ease with, I expected to feel like I often felt in moments such as this: like I was truly the big brother; the best friend; and the protector. Lisa had often echoed this sentiment by telling me from time-to-time how comfortable and safe she felt with me. I loved this about us.

But something was different just now.

Yes, the warmth and familiar love were there, as were the feelings of trust and safety, but something new seemed to be overtly creeping into the mix. I wondered, ‘was it the sexy boldness of Lisa’s surprise ‘lingerie show’ earlier? Or was it how her lingerie graphically revealed the sexual development of her now fully ripe teen body? Was the unspoken and subtle sexual tension that had sometimes existed between us starting to rise to the surface from its previously well-buried depths? Did Lisa feel it, too?’

While my mind searched, I could feel my body become acutely aware of ever little detail during this still moment in time.  I was aware of how Lisa’s surprisingly large and oh-so-firm breasts were pressing against me as we hugged. And I was painfully aware that her warm sleek skin was touching mine in so many other places: her arms around my back; her flat stomach rising and falling against mine as our breathing slowly recovered from the swim; her chin resting on one of my broad shoulders; and her breath blowing gently on my neck.

Something new was happening, and it was involuntary, at least for me.

And then, that most infamous involuntary muscle of all males was starting to react between my legs in a way it hadn’t ever done before while I was with Lisa, not even when we spooned while watching movies or hugged-it-out for minutes at a time like we were doing now. I couldn’t help it; my cock twitched into a semi-stiff state. ‘Did she feel it?’

Without breaking our embrace, I subtly moved my hips away from hers to hide my arousal.  Lisa gave no hint of noticing, but she did suddenly announce with a playful tone, “You are just going to have to hide me until those two big muscle-bound men leave.”

‘Huh?’ Her choice of words in describing the ‘beach whistlers’ struck me as odd. And just as I was about to look to see if they indeed were body-builder types, Lisa made her move. She lifted up her long legs and wrapped them around my waist like I was a safety buoy in the middle of the ocean that she was both clinging to and climbing up on to prevent a watery death. Lisa’s unexpected straddle elevated her body upward relative to mine; up far enough to so that her chest was at roughly the same level as my chin and just a few inches away from my face. I’m not sure if this was her intention, but Lisa certainly wasn’t shying away from holding this rather intimate position.  

It was a position that really made it hard for me to avoid looking at my ‘little sisters’ tits (again); tits that were both beautifully and wickedly framed by her sexy blue lace bra; and tits that were teasingly exposed behind the thin, sheer, and now wet material of Victoria Secret. A material that allowed Lisa’s large nipples to poke through, and - my lord - they looked like they were starting to get hard (again) right in front of my eyes.  

‘Déjà vu, Jacques.’

Questions similar to those earlier ones sprang to mind: ‘Was it the slightly cool breeze that was making my best friend’s nipples harden or the fact I was looking right at them as they protruded out just inches from my face like a siren song? Or was it the fact that Lisa’s crotch -similarly covered in lace lingerie- was now just hovering an inch or so away from my lower abs. Or was it the fact that my hands had instinctively moved to the sides of my little sister’s tight bottom to help support her bold underwater gymnastics move? ‘

Whatever the answer, I couldn’t find it on Lisa’s face. She did, however, have a semi-mischievous grin going, but that could mean anything; for all I knew she was about to start a play fight with me, something we had done many times, but never with her half naked like this.

Regardless, I turned us a bit in the water so that my head and wide shoulders were now between my new passenger and the semi-crowded beach.  This gave Lisa’s tits, which had become even more visible when she mounted me, something to hide behind.

“Such a gentlemen,” she chuckled.

I also broadened my underwater stance a bit to steady our balance. This had the added benefit of lowering our bodies a tad further into the warmth of the lake and away from the somewhat cool breeze above. As I did so, I realized I didn’t really need to support Lisa with my hands, as the water was doing most, if not all, of the work required to keep her buoyant and in place on my hips; her strong legs around my waist could do the rest if needed. Nevertheless, I kept my hands on the sides of Lisa’s bottom, somewhere they had never been before. She didn’t seem to notice my hands, but my active mind was starting to go down some naughty paths.

