Second Sins 01 - the First Night
Sci-Fi & Fantasy Story

Second Sins 01 - the First Night

by Bully251x 18 min read 4.5 (11,100 views)
body swap body switch body swapping science fic
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My name is Sam Hurst, and my favorite hobby is inventing things. My most recent invention is quite spectacular. I call it the "Second Skin". It's a wearable skinsuit that will transform the wearer into whomever the suit is modeled on. For the first suits, I've made a "Michelle Suit" that will turn me into an exact clone of my wife. I've also made a "Sam Suit" that will turn her into an exact clone of me. I'm hoping I can convince her to try this out and eventually try sex in each others' bodies.

It was Friday night and I had just gotten home from work. Nothing special there, just a boring day in a pharmaceutical lab. Michelle's office did half days on Fridays, so she was already home and cleaning. She loved to clean on Friday afternoons. She stood on a small stool in the living room so she could reach every part of the windows. Dressed in short shorts and a tank top, I could see the curves of her butt hanging out the bottom of her shorts, a view I never got tired of. I came up behind her to give her a kiss. She squealed a bit. I think that startled her.

After our kiss and a hug, I told her I was gonna head down to my lab in the basement and tinker for a bit, then we could make dinner plans.

I headed down to the lab and opened the closet to produce two Second Skins. I laid them out on the counter and took a deep breathe. It was time to see how Michelle would respond.

"Hey babe!" I called. "Can you come down here for a moment?"

A couple moments later she came down the basement stairs, a slight smile showing the dimples I love so much. "Whatcha working on?" she inquired.

"Well, you know the other day when I was asking you if you ever wondered what it would be like to be a man?"

"Yes," she said. "I found that odd because it seemed that we have a pretty great thing going." She smiled even wider as she looked down at her ring.

"But have you ever thought it might be fun to be tall and muscular? Or maybe how much more cleaning you could get done if you didn't need a stepstool?"

Her eyebrows furrowed. "Uh huh," she said suspiciously.

"Well, I've invented something new. Something a bit... strange. It's called a "Second Skin", and once you put it on, it literally transforms you into the person it's modeled after. Doesn't matter what gender, shape, or size. You become that person, and even get their voice."

Michelle looked at me puzzled.

"OK, don't be alarmed." I said. "But I've created this Second Skin of you called the Michelle Suit, and once I put it on, I'll be a perfect clone of little old you."

Michelle laughed. "This is crazy. You think a silicone suit will make you like me? You're almost a foot taller!"

"Just watch." I said. "Now, excuse me, but I have to be naked to try this."

"No complaints here." she winked.

I laughed as I stripped off my clothes.

Michelle was obviously amused by this, but intrigued as well.

"OK, here goes." I slipped my bare feet into the suit and worked it up my body until I could reach my hands all the way in. I then pulled the head up over my face. Michelle was laughing.

"You've stretched me out over your giant frame!" She chortled. "No one would ever confuse you for me!"

"Just watch." I said, my words muffled by the Second Skin.

I pressed the tiny hidden button behind my ear and the suit began to seal itself into place. I felt the weird tickle all over as my body began to transform into Michelle's. My torso shrank, my biceps and calf muscles disappeared, my hands and feet shrank and became more feminine and I felt my hips grow and the space between them widen as my dick and balls retracted and flowed backward, then disappeared completely. After several minutes the entire transformation was complete.

"Oh. My. Gosh!" Michelle gasped as she stepped closer and put her hands on my arms. "That was incredible. How does that work?

"Nanites. Basically a living skin, that runs off your body's own calories. Feel it, everything feels authentic."

"No kidding!" said Michelle. She went around the room examining me, and felt my hands, my skin, and squeezed one of my boobs. "Even this feels like a real girl's breast. And you even have my voice! This is weird!"

"Now that I'm looking out the Michelle suit, would you be willing to try out the Sam Suit? That way we could experience each others' perspectives?"

Michelle paused thoughtfully, still studying me intently.

"OK. But if I don't like it, we can take the suits off right? And if I really don't like it, are you willing to destroy the suits completely?"

I hugged my wife tightly to me. "Absolutely" I whispered into her ear with my own voice.

Michelle stripped off her tank-top, bra, shorts, and underwear. "How do I put the suit on?"

"Take off your wedding ring too. Now, grab the Sam Suit and find the slit in the back and step into it. I'm a little bigger, so it'll take a minute for it to transform to fit."

