A Different Life
Taboo/incest Story

A Different Life

by Roncabo 18 min read 4.5 (4,000 views)
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Reminiscing about how it had started with Josh had Lizzie dropping her hand between her legs. But before she touched any body part, thoughts of Marv entered her mind, and off she went on a journey down memory lane to remember the beginning with him.

He turned eighteen, and a few weeks later, was his senior prom. He'd gotten a date, but hadn't dated much, and so, was nervous about taking a girl to the event. So, he asked his sister to help him out. Of course, she agreed.

She chose the Saturday before the dance because her mom, George, and Josh all had school activities that they needed to attend, which left Lizzie and Marv alone for most of the day. She dressed braless in a tank top and short skirt.

She gave him a few dating tips before asking, "So who's your date?"

"Marny."

"Marny?" Lizzie repeated. She didn't know the girl. Then she thought, "Horny Marny?" and giggled after she said it.

Shaking his head, Marv said, "You're not the first to come up with that."

"Really?" Lizzie asked facetiously, not thinking for one moment that she was the first. "Is that what they

really

call her?"

"Some assholes do."

"Does it piss her off?"

Marv shrugged. "I don't think so. I mean I've never heard her get mad. Guess she's used to it."

"Or, maybe it's true."

Marv made a doubtful expression.

"But what if it is? What if horny Marny really

is

horny? What are you going to do?"

With a frown, Marv asked, "What do you mean?"

Lizzie let out a heavy sigh. "Marv, it's after the prom. Time to leave. What are you going to

do?"

Marv shrugged. "There are a couple of parties. And a lot of people are going to the drive-in."

"Yeah. The parties will be boring, and it'll be very crowded at the drive-in. You'll be lucky to be served breakfast. Horny Marny might not want to go. Some people go to other places, do other things.

She

might want to go somewhere else."

"Like where?"

With a smirk, Lizzie said, "l don't know. She might want to go park somewhere. You know, somewhere private. Somewhere where the two of you can climb into the back seat."

Marv's face took on a horrified look.

"Calm down. I can help you."

"You want to help me with

that?"

Lizzie shrugged. "Or you can just hope for the best."

"I don't know how you can help me."

"Come with me." She led him to the sofa. "Let's pretend the couch is the back seat of the car. So, the two of you park someplace dark, quiet, and out of the way, where no one will disturb you. You get into the back seat. You're sitting side by side. What do you do?"

As they sat, Marv thought for a second. "What would

you

do?"

Lizzie eyed her brother with a suspicious smirk. "Clever way of saying you don't know."

Her merely grinned.

"Kiss!

You're probably going to want to start with some

kissing.

Have you ever kissed a girl?"

His yes was very hesitant.

"Would you like to practice with me?"

"You want me to

kiss

you?"

"How else are you going to practice? I'm trying to

help

you. It's

your

choice."

"Yeah, I'd like to practice with you." He really did. He leaned in and gave her a peck on the lips."

Shaking her head, Lizzie said, "I'm not

mom.

That's How you kiss your

mother,

not your

girlfriend."

She wrapped her arms around him and tenderly pressed her lips to hers. Then she gave him a kiss he would never forget.

Marv responded by kissing back as she was kissing him. He was actually pretty good.

"Not bad," Lizzie complimented.

"It was nice. Can we do it again?" He didn't wait, leaning in for another go.

Lizzie eagerly allowed the second kiss, proceeding as though he wasn't her brother. To her surprise, he started squirming. "You need to go to the bathroom?"

"No. Why?"

But she quickly saw the reason. "Oh? You've got a

hard on."

Marv looked embarrassed. "Sorry."

"Don't

be. I would have been insulted if you didn't. Go ahead and fix it."

So, he did.

"Here's a tip. If you don't already have an erection from anticipation by the time you park, fix yourself as you're getting into the back seat so when you

do

get one you won't have to be obvious."

"Yeah. Good idea."

"Okay. So, while you're swapping spit, you need to gauge her response. Is she breathing heavier? Is she doing anything else to suggest she's into it, like maybe the way she's touching you? If so, it might be time to introduce some tongue."

"You mean, stick my

tongue

in her

mouth?"

"Yeah, but don't just jab it in. Go slowly. Press the tip against her lips gently. If she likes it, she might touch your tongue with hers. Like this." Lizzie demonstrated. "If she does, just let your tongues play. If this happens, she might want to French kiss."