‘Why was my ‘little sister’ wearing a sexy bra and thong-type panties on our hike? Was it an attempt to provoke me? Why was I seeing this new bolder side of Lisa for the first time in the middle of a park lake?  Had she developed some kind of exhibitionist kink… and I was just along as a bodyguard? Or was this watery semi-public place a perfect spot for her to naughtily tease her ‘older brother,’ but also ensure that things couldn’t go too far?  And why wasn’t I moving my hands away from her small but deliciously round ass? Was it because the naked flesh of her exposed butt cheeks felt both so nice and so wrong in the gentle grip of my large hands?’

Just then I realized I had a problem. Her straddling of me had positioned her hips right next to my lower abs, which was fine; it felt more than fine, actually. The problem was that while my semi-awake cock was currently hanging off to one side and not bothering anyone, it might just decide at some point to get hard and grow up, especially considering my current situation. And this meant that if things continued to escalate, Max (its nickname from a previous  high school girlfriend) would soon be trying to stand straight up and expand to the middle of my abs as it always does when fully erect (yes, I’m bragging about my size). And the problem standing -or rather sitting- in its way would be my little sister’s bottom. She would know for sure that Max was hard.  

I tried thinking about football, and despite how good Lisa’s body felt and looked wrapped around me in the lake, this body control strategy actually seemed to be working. Working, at least, until Lisa started playfully interrogating me. 

“So Jackie,” she began using the version of my name she seemed to reserve for when she was up to mischief or in need of a favour, “Why haven’t you asked me why I’m wearing lingerie today.”

‘Oh shit,’ I thought. The fact that girls could easily and always read the minds of men was diabolical. God is clearly a woman. “Uh…not sure. Did some new boyfriend buy it for you?”

“Oh please,” she mocked. “I’m still single. The guys at my uni are all such pervs. They are always trying look down my top at my tits or get me drunk so they can get into my panties. They certainly aren’t trying to give me any of Victoria’s Secrets.” Lisa laughed at her clever turn of phrase.

‘Keeping thinking about football,’ came my mental mantra reminder. But damn, I was a curious boy and asked, “So… you haven’t let them do either?”

“Not yet,” came Lisa’s immediate and proud reply. “But, it’s kind of sad, I know,” she confessed upon further reflection. “Especially sad, to be honest, since I’ve been so damn horny lately. Not sure what’s going on with me.”

She laughed at her own bluntness, but I was shocked for the second or third time today (I had lost count). We had previously talked in general about our respective romantic relationships, but never the intimate details. And did she just tell me she was still a virgin? I was fairly sure she was when she graduated high school based on comments she had made back then about waiting for marriage or the right guy (bla-bla-bla). But I had just assumed a lovely girl like Lisa, even a romantically awkward one, would have lost the cherry after two years of university.

“But…” she continued, as she looked down her chin at her lacy bra-covered tits that protruded outward in a heavily sexual manner that contrasted so naughtily with an otherwise innocent-looking teen body, “I have been saving these ‘gifts’ for the just right boy, Jack,” she told me as she moved her dark brown eyes back to mine.

‘Jesus. Was I the right boy?’

I’m sure I had a full-on-nerd grin stretched across my face as I felt like a well-intentioned but very horny knight looking for something interesting in the distance to reinforce my resolve. Lisa, ever the observant ‘lawyer,’ noticed I was avoiding looking at the subject of our conversation: her gift.

“It’s ok Jack, you can look at them,” she said in a tone one might use when talking to a frightened child or when dangling a string in front of a kitten. “I know you’re a gentleman,” she continued. “And I’ve been asking myself recently, why should I feel pressure to let some pervs at university be the first to enjoy them? Why not share them with someone I have respected and cherished and loved for so long? Even if he is my big brother.  Unless, of course, you don’t like them.”