Michelle was breathing heavily, both out of excitement and nerves as she worked the suit up her legs and pulled her boobs inside, before finally pushing the head up over her hair.

"Now press the tiny button on the back of the right ear." I instructed.

And as my wife pushed the button behind her ear, the suit immediately shrank, covering and transforming her completely.

For the first time, I was standing in front of myself, and it was as creepy as it was fascinating.

"Holy shit. I have a dick!" Michelle exclaimed. "And my voice is so deep!" She held her new, larger arms in front of her eyes and turned the palms over several times, obviously taken aback.

"Now isn't this cool?" I said. "See how cool being each other is?"

I saw her cock begin to twitch and rise.

"Umm, we should probably go ahead and get dressed." I suggested.

Michelle tried to stand her full six feet in height, and laughingly swayed as if she'd been drinking heavily.

"That's amazing!" She reached her larger arm down and lightly grasped her hardening member.

I reached down and began to pick up Michelle's discarded clothes using them to dress myself.

Michelle let go of her dick long enough to slide on my own jeans and shirt.

"Now, let's go upstairs and you can try out your new muscles."

Michelle practically ran up the stairs with her new long legs. I struggled climbing with my new short stature. I found Michelle at the top of the stairs, unsure what to do next.

"Try moving the couch." I suggested. "And sit down in it, to test your strength. Give your legs a bit of a workout."

Michelle stooped down and picked up an end of the couch with ease and placed it to the side, exposing a long throw rug.

"See those books? They're probably more like a weights for you, can you do some curls or something?"

"Books... weights?" She said, still feeling the words of her deep voice. "Or I could just pick up you!" With that, Michelle swept my arms into her powerful grip and lifted me off the ground in a big bear hug. "Wow!" she grunted, "You're so strong, Sam! That's awesome!"

Secretly, I was incredibly turned on at being grabbed and manhandled, but I tried to play it cool.

"Alright, you've had your fun. Let's order some dinner as we continue to get used to these bodies."

Michelle lowered me to the floor gently.

"I'm guessing pizza, right?" she said with a sexy smile.

"You're so good to me, babe!" I cooed, using Michelle's voice and body, and her familiar shy smile.

We settled in at the couch and started flipping channels while we waited for our pizza to arrive.

Michelle kept picking up various things around the room and examining them. She lifted the couch back into place, then sat back down and gave it a little bounce.

"It's crazy being this strong!" she exclaimed.

"Try being this weak." I laughed. "It's strange having these little stick arms."

"So, what are we gonna do tonight?" Michelle asked with a suggestive tone.

"We're gonna eat and watch a movie together on the couch. And then we can see what happens." I winked at her.

"Can we... you know... have sex? That would be super interesting. And fun."

"We'll see how it goes."

Michelle had taken the bait. The Second Skins were really good at "translating" hormones, and Michelle was really starting to feel the surging testosterone. But just then our pizza delivery came.

After we had finished eating, Michelle sat back and put her hands behind her head, looking very satisfied. I could tell she was getting impatient for some action.

I turned to her and said, "Well, now that you've seen what it's like to be a guy, I guess we can take off these suits and get back to our regular selves?"

Michelle hesitated and thought for a moment, then looked back at me. "No. I think I'd like to try out the whole experience."

"OK, well then, how about we snuggle up for this movie and you can be the big strong man for once?"

Michelle eagerly sat back down on the couch, and pulled me close to her. We cuddled for a few minutes, with me thinking about the next step. I draped my hand over and began to rub it against her clothed muscular thigh.

"You wanna kiss? Just to see what it's like?" I asked with a grin.

"OK, sure." Michelle replied.

We moved in to kiss. It felt very strange, like I was kissing myself, but I was feeling very turned on, so I hoped Michelle was enjoying it too. Our lips met and suddenly our passions were ignited. I felt Michelle's strong hands begin to grope all over my body. It was kind of funny, because usually I was the one running my hands all over her. Anyway, I kissed her deeply and started to trace my hands all over her masculine body, and down to her crotch where her cock was already beginning to harden. I gave it a squeeze, and she moaned into my mouth.

"You like that?" I whispered.

"Yes... Yes." She murmured.

"I'll show you mine if you show me yours."

I stood up and unzipped my shirts and let them fall to the floor. I then unbuttoned my shirt and slowly stripped it off.