"I've heard of that."

"So, you just gradually open your mouth, and she does the same. Your lips are still touching, but you're not really kissing. Instead, your tongues are dancing. Like this." Again, Lizzie showed him.

When she pulled away, Marv asked, "I

like

that. Can we keep doing it?"

"Sure." The problem was, though she was only

teaching

him, it was arousing her, as well.

This time, Marv was a bit more aggressive, as though he really knew what he was doing, and was enjoying doing it.

"If you've gotten this far," Lizzie explained, "you can try becoming a little more familiar, like accidentally-on-purpose brushing your hand over her boob. Be gentle, be casual." She took his hand and dragged the back of it over her own breast as an example. "If she doesn't swat it away or otherwise move it, you can caress itβ€”"

"Caress

it?"

"Tenderly place your hand on it, like so." Again, she showed him.

But when she let go of his hand, he didn't remove it from her boob. "That feels nice. You have nice tits," Marv complimented.

"Thanks."

He moved his hand around slowly, basically feeling her up. She smirked without him seeing.

"Depending on the kind of dress she's wearing, if it's the kind that's somewhat open up top with straps, like my tank top, you can ease the straps off her shoulders. It might expose more of her tits. Then you can peel the top of the dress down. If you get one or both of her breasts uncovered, you can try sucking her nipples."

Marv's breathing quickened as though he was imagining it as she was describing it.

"And I don't mean suck it like you're sucking a straw. Place your lips over the nipple, close them around it, and flick the tip of your tongue over the top of the nipple." Lizzie pulled her own top down to uncover her boobs.

Marv's eyes widened in disbelief that she was exposing herself.

"Never seen tits before?"

"Not real ones."

"Do you want to try?"

With a huge grin, Marv eagerly answered,

"Yeah!"

Lizzie guided his head to her nipple, maintaining control in case he got carried away. But he did exactly as she said, further leading her to believe that he knew more than he let on. Maybe he was playing her. However, what he was doing to her was very good, and she was becoming highly aroused. She had to push him away. "Okay. You've got the idea. Now, if you're this far, it's time to work on the other end. She'll probably be wearing a formal dress, a long dress, so you can casually start raising it up."

"What if she stops me?"

"If she stops you anywhere along the way, you're

done."

Marv grimaced. "Let's pretend that doesn't happen."

"Yeah, let's. You also might want to lay her down and get on top of her. If she lets you, again, be gentle. Don't plop down. Come on." Lizzie stretched out on the sofa.

"You want me to get on top of you?"

"How else can you practice?"

Blatantly adjusting his cock again, Marv got on top of her in a missionary-type position. "Obviously, I'm not in a long dress, but you can still raise mine up."

He did. Slowly.

"Once you've got her dress up to her waist, try a couple of dry humps."

Marv was taken aback by that, but being on top of his sister is a position he had dreamt about. He glanced down at her panties thinking he saw a wet spot, and gently planted his hard cock down on it. He rubbed slowly against her.

He had no idea how good that felt. "That's good," Lizzie said, trying not to sound too excited." She placed her hands on his hips.

He really had the hang of it. And he wasn't stopping.

"How does that feel?" Lizzie asked.

"Feels wonderful. How long do I keep it up?"

"Again, you need to judge her response. Not long. You don't want to rub her raw. If she's thrusting back, it might be time to move on. Here's where you might want to be certain and polite and ask. Say something like, 'this is so nice. Do you want to keep going?' Be sure her yes is a

yes.

And remember, no means

no."

"What does yes mean?"

"Gently slide her panties down and off. And don't just fling them somewhere. Put them where you can find them later. Maybe in the front seat. Go on."

Again, with wide, frightened eyes, he asked, "Take yours off?"

"If you want to keep going."

Without response, he pulled hers off, his mouth hanging open at the sight of her gaping, wet pussy.

"Never seen a pussy before?"

With a gulp, Marv answered,

"Definitely

not a real one."

She smiled at his little boy innocense. "If you want to pretend like you know more than you do, you can bend over and lick her pussy."

"You mean, eat her out?"

"You know about that?"

"I've seen videos." Without further hesitation, he stooped down and tentatively touched his tongue to her vulva.

It felt so good to Lizzie, but she tried not to show how much she liked it. "If you think you know what to do, do it."

He separated her vulva with his tongue, dragging it up to her clit, flicking his tongue against it.

She couldn't help but whimper.

"You okay?" Marv asked.