‘Oh, sweet Jesus…. football.’

“No, no, Lisa,” I hurriedly said to remove any doubt about my thoughts on her beauty, all the while trying to process the implications of her loaded words. I quickly accepted her voyeuristic offer and looked directly at my little sister’s chest. Lisa, still enjoying her mounted position on me, smiled knowingly as she saw my eyes shift and focus and then reveal my mind.

God, I just loved how her big tits were sloping upward so firmly from her body right toward my face, with nothing but sheer blue lace separating them from my eyes and from my mouth.  I also noticed how this deliciously transparent bra was the only barrier (or was it an invitation?) separating our longstanding friendship from a descent into something more wicked.

I couldn’t help but feel both guilty and enticed by how Lisa’s now wet and semi-exposed tits looked far too big for both her slender young body and for any ‘little sister.’ Half of my guilty brain still remembered Lisa as that innocent girl I first met and became friends with. But the other lizard half was now seeing this fully developed 18-year old girl with big sexy tits that simply demanded my attention and my subservience.

‘She must have known this all along,’ I thought. ‘She must know how much guys get turned on by big firm tits, especially on the skinny body of a teen girl like her.  And she knows that regardless of the fact that we are best friends, I can’t help but want to see her tits when teasingly exposed in such a naughty way. I am a man. Lisa musts of known she would turn me on with her sheer lingerie-wrapped tits, and that I can’t possible resist her offer to enjoy them.’

And this realization made her ‘gift’ of sharing them with me all the more naughty. And with this confidence, she clearly wasn’t waiting for me to ask, she was just giving me my present, ready or not.

“I do like them, Lisa. They are very pretty,” came my weak reply.  

“Them? Pretty?!” Lisa shot back, in a somewhat disapproving but playful tone. Not the answer she was looking for, I guessed. “You can call them tits. I’m not in high school anymore, big brother” she playfully scolded.  

“Um, yes, your tits are pretty, but also sexy. Actually, ok, your tits are amazing.  Just like you,” I quickly added at the end in an attempt to soften my initial confession that may have come off sounding a bit pervy. I suddenly wanted to keep being the ‘right boy’ in her eyes. But her next question made me realize she was giving me the green light to be fully honest, and maybe even a bit naughty.

“What about my nipples, Jack?”

As she asked, she squeezed her athletic thighs and legs on my hips and back just enough to cause her vulnerable panty-covered pussy to push forward an inch or two and press against my hard abdomen. In response to the naughty words and the feeling of my ‘little sister’s’ thinly veiled pussy now deliberately pressing up on my stomach, my cock twitched and grew harder despite my best efforts at self-control. It was about to make contact with her bottom, I realized. It was then that I surrender to its need and to the moment.

I looked directly at Lisa’s jutting tits just a few tantalizing inches from my face and confessed in a rather husky voice, “Your nipples are perfect, Lisa. So big and so long. They look like they are aching to be sucked.” As my confession fell out of my mouth, my cock took it upon itself to press against the side of Lisa’s bottom and along the upper part of her leg.

“Oh my,” was her reply. I wasn’t sure if it was in response to my words or my underwater probe. “It looks like you have gotten bigger as well,” she continued in obvious reference to my earlier comment about her. She teasingly added, “Are you trying to poke my bottom, sir,” she said in mock formal language.

I’m sure I looked bewildered, guilty, and semi helpless. And as if to tease me more and to push me more, Lisa leaned in close to my ear as if to tell me a secret, and in doing so the side of one of her lovely breasts briefly rubbed on my face. Oh god, I wanted to squeeze and suck them, little sister or not.

“You know, Jackie,” she whispered in the same innocent little girl voice she had before,  I had one football player at university tell me he wanted to put his big cock all the way up into my little bottom.”

