MAKING THE GRADE IN BIOLOGY

It was my senior year in high school and my grade point average was barely getting by to be able to graduate. I was 18 and in my second semester. My grades were good enough to graduate in all but one class, Biology. There were a couple of other classmates that were in the same predicament as I was and had resorted to studying together in order to bring our grades up.

One of my classmates with low grades was a girl I was friends with. She was kind of shy, like me, and a bit naïve, like me. By physical appearances, both of us were sort of 'average'. I was 5'5", light red hair, and average build. From what I noticed in the showers in gym class, I was a bit bigger than most of the guys in my class.

Carol, my friend in Biology class, was a little shorter than me, a brunette, with what I guessed to be about a 34B cup bra size. Her physical shape was the same as mine, about average. She had a nice smile and great personality, which is why I decided to team up with her for after-school Biology studies.

With our schedules, the weekend was about the only time Carol and I could get together. This particular Saturday, Carol and I were going over the chapters in reproduction and genetics. There was a big test coming up on Tuesday so we had planned on putting in a lot of time, starting mid-afternoon on Saturday. Because Carol's brother was going to have a bunch of his buddies over to the house, watching afternoon and evening TV, the only place to have some quiet time to study was at my house. My parents kind of liked Carol and didn't mind having her over. My parents had planned on being at a party until late in the evening and by 5:00pm Carol and I had the house to ourselves.

As Carol and I reviewed the genetics part, we went though the genetic possibilities of how I got red hair from my dad instead of brown from my mom. For Carol, it was somewhat the opposite. She ended up with hair color more from her mother than her dad. While going through a list of things we each inherited from our parents, Carol confided in me that she was glad her boobs were more like her mother's than her grandmother. I've seen her mother and I would guess her mother is about a 35C, while her grandmother has nothing up top at all.

I had seen my dad once when he stepped out of the shower, and I was pretty sure that was one of his features that sealed-the-deal for getting married. Without thinking, I commented that I must have taken after my dad down below. I almost cringed at the thought of what Carol must have thought at that revelation. For what seemed like an eternity, I watched the wheels in Carol's head turn, thinking about my last comment.

Finally, she ventured that she had heard some of her friends talk about their boyfriends but couldn't quite imagine what a penis really looked like for real. Our biology book only had a crude drawing and Carol had never seen a penis for real. Since there would be questions on the big test on Tuesday covering reproduction, I had an idea that would help us both.

Carol had never seen a real penis and I had never seen a girl's breasts or crotch, I suggested that if we showed each other our private parts, it would help give us a better idea of what the biology book was talking about. It took a few minutes and some additional coaxing but she finally agreed. Her one stipulation was that I go first. I would have liked to have seen her go first but figured me going first was the only way Carol would go through with it as well.

Standing up, I took off my shoes and put them by the side of the desk. I then casually unbuttoned my shirt, took it off and laid it on the chair. Next, I unbuckled my belt and started to unzip. I could tell by the look on Carol's face that she was a bit nervous about having me strip in front of her but also eager to see what a guy looked like down below. When my pants hit the floor, my boxer shorts were the only thing that kept my semi-rigid penis covered.

Just to make sure Carol was going to uphold her end of the deal, I asked her to stand up and take off her blouse and skirt. She was about to back out of the agreement when I reminded her our grades could depend on her going through with our arrangement. Reluctantly, she stood up, unbuttoned her blouse and skirt, and laid them on the chair as well.

On the count of three, I slipped my boxers completely off and she took off her bra and panties.

I don't know whether it was the excitement of the moment or the cool air, but I could see her nipples were somewhat stiff. As a normal male of this age, I couldn't help but react. As I sat down on the edge of the bed, I noticed Carol's eyes were glued to my stiffening cock.

Kneeling down in front of me, Carol wanted to get a closer look. She seemed really fascinated at the shape and size. She asked me if it's always this size and I had to tell her that it only got this big at certain times, like when I happened to see a gorgeous woman or when I woke up in the morning. She then asked if she could touch it and I said it was ok. Actually I was wishing she would but I was afraid I would scare her off if I asked her.

As Carol's fingers lightly traced over my shaft and balls, my cock began twitch in response. As I watched Carol examining my cock, I noticed she started to move in for a closer look. She seemed to be particularly interested in my cock head.

The next words out of her mouth really took me by surprise. She overheard some of the other girls saying they had tasted a guy's cock and it was really good. She wanted to know if it was alright if she kissed the head of my cock. Since I didn't have any objections, she leaned over the head of my cock and gently kissed the purple head. My cock gave a little twitch every time her lips made contact. I was thinking that this couldn't get much better when I felt a new sensation. Carol was using her tongue to take little licks of my purple knob. Carol must have got caught up in what she was doing because the next thing I knew, her mouth had opened wide and my cock head was disappearing past her lips. I couldn't believe how great this felt and I just closed my eyes and threw back my head.