"Yeah. You seem to know what you're doing."

"Should I keep doing it?" Which he did. "How long should I keep doing it?"

Lizzie had to force herself to talk without moaning. "You can make her come, or she might stop you and be ready to move on.

"Move on? You meanβ€”"

"Go in or go home."

After a deep breath, Marv asked, "Should I undress her?"

"Ask her. She might not want to be totally naked in the back seat of a car."

"Would

you?"

"You want to see me naked?"

"Yes," he nervously responded.

With a shrug, Lizzie pulled off her tank top.

Marv looked her up and down and smiled. "Wow. I didn't think you'd really get naked in front of me."

"I'm trying to

help

you." She pulled him back on top of her.

"This is amazing."

"Yeah. It's also time for you to show what

you

have." She sat back up and started unbuttoning his shirt. He stood, undid his pants, and pushed them down. His hard cock bounced up, staring her in the face.

Lizzie's eyes lit up. "Cheese'n rice. I had no idea you were so

big!

As big as . . ." she had to stop herself from saying as big as Josh, which Marv was. "You know what to do next?"

"Stick it in?"

"Yeah, but againβ€”"

"I know.

Gently."

"Yes, and slowly."

"You're actually going to let me stick it in?"

"Do you want to?"

"Are you

kidding?"

"Doesn't bother you that I'm your sister and most people consider this wrong?"

"No."

But it didn't really matter to her whether he wanted to or not. There's no way that monster wasn't going inside her. She licked her fingers and rubbed them on his cock, then grabbed it and guided it in. Of course, she whimpered as he slid it in and instantly started thrusting.

"Oh, that feels so good," Lizzie couldn't help saying. "Horny Marny is lucky."

"I'm the lucky one being able to do this with

you."

He was really pounding her.

"You don't need to be so forceful or in so much of a hurry. Moderate strokes are just as good."

So, he slowed down.

"That's it. You really are good at this. I'm not sure you really need my help."

"You're a great teacher," Marv commented.

"You learn how to use that thing, and any woman will want you." There was nothing like a long dick with solid strokes. All the way in and almost all the way out. "Since you'll be in a car, there's something else we can try."

"Okay."

"Sit up," Lizzie ordered. When he did, she straddled his lap reverse cowgirl, guided him back in and bounced up and down on him as he pumped up to meet her.

"Not as nice as the other way, but I guess more practical for a back seat."

After a few minutes, Lizzie said, "Here's another way." She got on hands and knees and had him do her doggy style.

"Yeah, this is good for the car also. But I have to say, any position inside you is best."

"Don't sell horny Marny short. She might be better."

"I wouldn't bet on it."

Nor would I, Lizzie thought to herself.

"I don't know how much longer I can hold out," Marv said.

"Not now, but for her, you better. If you come before her, she won't have any further use for you."

"Okay," Marv groaned, then pulled out and sprayed her back.

The warm drops of cum splattering on her back actually felt good. "Stick it back in! I'm ready, too!"

So, he did and brought her to an amazing climax.

"You think I'm

ready?"

"Oh, yes!"

* * *

As it happened, horny Marny was not. She and Marv ended up at the drive-in with over half of the senior class and never even got so much as a soda. Marv's attempt at a kiss only earned him a slap in the face. Of course, he arrived home in the wee hours of the morning and was allowed to sleep in. When he did finally awaken, he groggily appeared at the door to Lizzie's bedroom.

When she looked up and saw him standing there still in his pajamas, his erection tented his pants.

"You look like hell," Lizzie noted.

"Not used to being up so late."

"So, how did it go? After the prom, I mean."

Pursing half of his lips, Marv said, "Well, she's

not

horny Marny. She

is

a tease and an ice queen."

"A

tease,

huh?"

"Yeah. She looked amazing in a dress that really showed off her tits."

"That why the boner?"

Marv glanced down, and attempted to fix it, unsuccessfully. "Can't stop thinking about her. Guess I need to do something about this."

Unable to forget his cock from the other day, Lizzie asked, "Need some help?"

Misunderstanding her offer, Marv pointed out, "That would be risky, wouldn't it?"

Realizing how he interpreted what she said, "Oh, no, I meant . . ." Lizzie slid off her bed, walked over to him, grabbed his cock over his pajama pants, and led him into the bathroom. Closing the door, she had him face the toilet. She stood behind him and yanked his pants down. Reaching around him, she wrapped her fingers around his dick and began stroking.