My mind reeled and my cock jumped at these shocking and deliciously naughty words that clearly were meant to arouse me or torment me or both. My twitching cock expanded further and now pressed urgently against Lisa’s bottom as if trying to find more space to grow. Lisa, with a knowing grin, obliged it. She pulled her hips away from my lower stomach so that my erection could range free and rise up along the middle of my abs. I was grateful for this release until I felt the head and part of my shaft actually push past the tops of my shorts to escape fully naked into the water (‘I should of tied the trunks’), which - thank god - was high enough to easily cover our lower bodies and then some.

Lisa, after a moment, and while looking directly into my eyes, slowly and gently returned her hips back to where they had been previously stationed on my lower abs. But with that movement, her little panty-covered pussy now pressed ever so lightly - but unmistakably - against the exposed part of my now almost fully erect cock. While I stopped breathing for a moment, I saw Lisa inhale sharply and her eyes flash wide with recognition as her innocent pussy gingerly made contact with my hard cock through her panties. I could actually feel the lace and the softness her tiny pussy beneath it right on the skin of my engorged shaft.

My god it felt so good and so wrong all at once.

My cock twitched from this taboo lacy contact, and as it expanded further to its fully hard state, I felt Lisa’s body tense as a slight vibration ran through it. All the while she kept the crotch of her thin panties and the treasure behind it exactly right where they were causing me so much delicious desire: ever so lightly making contact with my now rock hard shaft.  

We both remained perfectly still. Neither one of us spoke or acknowledged what had just happened. She looked into my eyes with a satisfied smile on her face, but there was also a flicker of lust, and I could see her breathing was just a tad bit more noticeable now as her breasts rose and fell slightly.  As for me, I was still holding my breath in fear I might shatter this surprising and naughtily surreal moment.

We both remained perfectly still.

“Am I hurting you?” she asked after a long, long, long pause, and with a voice that was less steady than before but still in control. I knew it wasn’t a real question as Lisa wasn’t placing any of her weight on my vulnerable bits: my cock and balls. Rather, her weight was carried partly by my hips, which her legs wrapped around, but mostly from the buoyant force of the water. Her question was really a discreet acknowledgment to me that she knew exactly where her pussy was positioned. It was an indirect calling out of the elephant in the room: a little sister’s pussy -with nothing but thin lace to protect it - was ever so delicately touching against a big brother’s rock hard cock. And Lisa wanted to signal to me, without actually acknowledging it, that this was not an accident; she was going to keep her vulnerable little pussy right where it was on purpose, ever so gently touching and teasing her big brother’s cock through the thin material of her girly panties as she straddled him in the water.

We had clearly crossed a boundary and were now in virgin territory. 

We still didn’t move a muscle, but I could feel an ongoing throb in my loins in response to Lisa’s intoxicating boldness: she was letting me feel her panties with my exposed cock. Throb.

“No, you’re not hurting me.” I replied, my voice husky, and not so steady. “You feel good,” I continued, while my mind processed the fact that my fully submerged naked cock was touching the exact same thin lace panty strip that my ‘little sister’s’ pussy was touching. And as I looked into her gorgeous, young, inexperienced, but mischievous brown eyes, I felt –perhaps for the first time in our friendship- just how intently she was watching me, and just how connected she was to me. I had to look away.

While my ‘little sister’ seemed to retain control during this surreal encounter, I felt like I was losing it. My mind and body, which had so quickly become completely aroused, found it so devastatingly erotic and taboo for Lisa to be teasing me like this with her big tits, her sexy panties and her virgin pussy. It was so hot to realize that she fully knew that her ‘gifts’ were making my cock so hard. And, in spite of this explosively taboo energy, we had to remain so quiet, so motionless, and so restrained as if not nothing potentially explosive was happening right here in this pubic lake between ‘brother and sister.’

Her actions, her teasing, her upper body arched out right before me and her legs around me, all held me in such deliciously sexy all-surrounding grip. They held me so tight while she maintained the gentle but constant pressure of her innocent panty-covered pussy against my achingly-hard cock. With her eyes on mine, I couldn’t move a muscle, but I was starting to feel like I needed to ravage my little teasing sister.

