Human Anatomy and Sexuality 101 – Part Four [MFF] [Threesome] [Exhib] [Mast]

Week 4 – Self-Stimulation

The Saturday after our third class happened to be my birthday, but when I woke up the house was empty. There was a note from my wife, Leslie, informing me that she had run out for a bit, but that she would be home shortly. Also that her sister Rachel would be coming home with her, so I should make sure that I was dressed when they got back. Joke’s on her, I thought with a grin, Rachel had not only seen me naked twice now during our last two classes, but I had eaten her out and she had helped jack me off. But I got dressed nonetheless, as Leslie was not aware of the personal nature of our Human Anatomy and Sexuality class.

When the girls got back they had all of the stuff for a barbecue, but suggested a dip in the pool before we started grilling. I went up and got changed into my suit, and they suggested I head to the pool while they got changed. When they came out the back door, they were both wearing what appeared to be new bikinis, and they were the smallest ones I had ever seen with tiny patches covering their nipples and pussies and strings everywhere else. “Happy Birthday,” they both said simultaneously with big smiles on their faces. I couldn’t believe what I was seeing. Was my wife really offering herself and her sister to me as a birthday present? I couldn’t wait to see where this was leading.

Human Anatomy and Sexuality 101 – Part Three [MF] [Exhib] [HandJob] [Oral] [Squirting]

Week Three – The Reproductive System

The next week seemed to drag by; I couldn’t get my mind off last class, and how I ate out my sister-in-law Rachel and was given a hand-job by a complete stranger, who then proceeded to catch and swallow all of my cum like an expert. Thinking about it though made me a horn-dog at home, and my wife Leslie had never been happier. I probably should have felt guilty that I was being used as a live subject, along with her sister, for our Human Anatomy and Sexuality class, and maybe to some extent I did; however I justified it by telling myself that Leslie was benefiting from it as well, and my love for her had never been stronger. In my justifying mind, I had not technically had intercourse with another, and was therefore not cheating on her. I tried not to think too hard about what weeks 6 and 7 had in store for us in class.

Human Anatomy and Sexuality 101 – Part Two [MF] [Exhib] [HandJob] [Oral]

Week Two – The Human Body

I got to class 20 minutes early the next week, and Kate and Rachel were already there. Rachel looked like I felt – nervous, queasy, excited (horny?). After exchanging pleasantries, Kate led us into a back room that was used for storage of old books and other supplies. There were two bath robes hanging on a hook on one of the walls next to some empty shelves. “We’re going to jump right in,” Kate started. “You two will strip completely naked, you can put your clothes here”, she indicated to the shelves. “Put on the robes, and wait for me to come and get you. Any questions?”

I knew this was coming, but I was hoping maybe we would ease into it a little…apparently I was wrong. “Kate,” I said quietly, almost hoping Rachel wouldn’t hear me, even though she was standing right next to us, “I have a, um, question. This is kind of awkward,” of course Rachel was hanging on every word, “but what if I get an erection?” Both ladies’ eyes went automatically to my crotch, where there was already a bulge forming in my pants, and then quickly back up to my face. Rachel giggled nervously, but Kate was nonplussed.

Human Anatomy and Sexuality 101 – Part One [F] [Exhib [NoSex]

Part One – Introduction

It was my last semester of college, and damn was I ready to be done. Senioritis had set in years ago it felt, and at times I never thought I’d make it. One of my classes that semester was Human Anatomy and Sexuality, one that I had been purposefully putting off because I thought it was stupid that I, a Computer Science student, had to take it. Like most of mine these days, it was a night class as I had a full-time tech support job to support my wife and toddler. As I sat in the back row waiting for class the first night, I felt a backpack bump across the back of my head as someone walked by behind me. In annoyance I turned around, only to see the smiling face of Rachel, my wife’s little sister looking back at me. My annoyance instantly left, but I kept up the facade. “What the hell are you doing here?”