Marv let out a little girl whimper and leaned back against her, wanting to feel her tits on his back, even though she had a shirt on. "Oh, wow, that's good. Not as good as the other day."

"No, I wouldn't think so."

"Any chance we could do

that

again? I feel like there's more I could learn."

"That was a cheesy line. So, you really liked that?" Lizzie spit in her hand to use the saliva as a lubricant. As soon as she touched her hands to his dick, he moaned.

"Oh, that's good," Marv groaned. "Even if horny Marny had been horny, I can't imagine it would have been better."

"Aw, that's sweet. Thanks, little brother. But all those clever lines won't always get you inside a girl's panties. We'll see if any opportunities arise."

Trying to stifle a roar, Marv splattered the toilet cover and seat with a huge spray of cum. His legs felt weak, and he had to lean on the toilet tank, but he still managed to say, "You seem to find opportunities with Josh."

That really didn't surprise Lizzie. She thought she might have noticed Marv hustling back to his room a couple of times when she was heading back to her own from Josh's. But she never was certain. "Yeah, I thought you had been spying on us." She chanced calling him on it. "That's not nice."

"It was

hot."

"Yes, it was. And it's

still

about opportunities. So, be cool about this and you might get a chance. Now, clean up your mess."

* * *

Lizzie and Josh had become more casual with their sex as time went on. There was less urgency knowing the other was just down the hall, unlike never knowing when you were going to get it again and taking advantage when you could. That also led to a change in frequency, like only a couple of times a week, usually at least once on the weekend when the later hours didn't affect school.

Lizzie was sort of content with this, but as had been her sexual history, she wanted more. That happened the week after Marv's prom.

It was late Friday night. It had been several days since Lizzie and Josh had been together. It had been a rough week for him with final exams. At dinner he had sort of whined about the last few days, and it was obvious he was physically drained, so Lizzie had decided to leave him alone. However, much to her surprise, but also elation, he appeared in her bedroom when it seemed the house was quiet.

"Didn't expect to see

you

tonight," Lizzie commented.

"Actually, this is just what I need," he told her. He was in t-shirt and short pajama pants. "Do youβ€”"

"Come and get it," Lizzie offered with open arms. She was also in her sleep tank top and shorts.

Josh further surprised Lizzie by crawling into her bed, and instead of attempting to remove her clothes, he wrapped his arms around her and moved in to kiss, which she was only too willing to do. They playfully rolled around allowing their hands all over each other. This whimsical activity was actually fun. Josh enhanced it by placing kisses on her covered tits, abdomen, thighs, and covered pussy. He then returned to kiss her lips passionately while his hand rubbed between her legs. She loved his hand there.

He kissed down her neck and the part of her cleavage that was exposed. He'd never done anything aggressive like this and she wanted to question him, but at the same time, she really liked it and didn't want him to stop. He pulled down the elastic of her shorts but only enough to teasingly kiss a little below her waist. He raised her tank top to kiss and suck her tits. It was so tantalizing; Lizzie couldn't help but shove her own hand down her shorts to play with her pussy.

That had Josh redirecting his attention to assisting in removing her pajama pants. She was squirming, and her beautifully shaved pussy was too inviting for him not to apply his mouth to it. He spread her labia to get to her clit and hole, which drove her wild. He licked down her perineum and surprised her by swiping her anus. That caused her to shiver and giggle.

Lizzie couldn't remember Josh ever knocking on her back door. But he seemed especially randy tonight. That was further evidenced when he rolled her onto her stomach, separated her butt cheeks and licked her ass again.

Well, she

had

been wanting something different.

He only tickled her rear with his tongue for a few seconds before turning her onto her back again to taste her pussy. This time, he used his fingers on her snatch, slipping one, then another in to finger fuck her. While doing that, he sucked her nipples and kissed her neck and facial cheek.

Lizzie pulled his head to hers for a lip-to-lip kiss that included the type of tongue action she had taught Marv. But he wanted to return between her legs with his mouth, which again included his fingers. Lizzie wished she could moan her enjoyment aloud, but knew she had to remain quiet.

His aggressiveness continuing, Josh raised both Lizzie's legs straight up so her rear was in the open. He went in for another ass lick, again only briefly, before kissing up her thighs. He left his hand between her legs, his thumb massaging her anus, pressing on it as though he was going in. But he did not, and she wasn't sure whether she wanted him to or not.

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