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The Sex Education Class Chapter 3
Eric
As I left my parent's home after dropping my siblings off I sighed deeply. Mandy was the sexiest woman I had ever laid eyes on and she made my cock hard as steel just by looking at her. Even covered in dirt and dusty from head to toe she was still absolutely gorgeous. I groaned as my cock twitched in my jeans.
One of the reasons I agreed to take this teaching job was because I was 25 and horny as hell all the time. I had loved the idea of teaching these young hot girls how to have sex. But I had never expected that my own sister would be the one I wanted more than any of the other girls.
I had finished my degree in human biology at Oxford but had decided against going on for a medical degree. I missed my parents and Northern California so I had called dad and asked him if he knew of a position somewhere that I would be qualified for. Dad had told me that the school was looking for a new biology teacher and they also wanted someone to teach a new sex ed. class. It was exactly what I was looking for so I applied and got the job easily.
I had actually lost my virginity in a class very similar to the one I was now teaching. The Sex ed. class in my boarding school had been one of the best experiences in my young life. We had had a female teacher at that time named Mrs. McCracken and she was the first woman I had ever made love to. She had been beautiful with long dark red hair and a body that would make a man go crazy. She had been an Irish lass and her accent really turned me on. She had been an excellent teacher and she also loved to teach us young guys how to properly make love to a woman. Most of the guys in my class were in love with her, including me.
I had also experimented with homosexuality in that class. I did not consider myself to be gay but I had sucked a hard cock and I had not been completely grossed out by it. I had also had a cock in my ass. The experience had been interesting to say the least. Mrs. McCracken had brought her husband to class one day and she had strongly encouraged all of us boys to suck his cock. She had said that it would help us to understand what a woman felt when she was sucking on our cocks. Her husband had come back to class periodically and we were encouraged again to let him take our ass virginity. She again said it was so that we would understand a bit more what a woman felt while she was having sex. I have to admit that the experience had been halfway enjoyable though I did most definitely prefer women to men!
I pulled into my apartment building parking lot and parked the car. I made sure it was locked and then walked up the stairs to my apartment. As I walked up the stairs my mind conjured up the image of Mandy's long legs walking up these same stairs and my cock jerked at the thought. Damn, why did she have to be my sister!
She had only been 7 years old when I had left for England and she had been a skinny little brat back then. She had always been following me around and trying to get me to pay attention to her and it drove me crazy. I had been 15 at the time and the last thing I wanted was a little sister tagging along with me and my friends.
Well, she was not a skinny little brat anymore and now I actually wanted her to follow me around. I was aware of the fact that she was attracted to me as much as I was to her. I had 8 years of experience on her so I could tell when a woman was attracted to me. I also knew that she did not know what to do about it. She may have been the most popular girl in school and the head cheerleader but this was out of her realm of experience and it was painfully obvious that she didn't know how to deal with this attraction between us.
And yes the attraction was definitely mutual! I was better at hiding my feelings but she made me want to do whatever I could to see her smile. That was the main reason for the joyride tonight. I loved her laugh and the freedom of our little jaunt had made her laugh and her eyes sparkled with joy. I had really enjoyed myself tonight!
I was teaching 2 biology 101 classes, 2 human biology classes and the sex class. I was already prepared for tomorrow's lectures but I wanted to go over my notes a bit more before I called it a night. As I was looking over my notes I found I was having a hard time concentrating. All I could think about was Mandy's nice tits encased in that black bra that had been easy to see through her tank top. I wondered what they would have looked like without the bra.
I finally gave up on reviewing for tomorrow and decided to go to bed. I grabbed my laptop and went into the bedroom. I stripped down naked and hopped into bed with my computer. I quickly brought up my favorite porn site and found a video with a girl that had long blond hair and big tits just like my sister did. As the girl started to show her assets to the camera, I squirted some lotion into my hand and started to slowly stroke my nine inch steel rod.
The woman in the video slowly turned around and bent over and her ass was incredible. She slowly lifted her short red skirt until you could see the red thong that she wore under it. Then she dropped the skirt and turned back to face the camera. She slowly moved her hands over her big tits that were covered by a white blouse. With a teasing smile she slowly started to undo the buttons on the blouse revealing a red bra that matched her thong panties.