What had started out with her lips just barely covering my knob, had now progressed to a steady bobbing up and down on my cock. A quick glance down at what she was doing confirmed that at least half of my cock was filling her mouth on each downward plunge.

Carol was so engrossed in what she was doing that she didn't see the signs of the impending eruption, and it hit me too fast to warn her. In quick succession, I grabbed her head and held it in place on my cock while I filled her mouth with my sperm. My cock filled her mouth so much, there wasn't any room for my cum to exit past her lips, making it so she had to swallow. When I finally let loose of her head and let her pull free, she had a look of disbelief. For one, I hadn't given her warning before filing her mouth with cum and two, that it didn't taste all that bad, unlike what she had been led to believe.

Now it was my turn. We traded places, Carol sitting on the edge of the bed and me kneeling in front of her. I had never felt a girl's boobs before and the soft skin of her firm boobs, felt really nice. Her nipples were really stiff and they pointed at me like large pencil erasers. Knowing her nipples were the source for breast milk, I asked if I could see if I could suck some out for a taste. She didn't think I would be able to get any out but didn't rule out letting me try.

Sucking her right nipple into my mouth, I began to work on it, trying to extract the sweet milk. After a while of not getting any, I switched to the left nipple and began to suck in earnest. It wasn't long after I began to suck her nips that I heard her breathing increase and she seemed to be enjoying it immensely. After 20 min of sucking, and not having anything to show for it, I stopped and decided to explore a little lower on her body.

Carol had a neatly trimmed bush; she had to, to keep from showing off too much hair around the leg openings of her bikini. As I brushed my fingers in among the hair, I found a very wet opening between her legs. Bending down to get a closer look, I saw a protruding nub at the top of her slit. When I brush my finger against it, Carol suddenly inhaled. Curiosity had my fingers brushing over it, watching it respond to my touch. I was so engrossed with my ministrations of this sensitive bud, I didn't notice that Carol had leaned back, closed her eyes, and was softly cooing. I wondered what this sensitive bud might taste like, so I bent down and engulfed it with my lips. Carol's response was not lost on me. She began to move her hips up and down and side to side as I nibbled on this bud. I explored her slit even further. The more I did, the wetter she became. I was curious as to how her fluids would taste and I began to lap up the juices that came out. They tasted pretty good and I just kept lapping them up.

By now, Carol was doing a lot of moving around and it was hard to keep my tongue positioned between her slit. I don't know what possessed me to do it but as I brought my tongue up to the top of her slit, my lips latched onto the swelled nub and sucked for all I was worth. I had no idea this would drive her to an explosive orgasm, and she thoroughly soaked my face with her juices.

With her shaking so violently, I thought I move up to hold onto her to keep her from hurting herself. As I slid up her body, my newly hardening cock slid between her legs, with the swelled knob right at the entrance to her slit. Carol's pussy was so wet, that my cock started to enter her, as I shifted my body to keep from putting her in an uncomfortable position.

It was a little while before I realized I was moving my body so that my cock was sliding in and out of Carol's pussy. Occasionally, my cockhead would bump up against a barrier and I didn't press in any further. It was only when Carol wrapped her legs around me and caused my cock to jab into the barrier. Suddenly it seemed to give way, as Carol let out a pained whimper. My cock was now into her as far as it would go and I held it there for a bit as I checked to see if she was all right. A few seconds later, she told me to continue what I was doing and I began to slide my cock in and out of her at a moderate pace. As I did, I watched serine look wash over her face, while her breathing and heart rate increased.

The room seemed to be getting extremely warm and we were both sweating profusely. It wasn't long before I was getting the same feeling down below that preceded the explosion in Carol's mouth earlier. I instinctively quickened my pace. When that 'feeling' hit, I slammed my cock into her slippery cunt and held it there. Carol's response was to squeeze my cock so hard I couldn't pull out if I'd tried. I blast of cum jetted from my cock, spraying her insides. Carol began to trash about violently, while still maintaining a tight grip on my cock.

As things wound down, my deflating cock slipped out of Carol's pussy and I rolled off the top of her. We probably laid there for fifteen minutes, trying to recover, before getting up and looking at each other like "What just happened and, an acknowledgement of how fantastic it was".