I tried to focus my thoughts and senses away from the ‘elephant.’

I felt the warm late afternoon sun. I felt the slightly cool late summer breeze blow over our exposed skin, and I felt the warmth radiating from our intimately close bodies shielding us from it like a canopy. I felt the slight weight of Lisa’s golden brown arms as they rested on my shoulders and her hands dangling behind my back.  I felt her long well-toned legs wrapped around my hips, and her firm calves pressed into the sides of my back with her feet crossed behind me.  I felt the much heavier weight of her stare; those dark brown eyes looked more confident, more curious, and more locked on than I had ever seen before. We held this wickedly intimate position with neither one of us moving and just let the feeling of raw electricity and anticipation shoot through our bodies; shoot through our loins into each other.     

Lisa’s voice broke the silence but not the spell.

“How good?” Lisa enquired with a grin. “How good do you feel with your little sister straddling you like this in the middle of a lake?”  My cock throbbed noticeably from the naughtiness of her words and from what she was inviting me to talk openly about: the elephant.

“Wow, Lisa,” I began, relieved to release some of the pent-up emotion and tension.  “You feel amazing like this…you look so… and feel... so damn good.” I realized I was fumbling my words, but the sincere emotion in my voice was obvious. Lisa came to my rescue with a more specific question that even a guy with a raging hard on could answer.

“Do you like the feeling of my girly panties on your hard cock?” she asked, and as she did so, I felt her hips move just a little forward to let the crotch of her panties - and the vulnerable pussy behind them - more firmly press against my shaft; so firmly I could feel her delicate pussy lips through the lace. Then, before I could answer, she pulled her hips back to their original position so that as before her panties were just barely touching me. Tease.

“God, yes,” I confessed immediately, and gently squeezed the flesh of Lisa’s tight round ass with my hands as if to exclaim my taboo desire for it.  I wanted desperately to pull those narrow hips of hers back into mine again so her pussy would once more grind on my cock, but I dare not move.

“Good,” she replied. “I wanted you to be the first boy to feel them; to enjoy them. I know how guys get all turned on by girly-girl panties, and these are for you,” she informed me she continued her motionless but torturous tease. And as if to confirm her evaluation of the male weakness for panties, my cock began to throb and pulse even more noticeably at the ongoing gentle contact with her lace panties and the oh-so-tight teen pussy that lay just beneath them in such a tantalizing vulnerable way.

Clearly she could feel my need for her, but added more fuel to my fire by saying, “I think you like it when I talk about my panties, naughty boy.” She obviously had no intention of stopping the teasing and the sharing. In fact, her next actions turned up the level of both.

Lisa’s hips started to move ever so slightly up and down, which caused her panty-covered pussy to teasingly slide along the outside of my bare, hard, aching shaft. As she did so, she closed her eyes for a moment and for the first time and allowed her face to reveal her feeling of pleasure. God she was beautiful.

The moment of her hips was so subtle that anyone looking from the beach wouldn’t be able to detect it beneath the surface. However, the tantalizing-slow sliding of her panty-covered pussy along the outside of my shaft was having a powerful effect on ‘big brother.’  And this was not just from how delicious her panties and body felt on my sensitive skin, but also from the fact it was Lisa, my ‘little sister,’ who was delicately rubbing against my cock like a sexy kitten in need of touch.

“Jesus, Lisa,” I pretty much moaned as her thinly veiled pussy slowly and ever so delicately continued to slid up and down against me, as her big tits mounted on a little girl body hovered right before my face, as her hard nipples poked through her sheer bra as if daring me to suck them. “What are you doing to me?” I asked with no expectation of answer.

She ignored my question as her hips kept working their subtle but devastating magic.

And as the sharing and teasing continued she read my mind once again, “And what were you saying about my nipples before?”