As I watched this blond beauty strip all I could see was Mandy's face and I imagined that it was her stripping for me instead of some strange woman on film. I saw Mandy slowly take off the white blouse and run her hands over her big tits that were barely contained by the red underwire bra. The woman on the screen leaned forward and wiggled her huge melons into the camera and I groaned as I pictured Mandy doing the same thing.
She turned away from the camera again and slowly lowered the red skirt down her long shapely legs, bending at the waist and giving the camera a nice shot of her shapely ass. She stepped out of the skirt and then bent down even further and ran her long fingers over the damp red material of her thong. She then stood back up and turned back around. She moved the finger that had been toying with her moist pussy to her lips and slowly sucked it into her wet mouth. She moved her finger in and out of her mouth like she was sucking on a small cock and I groaned as my cock jerked in my hand.
A big muscular man entered the frame and grabbed the blond whore by the waist and started kissing her. He was completely nude and his cock was about the same size as mine. His hands undid her bra and he yanked it off her body and then he started to devour her tits. Her hands were buried in his hair and she started to moan as he bit and licked her engorged nipples. My hand started to move up and down my shaft faster as I wished it was me sucking on Mandy's nipples. I bet her nipples were big and hard and stuck out like little erasers. I moaned again just at the thought.
The man in the video then pushed the blond down onto the bed and she spread her legs for him. You could see that her red thong was soaked from her juices. The man knelt between her legs and moved the wet thong aside and then ferociously attacked her glistening pussy with his mouth and tongue. You could hear the slurping noises he made as he drank all her juices. Fuck that was hot. I wanted desperately to drink my sister's nectar.
The man stuck three fingers into her dripping pussy and started to finger fuck her hard and fast. She was groaning and moaning and within a few seconds her body started to quiver and jerk and she screamed as she squirted all over the guy's face. Some of her cum even landed on the camera. My hand started to stroke my steel rod faster and faster and I could feel my own orgasm starting to build in my balls as I watched the hot blond slut on camera have an amazing orgasm.
The camera shot changed and now I saw the man mount that blond bitch and in one hard thrust he was balls deep inside her sloppy pussy. He was ramming into her hard and fast and the sounds of his balls hitting her ass and her moaning was so fucking hot. Her snatch was completely bare and glistening. I was stroking as fast as I could go, wishing I was slamming my hard cock inside my little sister's tight snatch.
The man pulled out of the blond slut and she squirted again all over the bed. The man flipped her onto her tummy and lifted her hips up and then buried himself in her ass in one swift motion. She screamed as he roughly fucked her in the ass and the camera shot changed to beneath their joined bodies. I could see his cock push in and out of her tight asshole and then her fingers came into the picture. She started to play with her clit as the stud pumped in and out of her ass.
She started to scream as he slapped her ass hard. The camera shot changed again and I saw him grab a fistful of her long blond hair with one hand and he pulled her head up hard so her back was arched. This pushed her gorgeous tits out and gave him leverage to fuck her even harder. With his other hand he spanked her ass again and again and started calling her all kinds of filthy names.
The camera changed again to underneath them just as she started to squirt one last time. Then the shot changed again as he pulled out of her ass and she quickly turned around and started to suck on his thick piece of meat. She sucked on him hard for a few seconds and then with a loud groan I could see his cock jerk as he unloaded his jism into her mouth. She tried to swallow it all but his load was so big that some of it dripped down her chin.
Just as he was starting to come in her mouth my own orgasm reached the boiling point and I grunted as I felt my own load leave my balls and travel up my shaft. White creamy liquid exploded from the tip of my cock as my body jerked and spasmed in an amazing orgasm. I moaned Mandy's name as I came hard and then collapsed from sheer exhaustion. Fuck that was hot! The only thing I wished had been different was that I had been actually coming in Mandy's mouth.I grabbed a washcloth and cleaned up my chest and tummy and then turned over and went to sleep.
The next morning I woke up with my morning wood hard and aching. Damn it, I would think after the orgasm I had last night I wouldn't have woken up with such a painful hard on. I jumped in the shower and as the water poured down over my body I imagined Mandy in the shower next to me. I thought about the hot water pouring down over her long blond hair and cascading over her big tits and taut belly. I imagined pushing her up against the shower wall and picking her up by her tight ass and penetrating her soft vaginal tunnel. I imagined that she would wrap her shapely legs around my waist and her fingernails would dig into my shoulders as I pounded in and out of her tight virginal channel over and over again.