We were too hot still to put our clothes back on, as we looked at the page in the biology book where we had left off. It had a drawing of a number of sperm swimming toward an egg, with the caption that "When the sperm finds the egg, fertilization takes place; the beginning of a baby." Before my parents came back at 10:30pm, Carol and I had reenacted the process leading up to fertilization 3 more times.

When the test scores came back from Tuesday's big test on reproduction and genetics, Carol and I ended up with the best grades in the class.

Just goes to show, when you study hard, you get good grades.

This story is a work of fiction. While I myself fantasized about something like this happening when I was in High School, it is only a fantasy.

On the weekend before a large test, Carol had come over to my house so the two of us could study together. The chapters we were having trouble with the most was genetics and reproduction. While going over some of the stuff in the book, we began relating different family traits we though might be genetically related. Since we were studying reproduction, it somehow lead to comparing our own bodies with the descriptions and drawings in our books.

That weekend before the big test, Carol's fascination with the size and shape of my cock, lead to giving me a really nice blowjob. My exploration of Carol's slit lead to stimulating her clit and causing her to have an orgasm. After her orgasm was subsiding, I hugged her tightly. In this position, the alignment of our bodies had my cock lined up with her slick pussy. It didn't take much shifting of our bodies for my cock to soon be imbedded into her. From there, instinct took over and it wasn't long before her womb was filled with my sperm, to overflowing.

Our weekend studies together enabled both of us to maintain a passing grade, but neither of us were out of the woods as far as our biology grades. With that in mind, both of us resolved that we'd be spending a lot of weekends together.

The weekend after the big test, Carol and I were cracking the books again in my bedroom. My parents had gone to the club again; a predictable Saturday night staple for them. It wasn't long before Carol was teasing me about whether my cock was up to full size, like last weekend. Her hand on my crotch, squeezing and rubbing guaranteed that my cock was large and hard.

I did nothing to dissuade her when her hand undid my belt and unzipped my fly. Her hand now had easier access and did not have to fight my pants to get to my cock. Her hand slipped effortlessly into the opening of my boxers, pulling my swelling cock into view. After a week of not feeling her touch, tt felt wonderful to have her soft fingers wrapped around my cock again, stroking me into hardness. When my cock was nice and firm, Carol gave me a lustful grin, bent down and slipped her lips over the head of my shaft. Slowly bobbing up and down, she swirled her tongue on my shaft on the up-stroke. Apparently, she had been doing some research on the subject since last weekend and she was putting that new-found knowledge to good use. When my cock erupted and filled her mouth with cum, she greedily swallowed every drop.

Carol had me so worked up, I just grabbed her and practically threw her onto the bed and yanked her panties off in one fluid motion. Not really giving her time to think, I pulled her labia lips apart and put my lips on her clit and sucked like a man possessed. It only took a few moments for her engorged clit to swell to 3 times its normal size. Carol was soon writhing back and forth on the bed, making unintelligible guttural sounds. Every once in a while, I'd stop to admire the look of exquisite on her face, then go back to licking her slit and sucking her clit. I was about to look up again when I heard her saying "Almost, almost, almost, oh God, I'm cummmmmming." I felt Carol's hands grab my head and jamb my mouth hard into her cunt. A half second later, she was filling my mouth with her girl juices and I was lapping it up as fast as I could.

When Carol relaxed her hands on my head enough for me to move, I took the opportunity to move up further on her body. My cock was hard again and I was running on a hormone high. Anticipating where I was going, Carol grabbed my cock and guided it into her dripping cunt. In one continuous motion, I had had impaled her fully.

I began to frantically pump my cock into Carol. Her breathing and heart rate accelerated, as did mine. Beads of sweat rolled off our bodies, as if the friction of our bodies rubbing together had created a fire. Remembering the first time with Carol, I was able to gage both the timing of her orgasm and mine. I knew she was close to cumming when I unloaded my cum into her young womb. I kept on pumping until she wrapped her legs around my body, sucking me into her deeper and making it impossible to move. The muscles in her cunt clamped down on my cock like a vise, trying to squeeze every last drop of my cum out of my cock. Her, screaming in my ear about how hard she was cumming almost deafened me but I was elated to make her so happy.

As usual, the bed sheets were soaked and we had to run down to the washer, still naked, to wash and dry the sheets before my parents got back from their Saturday night dancing. We'd then go back up to my room to do some studying, snuggled up to each other, still naked.

Saturday's study sessions usually unleashed such an adrenalin rush that both of us were still on cloud 9 on Tuesday. And so it went for the next few months until graduation; Carol and I would be spending every weekend cracking the books and fucking each other into exhaustion. It became obvious to everyone around us that there was something going on but nobody was sure haw far it had gone.