My Wife, the Closet Exhibitionist, Part II – The Babysitter [MFF]

[Part One](https://www.reddit.com/r/eroticliterature/comments/cau4d1/my_wife_the_closet_exhibitionist_mf_public/)

I could never, in a thousand years, have guessed that I would be in this situation. I was naked, in the front seat of the car pulling into our garage. Next to me was my wife Kristen, who was also naked, sitting in the passenger seat. We were about to walk into our house where the babysitter, Becka would be most likely sitting at our table working on her college homework and the kids would, please God, be in bed. The ride home had been a blur; our clothes finding new homes along the side of the road and my gorgeous wife keeping me in a fairly constant state of arousal, despite having recently fucked her on the hood of the car in the restaurant parking lot. She had promised me a 40th birthday that I would never forget, and had already lived up to her word. But she clearly had more in mind.

“You’d better let me go in first,” she said as she pushed the button to close the garage door. “Seeing that first thing coming through the door,” she nodded at my 7” hard cock, “could give her a fright.”

My Wife, the Closet Exhibitionist [MF Public]

It was my 40th birthday, and so far it sucked. I had to go into work early for an overseas conference call, but to make up for it I got to stay late for another one. By the time I got done at 7:00 PM I had been there for over 13 hours. My wife had suggested that we meet for a late dinner afterwards, just the two of us, and unwind a little to celebrate surviving the day, and the 40 years before it. As I headed to the restaurant, I admitted to myself that I really just wanted to go home and relax. When I got to the restaurant, a hip, “dark” place I had never been before, my wife Kristen was already at the table. 5 years younger than me, she was definitely the “better half”. Long brown hair, D size breasts, and hips that I loved to hold on to while we made love. Her slim waist hid nicely the fact that she had given birth to three children and her green eyes sparkled in the light from the candle as she stood to kiss me. She looked beautiful tonight, and I was instantly glad I came.

Sister-In-Law [MFF]

For as long as my wife Stephanie and I have been married (12 years now), her sister Janice and I have been flirting. Don’t get me wrong, it’s all very innocent; a longer-than-normal touch as we pass something across the table, a slight foot brush underneath said table. I like to give her a hard time (no pun intended) and she likes to pretend that she disapproves of me. When in reality, the whole family, including her, knows that I’m ten times better than the doucebag John that she married. While I get the feeling that she would let the flirting progress, I would never actually cheat on my wife.

Well we planned a trip, just the four of us, to the mountains for a week. It was supposed to be a chance for each couple to spend some time together, unwind a little, and maybe for the sisters to do a little shopping. I was looking forward to spending a lot of time alone with my wife, and saw the tagging along of the sister-in-law and her husband as an unavoidable annoyance. At least they would be in their own room. Or so I thought…

Sisterly Love [MFF] [Short]

It’s your sister. You know I’ve always wanted her, and as she sits across the table from us at the family Thanksgiving dinner, you catch me making eyes at her. I feel a foot press against mine, and I don’t know if it’s yours or hers, but I press back. You reach into my lap and feel my hard cock, and then she winks at me and I know that there are plans in place that I’m not aware of.

Later we’re up in the room that we’re staying in for the weekend, the same one you used to sleep in as a teenager. We’re laying on the bed and we start to fool around. Once we’re naked, you drop down to the foot of the bed and start sucking on my cock. Quietly, the door opens and your sister slips in, naked. Your increased fervor tells me that you know she’s there, but you don’t acknowledge her. She’s a sight to behold, standing at the foot of the bed, sweat glistening off her skin. She watches you blowing me, and then starts touching herself. It’s too much for me to handle, and I shoot load after load of hot cum into your mouth and down your throat.

Bank Robbery [MF] [Public]

The last thing I wanted to do today was stop by the bank. It was the end of a long day at work and I just wanted to go back to my apartment and veg. But work had messed up my direct deposit and if I didn’t get that check deposited today it would mess up my bill pay; so here I was, fifth in line at the Wells Fargo. At least the scenery was nice, I thought. The bank was near a college so there were always some nice co-eds to look at while I waited.

“EVERYBODY FREEZE!!!” Oh shit, I thought, as everyone started screaming. Four big men with ski masks on had come through the door yelling and waving guns in the air. It was a takeover robbery, and I was stuck right in the middle. The one at the front had yelled the command, and he seemed to be the one in charge. “If everybody does exactly as we say,” he went on, “everyone will leave here today in one piece. We’re here for everything we can get, and we don’t want anybody hiding things or trying to sneak a phone call to the cops, so I’m going to need you all to take off your clothes.” The bank went silent as everyone gaped at the robber. After a moment of silence, everyone seemed to start talking and protesting at once.