Michelle's eyes got huge as she saw my boobs for the first time. She immediately leapt up and pulled off her own clothes. Then she paused, not sure what to do next.

"Do you wanna touch them? I'm sure you know how they like to be touched."

Michelle tentatively reached out and ran her large hand over one of my breasts. I shivered with anticipation.

"They're so soft!" she gasped.

I took her hand in mine and gently pulled her back toward the couch. Once we were sitting down, I kissed her again and began to gently massage her cock and balls. She groaned and threw her head back.

"You like that?" I asked.

"Oh yes, it feels so good!"

"Well, how about this."

Sliding down to the floor, I knelt in front of her and began to envelop her cock with my lips.

"Oh my God!" Michelle groaned, leaning her head back onto the couch and closing her eyes.

I sucked her cock with increasing speed, sliding my head up and down. She was soon breathing heavily and running her hands through my hair.

"I think I'm about to cum," she breathed. "I don't think I can stop it."

I pulled off her dick with a loud pop.

"Well, we can't have that now, can we? Are you ready to fuck me?"

Michelle looked down at me with a surprised look on her face.

"Uh... Uh... I don't know how!"

"Don't worry. I'm gonna ride you. You just lie down on the couch. I'm guessing that's where this is going anyway."

"I love it when you talk dirty." Michelle giggled.

I stood up and removed my panties and climbed on top of her, straddling her hips and sliding her cock along my pussy lips.

"Ohhhhhh...." Michelle moaned. "That feels so good. I've never felt anything like that before."

I lowered myself onto her cock, letting her slide into me slowly. I heard her groan loudly as she felt her dick get engulfed by my wetness.

"Holy shit!" she breathed. "I've never felt anything like that before. It's so tight and hot. Do you like it?"

I began to slowly grind against her, working her dick in and out of me.

"Oh yeah, it feels so good. I love the way your cock feels inside of me."

We began to fuck each other harder, both of us lost in the moment.

"Fuck me, baby." I moaned. "Fuck me hard."

Michelle began to thrust up into me, her cock sliding in and out of my pussy. I could feel myself getting close to orgasm.

"Oh yeah, baby, I'm gonna cum!" I cried.

I felt her dick begin to twitch inside of me as she reached her own climax. Her body began to shudder as she shot her load deep inside of me.

"Oh my God!" she groaned. "That was amazing."

I collapsed on top of her, both of us breathing heavily.

After a few minutes, she spoke up again. "I think we need a shower."

I got up and led her to the bathroom. We stood under the hot water and washed each other. I watched as Michelle's cock grew again.

"You wanna try it from behind?" I asked with a smile.

"Yes, please." She said with a smile.

I turned around and placed my hands against the wall of the shower.

Michelle guided her cock into my pussy and began to thrust. I moaned as I felt her cock fill me up.

"Oh yeah, baby, that feels so good." I moaned.

Michelle began to fuck me harder, her cock sliding in and out of my pussy.

"Unngh. Your asshole looks so inviting." Michelle moaned. "I finally get why you've always wanted to do anal with me."

"I'll let you fuck my tight little asshole.as long as you return the favor sometime." I said, sweetly.

I felt Michelle's hand reach around and rub my asshole. Her finger slipped inside and I moaned with pleasure.

"Yeah, I'd like that." Michelle said, her voice husky with desire.

She removed her finger and replaced it with her cock. I groaned as I felt her slide into me. It hurt at first, but I quickly adjusted and started to enjoy it.

"Oh yeah, that feels so good." I moaned.

Michelle began to thrust, her cock sliding in and out of my asshole.

"Fuck me, baby. Fuck my ass." I moaned.

Michelle began to fuck me harder, her cock sliding in and out of my asshole. I could feel her balls slapping against my ass as she fucked me.

"Oh yeah, I'm gonna cum!" I cried.

I felt my orgasm build inside me as Michelle continued to fuck my ass. I came hard, my body shaking with pleasure.

"Oh my God, that was amazing." I breathed.

Michelle continued to fuck my ass, her cock sliding in and out of me.

"Oh yeah, I'm gonna cum!" Michelle groaned.

I felt her cock twitch inside me as she shot her load deep inside my ass.

"Oh my God, that was amazing." I heard her say behind me, panting. "I see why you've always wanted to fuck my ass. I promise I'll let you sometime."