I looked away from her eyes and without guilt directly at here tits, which were so delicious presented to me by the sheer lace bra. A bra, I was now sure, was selected by Lisa for its ability to display her tits to me; to share them with me. My eyes focused on her pretty brown nipples that poked out proudly to tease me with their size, their hardness, their prominence.

“I was saying, your nipples are so sexy….they need to be sucked. They need to be sucked hard, Lisa,” I confessed in a husky voice.

“Yes, you were saying that, naughty boy,” she teased with her words and her pussy down below. Then she confessed, “You know, Jack, I have never let anyone suck on them. But they are so sensitive when I’ve played with them. Even now, just the way you are looking at them is making me wet. Well that and you know…” she blushed in the most adorable way at the implied reference to the effect my hard cock was having on her pussy.   

Her words, her confession, and her gifts were already making my mind spin, and she wasn’t done exploring this new side of herself with me.

“Do you want to suck them Jack,” she asked in a much lower voice, and I noticed she was now regularly closing and opening her eyes. She was clearly becoming more aroused by the sexual excitement that had been building with the teasing, with her confessions, with the pressure of my rock hard cock on her pussy, and most likely with the unmasked lust I had in my eyes for her. And as if she was sensing an urgency insider herself, she didn’t wait to hear my answer to her question before she began talking again.

As she looked directly in my eyes, she announced in a shy but determined tone, “There is something else I want to share with you Jack…. I want you to be the first man to give me an orgasm. Will you do that Jack? Will you make me cum?”

The way she asked that last question - will you make me cum? - with such an earnest and even desperate need in her voice told me she was already on her way.  And, ‘my god,’ I thought, ‘how could she sound so vulnerable and helpless while simultaneous being in such control of me at this very moment? Was it her own state of arousal that was taking her over? Was my little sister a slave to the needs of her innocent but hungry pussy right now?’ If so, I found this to be just incredibly sexy. 

“Yes” was the only possible answer at that heated moment, and it flew right out of my mouth before my brain had a chance to even be shocked by Lisa’s sudden boldness. And in a surge of lust, I pulled her ass cheeks toward my hips forcing her teen pussy to grind on my cock. This also caused a bit of stir in the water.  

“Slow, slow,” Lisa scolded me gently as she looked around to see who might be looking. I lightened my grip on her lovely ass and let her resume control. She looked back to me once satisfied nobody was paying us any attention. Even her previous two beach admirers were seemingly oblivious as they threw a frisbee around.

“A naughty tiger and a naughty boy, you are,” she said teasingly and in a far-away type of voice like she was here with me but also somewhere else. “Or should I say, naughty horse?” she asked with a very slight moan at the end. I wasn’t sure if this was a reference to her straddling of me or the size of the cock she was rubbing herself against.  I didn’t care, just as long as she continued to squeeze her legs around me tightly and rub those panties up and down, and let me feast on how beautiful she looked and felt.

And I knew her ‘slow, slow’ command was both practical – we were in a public area- but also hot.  There was something about having to be discreet and restrained in this in a public area that made the contact and the friction of our bodies even more delicious and even more of a tease. That and that fact that this little girl -my little sister- had just asked me to make her cum right in the middle of this park.

“Tell me Jack,” her voice was low and there was a definitely a stronger tone of neediness in it. “Do you want to suck my nipples? Shall they be my next gift to big brother? Tell me…” her voice and mind trailed off to her other place, where I’m sure the orgasm was building up inside her. The rubbing of her little pussy continued in its tantalizing slow pace, but it was getting a bit bolder in the length it would travel along my shaft. The movement of her hips had actually pushed the tops of my trunks down a bit, which now exposed almost all of my cock to her slow-grinding panty ride.  And she was taking advantage of it. My little sister was being greedier with how much of my naked shaft she wanted to slide along her pussy lips.