A week before graduation, Carol confided in me that she hadn't been feeling well for a week or two and had gone to the doctor to have a check-up. The doctor told her she was just fine . . . except for one thing . . . she was pregnant. When I heard the words "pregnant", I was in shock. She had anticipated my next question and before I had a chance to open my mouth, her next words were "and it's yours". When the initial shock wore off, I took her in my arms, kissed her, and assured her that I loved her and that everything would be alright.

The graduation ceremonies went off without incident, except for a slight wobble in Carol's walk across the platform for her diploma. Most people thought there was something on the stage that caught the heel of her shoe. Later, she confided in me she was a little dizzy; the flood of hormones in her body because of the baby growing inside her womb, made her a little faint.

A month later, we were married at a small. family-only ceremony. That Fall, my parents helped pay for additional education at the local community college while Carol made preparations for the baby. Days before I was to start my second semester, I was holding Carol's hand in the delivery room. After hours of panting and screaming, a beautiful little boy with redish brown hair made an appearance, to the relief of everyone in the delivery room. The product of our long study sessions the previous Spring had taken after his dad; while he suckled on one of Carol's nipples sucking nourishment from it, I took a taste from the other. While it probably would have been better to wait a few years before the babies started coming, Carol and I were in heaven just watching our progeny blissfully sucklingI can tell you, having a kid at any age can be exhausting but when you're that young, things can get a little stressful. Thankfully, Carol's mom would come over to our apartment to help out and I really appreciated it, especially since my days were in class at the junior college and my evenings were devoted to studying. Carol's mom moved in to help out. Since her husband Jim had to be in Europe for 6 months on business, it just seemed to make sense.

The first three months were what were really took a toll on both Carol and I. Having the baby really exhausted her and, being short on sleep because of frequently breastfeeding our son, she usually went to bed early. Our sex life went from fantastic to zip. The doctor didn't want Carol to get pregnant again for at least 6 months, to give her body time to recover. That left me in a predicament. My sex drive hadn't diminished much and our son occupied so much of Carol's time, there were few opportunities for her to tend to my needs. Also, it felt a little awkward to be giving myself a hand job with Carol asleep next to me. The need for sex was driving me crazy. Carol's mom provided an answer to my problem.

It was on a Friday night that I found myself sitting on the couch next to my mother-in-law Judy. It was about 8:30 and Carol had breastfed our son and put him back in his crib. She had been short on sleep all week and went to bed immediately afterward. So it was just Judy and I on the couch watching TV.

Let me tell you about Carol's mom. She is a real knockout. I can see why Jim had the hots for her when he'd first met her. Even though I was deeply in love with Carol, I couldn't help thinking about what it would be like to have Judy in bed. My need for sexual attention didn't help. Judy's mom was about 5'6", and I guessed her other dimensions were about 36-28-32. She had straight, long brown hair that flowed down her body and didn't stop until it came to her waist. She had a perfect face and dreamy eyes. I guess Jim was somewhat like me and Carol in that Him and Judy got married right after high school and had Carol soon after.

The movie Judy and I were watching was some steamy chick-flick. Right at a commercial, Judy lost attention in the movie; her ears had perked-up to the sound of my son starting to cry. I was about to get up to tend to him, when Judy pushed me back into the couch and told me she would take care of it. Less than 5 minutes later, Judy came back, only with my son in her arms. Apparently, he needed changed but was too fussy to go back to sleep.

My attention was mostly on the movie and I barely noticed how Judy was cuddling my son until I heard some faint sucking noises. I looked over and saw my son sucking on Judy's nipple. I knew my son couldn't be hungry, he just needed some comfort to go back to sleep. Carol and I didn't want our son to get addicted to pacifiers. When Carol was awake, she'd have our son sucking on her breast. Not only did it give our son some comfort but it provided Carol with a measure of pleasure as well. Anyhow, since Carol was too exhausted to wake, her mom stepped in.

I had always tried to imagine what Judy's breasts looked like but never thought I'd get the chance to see. When I looked over at what was going on I could tell Judy had taken off her bra and the all the buttons of her blouse were undone, giving my son easy access to Judy's tit.

Judy's breasts were beautiful, just like my wife. They were still firm, with pinkish-red nipples that reminded you of pencil erasers. I couldn't help stare as my son softly sucked at them. Soon, my son was almost fully asleep, taking a few tentative sucks every 5-10 seconds. Gently dislodging his mouth from her tit, Judy cradled him in her arms and got up to take him back to his crib. As she walked back to his bedroom, I had time to reflect on what just happened.