My hand was pumping my hard on and squeezing the shit out of it and it did not take long for my balls to contract and white cream shoot out onto the shower wall. Oh fuck, that felt good! But it seemed like such as a waste as I watched my prolific cream wash down the drain. I wished those little fuckers were swimming up my sister's love channel instead of down a drainage hole.
I got out of the shower and got dressed then grabbed my briefcase and headed to school for another day of teaching. My first class was biology 101 and things went pretty smoothly. My biggest problem was the girls. It seemed as if I had become quite popular in the one day I had been here and all the girls seemed to do something to flirt with me. Some of them were shy and were not obviously flirting with me but other girls were outrageous in their flirtations. One girl in my human biology class right before lunch even spread her legs and flashed her naked pussy at me. Fuck that was a sweet looking cunt!
At lunch I went and ate with the other teachers in the teacher's lounge and Mrs. Anderson was there. She came over and sat next to me, "Is this seat taken?"
I shook my head, "Please join me." Mrs. Anderson was a woman in her mid-forties and she was on the plump side with large breasts and a huge ass. She had dark brown hair and blue eyes.
She sat down in the chair across the table from me and asked, "So how are things going so far?"
I answered, "Good. My biggest problem right now is all the girls that want to flirt with me."
She smiled, "Well, I guess the English accent has a way of attracting the girls like bees to honey."
I smirked, "I guess that must be it."
She grinned as she asked, "And how is the sex ed. class going?"
I replied, "It seems to be going well. Only two girls decided to transfer to your class yesterday."
She asked, "And what are your lesson plans for the coming semester?"
I smiled, "Well, the first few weeks will probably mirror your class with the traditional clinical descriptions of human sexuality. After the first month I want to start allowing the kids to experiment with each other's bodies."
Mrs. Anderson sighed as her hand touched mine, "Damn, I would love to be one of your students."
I laughed, "I am sure you could teach these kids a thing or two, Mrs. Anderson!"
She laughed as she squeezed my hand, "I'm sure I could too and you can call me Susan, my dear."
The bell rang and I stood up to go back to my classroom. "Well, have a good afternoon, Susan."
She smiled, "You too, my dear."
I went back to my classes and concentrated on the next two lectures I had to give. The first class was my second biology 101 class and the next class was one of my human biology classes. Both classes went well and I gave the kids a reading assignment for the next day.
The last class of the day was the sex ed. class and as the kids filed into the classroom I was a bit nervous. Mandy walked in with her best friend Joana and just seeing her made my cock twitch in my dress slacks. What the fuck was wrong with me? She was my sister for Christ's sake!
The bell rang and I called the class to order and then took attendance. Everyone was here so I started today's lecture. I pulled up my power point slides and started to tell the kids about the reproductive systems in a woman's body.
I started the lecture, "In the human reproductive process, two kinds of sex cells, or gametes, are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system."
I pulled up the slide of the female reproductive system, "The human female has a reproductive system located entirely in the pelvis. The external part of the female reproductive organs is called the vulva, which means covering. Located between the legs, the vulva covers the opening to the vagina and other reproductive organs located inside the body."
I continued, "The fleshy area located just above the top of the vaginal opening is called the mons pubis. Two pairs of skin flaps called the labia, which means lips, surround the vaginal opening. The clitoris, a small sensory organ, is located toward the front of the vulva where the folds of the labia join. Between the labia are openings to the urethra, the canal that carries urine from the bladder to the outside of the body, and vagina. Once girls become sexually mature, the outer labia and the mons pubis are covered by pubic hair. Many girls shave this hair off now."
"A female's internal reproductive organs are the vagina, uterus, fallopian tubes, and ovaries. The vagina is a muscular, hollow tube that extends from the vaginal opening to the uterus. The vagina is about 3 to 5 inches long in a grown woman. Because it has muscular walls, it can expand and contract. This ability to become wider or narrower allows the vagina to accommodate something as slim as a tampon and as wide as a baby. The vagina's muscular walls are lined with mucous membranes, which keep it protected and moist."
I moved to a new slide, "The vagina serves three purposes: 1.It's where the penis is inserted during sexual intercourse. 2. it's the pathway that a baby takes out of a woman's body during childbirth, called the birth canal. 3. It provides the route for the menstrual blood called the period to leave the body from the uterus."