I obeyed my lovely passenger. “I want to suck your nipples, Lisa. They look so delicious. I’m sure the two men on the beach wanted to suck them as well.” With this I heard a faint moan of approval, which made me relieved to know I hadn’t gone too far with the naughty talk. It also made me wonder if Lisa had developed into more of a kinky girl than I thought.  

“Tell me about you Jack,” she said to refocus me. “Do you want to make me cum on your hard cock?” And with her naughty words she reduced the length of her hip movements and switched to a more focused circular motion.  She was now working her clit against my cock, I was sure.   Her eyes were closed again.

“Yes, Lisa,” I confessed, “I want you to cum on my cock. You are making it so hard. Your panties feel so good. My god I’ve wanted to feel your panties on my cock for so long.” She smiled knowingly at my confession. 

“Tell me, Jack, naughty boy,” she quietly urged me on as her eyes closed again, and as her clit throbbed and continued to grind on me.

I needed no further encouragement to express my naughty thoughts and began to confess my feelings.

“I love how you are sharing your body with me, Lisa. How you let me see your big gorgeous tits and how you are teasing me with them. You look amazing. Your panties and your pussy feel so good on my cock. And it’s so amazing that you have waited to share all this with me Lisa. I know other men have wanted you, wanted your innocent little pussy.”  

She moaned softly at my words, and her hands moved to the lower back of my neck which her long slender fingers gripped tight. And her legs became tenser. She was getting closer to her orgasm.

“Yes, naughty boy. They wanted to put their big cocks into your little sister’s panties,” she confessed. But they are for you Jack. I know you’ve always wanted my panties…and my tits…and me. They are yours now.”

With that she leaned forward slowly so her tits were right in my face. Her hands now slid to the back of my head and near the sides so they and her could provide some additional privacy to the more obvious display of naughtiness that was about to happen. “Suck them,” she quietly urged.

‘Oh, my.’  I closed my lips over one hard nipple and began to suck at it gently though the thin fabric of her bra. At this first contact Lisa moaned quietly but deeply next to my ear, ”Fuuuuck,” which reminded me of how sensitive she had confessed her nipples were.

“I can’t believe you are sucking my nipples, Jack,” she moaned into my ear and I felt her look up past my head to the beach behind me.  

This disbelief she mentioned was likely in reference to our brothers-sister-type relationship, and to how good her brother’s lips felt wrapped around her hard sensitive nipple, which was being sucked greedily. But it was clearly also a reference to the fact that while we had considerable cover from the water, and while my body was mostly shielding us from any would-be voyeurs on the beach, we were still doing very sexual things to each other in public. And that fact made us do everything with such teasing slowness and with such teasing restraint, that we both felt a steady build-up of very intense sexual energy, which contrasted wildly to how calm we had to appear out here in the lake. 

And it was with this enforced restraint that I pulled my lips away from Lisa’s tits and let her upper body arch back from me a bit. “I want to look at you, Lisa,” I explained, “as you rub your little pussy on my cock.”   She was too excited now to blush as she continued her needful circular motion under the water.  Her eyes watched my eyes devour her as they feed on how inappropriately big and ripe and exposed her teenage tits looked on her slender frame.

“Fuck, you are so hot, Lisa. I want you to cum all over my cock.” She bit her lip and closed he eyes for a moment as I felt another vibration run through her. She looked so pretty in this exposed, vulnerable, and lust-filled state. So sexy with her jutting tits moving up and down just a little from her breathing despite her best efforts to remain motionless above water as her young pussy grinded on her brother’s cock below.  All of this contrasting wickedly with her innocent body, with our relationship, and with the park. Jesus, I needed to taste her again.

“Lisa…I need to suck them more,” I confessed my urgent desire.

My little sister could only nod with a helplessly lost expression. She was close to coming.

“Feed them to me.” I told her. “Slowly.”

And with the necessary caution in movement, she slowly moved her tits back to my face, and with one hand behind my head and the other hand under one of her large tits, she feed me her nipples again and I sucked hungrily on them through the bra. As if to tease me more, she let me suck on one nipple for a only few seconds, before pulling back a bit so she could very slowly switch her hand to the other breast and then make me wait a second as she served me again. With this teasing, I began to suck on her nipples with more force...more need… more hunger.