My mother-in-law had just calmly flashed her boobs at me as my son sucked on her tit. The sight of seeing my son suck her tit got me really horny and my cock was rock hard underneath my sweatpants. I was beginning to wonder if I had dreamed this, when Judy came back in the living room and sat down on the couch next to me. When I looked over, I saw her blouse was still undone, with boobs mostly in view.

I was about to speak, when Judy calmly told me she had put my son back in his crib, then checked on Carol, re-closing the bedroom door afterward. I was even more astonished when she told me "Looks like something needs attention", looking at the bulge in my sweatpants. I was still speechless when her hand rubbed over my cock, still hidden by my sweatpants. I was still in stunned silence when her hand slipped effortlessly under the waistband of my sweatpants, wrapping her fingers around my stiff cock. I suppose I should have objected but I was too enraptured with her fingers working my cock to complain. It was obvious that Judy had a lot of practice giving a hand-job. Her fingers would softly slide up and down my shaft; sometimes her fingernails would graze across my balls; sometimes her palm would twist around my knob. At some point, I even slipped my sweatpants down to give her better access. I was already slouched on the couch so when she swung her leg over mine, it made it so she was sitting squarely on my lap, and without her hand on my cock missing a beat.

The look of astonishment on my face prompted her to tell me that she knew Carol and I hadn't been able to be intimate for months because of the doctor's orders and because Carol had been pretty worn out with the baby. Knowing how much I liked a perfect pair of boobs, she thought she'd give me a show and some relief. I couldn't deny it, Judy knew my weakness for great looking boobs and it sounded like mother and daughter had been confiding with each other.

Additionally, with Jim having been gone for more than 5 months, she was feeling awfully needy herself. Junior sucking her tits was just not cutting it, she needed a man to take care of her needs. Scooting further up on my lap until Judy's pussy was hovering above my cock, she reached under her skirt and pointed my cock at her panty-covered pussy. When my knob made contact, I realized there was no cloth barrier, only wet pussy lips. Apparently, when Judy had taken my son back to his crib, she had this in mind all along and had removed her panties in preparation.

In smooth, slow motion, Judy sank down on my lap, impaling herself on my cock. For her age, she had an incredibly tight pussy. As she wiggled back and forth and bobbed up and down on my lap, her tits were in easy reach of my mouth, imploring me to suck them. Being the dutiful son-in-law, I didn't object to my mother-in-law's offering, alternately latching on to each nipple and sucking as if I were starved. While Judy's tits did not give me a fluid reward like my wife's tits, I was still deriving pleasure from sucking on mom's tits.

Each time Judy dropped down fully on my cock, she would do a little forward and backward motion, which I suspected was a way to rub her clit on the base of my cock for extra stimulation. This was a technique I noticed Carol started using about 6 months ago. I wondered if mom had been giving daughter some pointers on fantastic sex. When I lifted mom's skirt, I saw she was shaved smooth, leading me to suspect Judy had planned for this to happen and had been waiting for just the right time.

Each decent onto my cock became faster and faster, emphasizing Judy's urgency. While she was bouncing and grinding my cock in her pussy, my hands were kneading her boobs. My mouth hungrily sucked her tits, my tongue flicking across the stiff bud. Both of us were totally lost in lust.

When my cock shot its hot cum into her womb, she just grinned and kept bouncing faster. When I saw her face contort and she dropped down onto my lap and stayed there, I knew she was cumming. If I hadn't acted fast to cover her mouth to muffle her scream, all the neighbors would have known what was going on. I had no idea she was a 'screamer'. The muscles in her pussy went into pulsating contractions on my cock.

When Judy was totally spent, she slumped on top of me, with her head resting next to mine, on the top of the couch. I could feel her heart pounding as fast as mine. Even though we were in this position for no more than 10 minutes, it seemed like forever. Every time Judy shifted her body even slightly, it caused my cock to spasm inside her.

I was brought back to reality, when Judy suddenly jerked her head around at a faint noise coming from the living room doorway. What Judy and I saw had us both prepared for the worst. There, standing in the doorway with a stern look on her face and her arms crossed, was my wife Carol. I'd been caught red-handed by my wife, fucking her mother's brains out. I thought I was a deadman. Carol held the silence for an incredibly agonizing long time. All the while Judy's body was still sitting on my lap and my deflating cock still in her cunt.

I was about to do one of those "I can explain" responses, when Carol cut me short with dismissive waive of her hand. The next words from Carol were something I would never have expected.

"If you two are going to make so much noise screwing each other's brains out that you wake people up, the least you could do is save some of his hard cock for me."

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