I looked over the class, "I hope you are taking good notes because you will be tested over this material." Then I went back to my notes, "A thin sheet of tissue with one or more holes in it called the hymen partially covers the opening of the vagina. Hymens are often different from female to female. Most women find their hymens have stretched or torn after their first sexual experience, and the hymen may bleed a little. This usually causes a bit of pain to a lot of pain depending on how big the woman's hymen is and if she has been well prepared for intercourse. Some women who have had sex don't have much of a change in their hymens, though. It is very dependent on the woman."
I moved to the next slide which was a close up drawing of a uterus. "The vagina connects with the uterus, or womb, at the cervix, which means neck. The cervix has strong, thick walls. The opening of the cervix is no wider than a straw, which is why a tampon can never get lost inside a girl's body. During childbirth, the cervix can expand to allow a baby to pass."
I continued, "The uterus is shaped like an upside-down pear, with a thick lining and muscular walls in fact, the uterus contains some of the strongest muscles in the female body. These muscles are able to expand and contract to accommodate a growing fetus and then help push the baby out during labor. When a woman isn't pregnant, the uterus is only about 3 inches long and 2 inches wide."
"At the upper corners of the uterus, the fallopian tubes connect the uterus to the ovaries. The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. They produce, store, and release eggs into the fallopian tubes in the process called ovulation. Each ovary measures about 1½ to 2 inches in a grown woman."
I used a small red laser light to point at the slide. "There are two fallopian tubes, each attached to a side of the uterus. The fallopian tubes are about 4 inches long and about as wide as a piece of spaghetti. Within each tube is a tiny passageway no wider than a sewing needle. At the other end of each fallopian tube is a fringed area that looks like a funnel. This fringed area wraps around the ovary but doesn't completely attach to it. When an egg pops out of an ovary, it enters the fallopian tube. Once the egg is in the fallopian tube, tiny hairs in the tube's lining help push it down the narrow passageway toward the uterus."
My laser made the trek down the fallopian tube, "The ovaries are also part of the endocrine system because they produce female sex hormones such as estrogen and progesterone. Sexual reproduction couldn't happen without the sexual organs called the gonads. Although most people think of the gonads as the male testicles, both sexes actually have gonads: In females the gonads are the ovaries. The female gonads produce female gametes or eggs; the male gonads produce male gametes or sperm."
The bell rang, signaling the end of the school day and I called out, "Please read chapter 2 in your textbook for tomorrow."
Mandy seemed to be in a hurry to leave so I quickly intercepted her, "Um, Mandy, Can I speak with you for a moment?"
She blushed, "Er, um, Mr. Johnson, I have to get to cheerleading practice in the gym so I really don't have time today."
I smiled and stepped back to let her pass, "Ok, then I will see you tomorrow."
Mandy and Joana left the classroom and I was inundated with some of the other girls that wanted to flirt with me or ask questions. I sighed and put on my professional game face and answered all their questions while trying to evade their questing hands.
I finally got rid of the last girl and packed up my briefcase. As I was headed out to my car I passed by the gym and heard some awesome rock music so I thought I would sneak in for a peak. I entered the gym and stood next to the bleachers.
Instantly I saw Mandy and my cock sprung to attention. She was wearing tight black Spandex shorts that had a hot pink strip down the side and a hot pink sports bra that was outlined in black. Her blond hair was tied back with a black ribbon and I could see that she had been working out hard because there was a fine sheen of sweat covering her body. I decided to stay and watch the rest of practice so I climbed up a few steps on the bleachers and sat down. I placed my briefcase on my lap to hide the bulge in my slacks.
As I sat there watching my sister and the other cheerleaders go through their dance routine I was very impressed. They were very good! And Mandy was an excellent leader in that she was encouraging and would help make sure everyone was in the right place and had the right stance and so on. I was very impressed.
Not only was I impressed but I was very turned on. My sister was wearing next to nothing and even with the sports bra her tits bounced and jiggled all over the place. Her ass was outlined very nicely by the black spandex and I really envied the guys who lifted her up in the air by her ass. Damn, I was getting very uncomfortable sitting here with my stiff cock pressing against the material of my slacks.