She responded with quiet encouragement, “Yes, Jack; suck my nipples. They are yours. Suck them, please.”

The need was clear in her voice as she continued. “Your cock feels so good on my pussy,” she confessed to herself as much as to me. Her clit continued to rub in a circular grinding motion on my cock. Her legs flexed around my back and my hands firmly squeezed her delicious teen ass. Both of our grips on each other served to hold Lisa right at the spot she needed to be at in order to rub her throbbing clit on my cock; and right at the spot she needed to be at to cum on me.

And then it started. I knew from the sudden rise in intensity of… everything. Her legs were tightening like a python around me and her fingers moved from behind my head to my upper shoulders where her nails dug in as if to share with me the violent emotion of her approaching orgasm. I was now sure my little sister was cumming on my cock.

“Yes, come for me, Lisa” I encouraged, loving how she was squeezing me everywhere as if to pull me right into her body, as if to pull me into her orgasm with her, and as if to make sure I couldn’t escape until I made her cum.  

“Oh Jack, you are making me cuuuum,” she announced in an initially  quiet voice that contained a mixture of bewilderment and helplessness before increasing to a louder moan that she quickly muffled  by biting  down on the top of my neck like a vampire.   I loved the raw emotion that had taken Lisa over: her nails and her teeth scraping my skin, her long legs squeezing me into her, and her innocent little pussy cumming all over the cock she had been teasing herself with.

I bent my knees to lower us a bit more into the water as her hips and body started to shake from the intensity of what was happening to her.  She held on tight as the orgasm seemed to not want to let go of her young teen body or mind. She continued to moan into my neck until the peak power of her orgasm finally subsided and then slowly released her back into our world.

“Jesus, Lisa,” was all I could say as she finally recovered enough to move her head back from my shoulder and give me a very shy glance before looking away. There were a hint of tears in her eyes, but I noticed her legs were still tight around me. And I loved it. I didn’t want this girl going anywhere.

“Lisa,” I said gently.

She looked back into my eyes and began, “God I’m sorry,” as if to apologize for the strength or length of the orgasm, or just for the orgasm itself, or maybe the tears.  I wasn’t sure what she was sorry for, but I wasn’t having any of it.

“No way; no apology from you, Lisa. You looked and felt and feel amazing and are amazing. My god I’m glad you…you shared that with me.”  And with those words, she gave me a soft but full and long kiss that held us there in our bubble with just the pressure and warmth and love of her lips on mine entering in. She then released my lips and unwrapped her legs from my waist, but still remained leaning into me like a child who wasn’t sure how much independence she wanted. 

I wondered, considering the nature of our friendship, if that kiss was to be the only romantic kiss we would ever have. And, as if she sensed my uncertain what-the-fuck-just-happened feeling, she took my hand and we stated to walk back slowly though the water to the shoreline in a slow decompression.

“Yeah, so that just happened,” she said shyly and perhaps in an attempt to gauge my feelings, or maybe her own.

“Oh yes,” I replied, neutrally as if to keep my cards close, which was kind of silly considering how I had been an emotional mess of man just moments ago. In fact, I still had a hard on and was struggling beneath the waves to tuck it back below the top of my shorts.

“You sure you are ok to walk, stud? Lisa said with an amused smile looking down at the fight with my gear.  

“I’m not sure,” I shot back. “This is the first time I’ve had a mermaid take advantage of me on the high seas.”

“Hah!” she protested in semi mock outrage, “You loved every minute of it,” she prodded.

“Fuck, yes,” I said way, way too fast. And we both laughed at that in a manner that made me feel like a sense of normalcy was starting to return.  'Did I want it to return?'

But as surprising and disorienting as this experience had been today, what I didn’t know then was that something a lot stranger was going to happen.

To Be Continued…