I turned around to kiss her, she held me to keep from stumbling.

"I hope you're done playing rough for the night. I expect to be treated like a princess from here on out." I said popmously.

"I'm sorry." She said, blushing. "I got carried away."

"It's OK, just go easy on me. I'm a delicate flower." I giggled.

"Oh, we know that isn't true. We've both seen what sort of pounding you can take. But I'll be gentle now. Here, let me wash you up."

She took the soap and began to gently wash my body. She was so tender and loving with me that I couldn't help but melt into her touch. She certainly took her time running her hands over my breasts and down to my ass. She washed me slowly and sensually, making sure to clean every inch of my body. Once she was finished, she rinsed me off and turned off the water. She stepped out of the shower and grabbed a towel, drying me off gently.

"Go lie down on the bed. I'll be there in a moment." Michelle said softly.

I walked into our bedroom and laid down on the bed, waiting for Michelle to join me. My body was still tingling from the sex we had in the shower, but I was also starting to get tired. I heard the shower shut off and soon I saw Michelle's tall form enter the bedroom, with a towel around her waist.

"It's time to show you how fun it can be gentle as well. Spread your legs."

Michelle knelt down on the floors and used her hands to spread my legs further. She moved her tongue closer to my slit. I could feel the warmth of her breath on my skin, and I closed my eyes, anticipating her next move.

Michelle licked her lips and slowly ran her tongue along my pussy. I moaned softly as I felt her tongue slip inside me. She licked me slowly and gently, sending shivers up my spine.

"That feels so good." I moaned. "Don't stop."

Michelle continued to lick my pussy, sending waves of pleasure through my body. I reached down and grabbed her hair, pulling her face closer to my pussy. Michelle licked me faster and harder, and I could feel myself getting close to orgasm.

"Oh god, I'm gonna cum!" I cried.

Michelle continued to lick me, sending me over the edge. I came hard, my body shaking with pleasure.

"Holy shit, that was amazing." I breathed.

Michelle continued to lick me, sending shivers of pleasure through my body.

"Oh my god, I'm still so sensitive, I think I might pass out." I moaned.

"Just lay back and let me take care of you." Michelle whispered.

Michelle licked me slowly and gently, sending shivers of pleasure through my body. She stopped and climbed onto the bed, positioning her enormous cock in front of my face as she buried her tongue in my wet pussy.

I didn't need any more encouragement. I opened my mouth and engulfed her member with my lips. It was so thick and long, that I could barely get my mouth around it. Michelle moaned into my pussy as she felt my lips slide down her shaft.

"That feels so good." She breathed.

I had always loved a good sixty-nine with Michelle, but it was very different being the woman in it instead of the man. Michelle's tongue was working my pussy expertly, and her thick cock was stretching my lips to their limit. I felt her big balls slap against my face as I took her cock deep into my throat. Right as I was about to cum, I felt the muscles in her dick constrict and I knew what was about to happen. Michelle let out a groan as she erupted into my mouth. I swallowed every drop of her salty, sweet cum, as she licked my clit and pussy expertly.

After the last drop had been drained from her cock, Michelle pulled her head away and rolled over onto her back.

"Damn. Cumming as a man is exhausting." Michelle said through deep breaths.

I lay there for a moment, letting the waves of pleasure wash over me.

"It was great being on the receiving end this time. Thanks." I said with a smile.

"No problem, babe. I just couldn't help myself with your mouth though."

"So, you wanna try to make it all the way through tomorrow night like this?" I asked with a grin.

"Sure, why not? It's been fun so far. What all do you have in mind for tomorrow?"

"Well, we'd each have to do chores in the morning, so you'd have to mow the yard, weedeat, and clean out the shed..."

"And you would have to clean the kitchen, the bathrooms, and do laundry. What would we do after chores?"

"I'll let you take me out on a date."

"What do you mean, take you out? Wouldn't we be taking each other out?"

"Well, yeah, but I'd like you to take me out and treat me like a lady. I could wear a sexy dress and everything."

"Hmmm... I think I could handle that. Where do you want to go?"

"Oh no. You're gonna be the man this time, so YOU make all the arrangements. Turnabout is fair play."

"Alright, alright. I'm sure I'll be able to come up with something."

"Great. Now let's get cleaned up and get some sleep. We've got a lot of work to do tomorrow."

After a quick shower, I crawled into the bed and quickly fell asleep.

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