I sat and watched them go through the routine one last time and then they called it a day. Fuck I saw enough of my sister during that routine to fuel my fantasies for a long time! I quickly stood up and left the gym with my briefcase held in front of me.
I didn't think I could get to my car before anyone would notice so I quickly walked back to my classroom. Damn, I need to jerk off badly. I unlocked the door and walked in without turning the lights on. I sat down behind my desk and quickly undid my pants. Fuck that felt better!
I opened my desk drawer and took out some lotion I had stashed there for this exact purpose and squirted some into my hand. Then I closed my eyes and pictured Mandy in that super sexy sports outfit and slowly started to stroke my rigid pole. I thought about what it would be like if my sister was stroking my cock instead of me.
I pictured her stroking me over and over as I lay on a bed and then she would straddle my head and push that perfect ass onto my face. I would lick up all that wonderful cream and push my tongue into her virgin cunt as far as it would go. Then I thought of her taking my big shlong deep in her throat as I continued to drink her sweet juice. The idea of deep throating me made my cock jerk in my hand and I moaned out loud.
Fuck, I wanted my own sister more than I have ever wanted another woman in my life. I just knew her pussy would be as tight as a vise and she would love my big nine inch cock pummeling in and out of her. I could feel my dick twitch again as I imagined how tight her sheath would be.
I was so lost in my fantasy that I did not hear Susan Anderson enter my classroom until she said, "Oh my! That looks so yummy!"
I jumped a mile out of my chair when I heard her voice and I opened my eyes. She had an evil grin on her face and her eyes were glued to my hard rod of steel. One hand came up and she pinched one of her nipples through her blouse as she whispered, "It looks like you need some help with that, sweetie."
I gulped as she quickly knelt in front of me. I needed a blowjob desperately but I wasn't even attracted to Susan Anderson and I had never intended for her to catch me like this. She quickly grabbed my throbbing dick and while looking me right in the eye licked it from the balls all the way to the tip. Fuck that felt amazing!
At first I started to pull away and then I mentally shrugged and decided to let her do what she wanted to. I closed my eyes and leaned my head back and imagined it was Mandy devouring my cock and sucking on my balls. Susan was very good at giving head but she wasn't the one I wanted so I let my imagination conjure up a picture of my blonde sexy sister instead of the pudgy brunette in front of me.
Susan spit on my cock and then slowly pushed her mouth all the way down until her lips touched my nuts. I could feel the head of my cock lodged in her throat. She swallowed a bit and the convulsions of her throat felt heavenly on my ultra-sensitive head. Her hands came up and she started to massage my balls as she slowly brought my cock back out of her throat. Fuck, this woman knew what she was doing when it came to oral sex!
She started to engulf my dick over and over again as one hand rolled my balls between her fingers. The other hand was at the base of my cock controlling it as she bobbed up and down on it. She kept her lips tight around my shaft and as she came up she would apply suction to my cock. I felt as if she was trying to forcefully suck my sperm right out of my balls.
Her tongue would swirl around the head before she would engulf my sausage again in her hot mouth. Over and over she would do this and I knew I could not last much longer. My hands went to her head and I started to force her to go faster as I felt that tingling sensation start in my balls.
"Oh fuck!" I groaned as my orgasm quickly overtook me and I exploded down her throat. I saw little white spots behind my closed eyelids as my orgasm was so intense that I think I almost blacked out for a moment.
I collapsed back in my chair and opened my eyes. Susan sat back on her hunches and slowly scooped some of my spunk off her chin and licked it off her finger. She grinned at me, "Mm, baby, that was very nice and it was as yummy as it looked."
She stood up and bent to kiss me on the lips. I turned my head and her lips brushed my cheek. "If you ever need any more assistance in this area just let me know." Then she sauntered out the door.
My orgasm had been super strong because that was the first blowjob I had had in months, not because I was in any way attracted to Susan Anderson. Fuck, this was going to cause me some headaches now because she probably thought I wanted her. I leaned my head back in my chair and groaned in frustration. This was all I need on top of all the teeny boppers coming after me.
I did up my pants and grabbed my briefcase to get ready to head home and the only face I could see in my head was that of my young 17 year old virgin sister. Fuck, why did it have to be her that I wanted and not Susan or one of the other girls? Mom and dad would kill me if they knew that I was sexually attracted to my own sister! Oh well not much I could do about it for right now.
Submitted by:
sexybbw71

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