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Morticia's Birthday Present

Morticia's Birthday Present

by Orca2684
20 min read
4.12 (6700 views)
incestfutanarimother daughtersummer smithfuta on female
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Bzzzt Bzzzt Bzzzt", morticia cracked an eye open at the insistent blaring of her alarm clock, smacking her hand on the button she slowly rose up and stretched. Her yellow shirt stretching tight over her 36c cup breasts, her nipples hardening from the friction of the fabric." Oh shit it's my birthday!", Morticia's mouth grew into a wide smile.

Rick had told her a few weeks ago that on her 18th she could have anything she wanted no questions or criticism. She hadn't had to think about it for very long before she had decided, she wanted a cock! Not just a bigger clit, she wanted to be a full on futa like she'd seen in Japanese animated adult films. Morticia jumped out of bed got into her jeans as quickly as she could and ran down to the garage.

Bursting in she immediately called out, "Grandpa Rick!"

Looking around she didn't see him but his voice came to her from the hatch in the middle of the floor," Down here morticia." Morticia carefully climbed down into the lower area.

"Bout time you woke up. I already know what you want for your birthday present." Rick looked at her with a rare smile.

Morticia's face went pale, "I swear grandpa I'm not a pervert, I just want to be a futa."

Rick laughed, "Morticia there are a surprisingly large number of alien races who have futas in addition to the standard 2 sexes. You've met a few on our adventures and I saw how fascinated you were so I set this up awhile ago." Rick motions to a row of tanks behind him.

Morticia's eyes went wide as she noticed what was in the tanks, it was her. Or more specifically it was multiple clones of her all with D cup breasts and cocks at least 6-7 inches long soft hanging down between their legs. "Holy shit!"

"So you're going to put my mind into one of the clone bodies?"

Rick looked at his granddaughter with pleasant surprise, for once she was faster on the uptake than he'd expected. "Yes, in addition to the cock you wanted I also bumped your tits up a cup size and added 50 points to your IQ so you'll be of greater help to me. Should have done that years ago but oh well."

Morticia ignored her grandfathers comment about her IQ she was far too engrossed in the rampant fantasies stampeding through her head about all the pussy she was going to get with a cock like that.

"Also I am set to modify the memories of everyone we know so they will remember you always having the extra equipment and intelligence so things aren't complicated. Not surprised you asked for this with us living in a free use universe like this. I'm going to give you pills to take so you can't get or get anyone pregnant, don't need you repeating your mothers mistake and marrying some micro dicked loser like your dad."

"So what do I need to do to get this started grandpa?" Morticia turned to her grandfather with a beaming smile nearly vibrating with excitement.

"One question first, do you want to remember not having a cock?"

"No I think I'm good with remembering always having had it. Ummm but don't add any memories of having sex before k? I'm not sure who I want to have sex with first and I'm not sure if I'd be giving or taking for the first time." Morticia blushed as she stated her preferences, she knew there wasn't much in her world that was sexually taboo but it was still a little embarrassing to admit she was a virgin.

"K let me make a couple changes." Rick turned to a nearby console and started typing at a rapid pace,"going to make your pussy stretchy enough to be able to take any size cock. I've seen your browser history and don't want you to get hurt fucking some dragon or one of the larger alien species'. Also your first time should be pleasurable and without pain, unlike the miserable performance your mother got from her first time with limp dick Jerry."

"Ok get in that chair." Rick pointed at the chair in the center of the room. "Put on the helmet and I will start the consciousness transfer."

"Umm can we make one last change grandpa?" Morticia asked meekly. Rick gave her a slightly annoyed look, "what?"

"It would probably be faster if I made the changes myself grandpa,"Morticia replied meekly. "I just want to make some aesthetic changes to my body."

Rick sighs as he moves back from the console,"Go ahead."

Morticia moved to the screen, thankfully the UI Rick had set up for his cloning program was easy to understand, "Easier for him that way when he's drunk probably," Morticia thought to herself. Morticia quickly made the changes she wanted, tanned skin tone, blonde streaks in her now golden brown hair, perked up her ass a bit and removed all hair except from her head.

"That's it?", Rick asked a little surprised. "Thought you'd be adding all kinds of stuff like tatts and cat eyes and a tail and weird shit like that."

"Maybe some day in the future, right now I just want to be prettier." Morticia said with a little embarrassment in her voice.

"Ok let's do this then." Rick moved in front Morticia and started typing, Morticia quickly moved to the chair and put the helmet on.

"3 2 wubba lubba dub dub and awaaay we gooo," Rick did a short jig as everything rapidly whined as the lights in Morticia's eyes faded.

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Moriticia could feel herself floating, a usual sense of peace and confidence surrounding her. Slowly her eyes opened to a usual sight, she was floating in a tank with a scuba regulator in her mouth while Rick waved at her with a smile on his face.

Rick rapidly started pressing buttons on the console, she could feel the water flowing down her body as it swirled around the grate at her feet. She could feel herself slowly floating down to the floor as the water gently caressed her body causing her nipples to harden and goosebumps to run up her arms and down her legs. Morticia pulled the regulator from her mouth as the front of the chamber rotated open.

"So in addition to the enhancements I told you about I've also enhanced your reflexes, your physical strength and endurance, your eyes will see better in the dark then normal people and your hearing is increased by a factor of ten, you have a 20 second refractory period and will cum at least 20 milliliters, figured you'd want to bust fat nuts like that. You don't have superhuman abilities but you'll be comparable to an Olympic athlete. Gave you an immune system that will fight off every disease I know of and your aging has been reduced to 1/50th of human normal same as mine so you will be in your late teens and 20s for a very long time so enjoy and fuck anyone you want senseless just don't get or get anyone pregnant. You aren't immortal but there are nanites in your body that will heal you from damn near anything besides total body destruction, but even if that happens your consciousness will automatically be downloaded into a new clone body so I'm not worried."

Morticia took as this information in as she slowly got used to her new body, she wasn't used to the extra weight from her larger breasts and her new nervous system was hypersensitive and in a bit of a sensory overload. Even the slight breeze here in ricks underground lab across her skin was enough for her new cock to harden along with her nipple. Morticia started breathing heavily as her arousal grew, "If we're done here I need to go upstairs grandpa."she looked up at him with a sense of urgency.

"Yeah go ahead, I can monitor the nanites in your blood from here and your consciousness can be uploaded from anywhere in the galaxy so if you want to borrow the ship and go somewhere like Gazorpazorp go nuts."

Morticia quickly climbed the ladder up and out of her grandfathers lab, she could feel her heartbeat pulsing through her cock and pussy. To say she found these new sensations distracting would be an understatement, it felt like her cock was going to explode. Every beat of her heart sent a pulse through her cock causing her her brain to overload her with the urge to fuck and cum.

Morticia put her forearm over her breasts and hand over her cock as she rushed to her room praying she didn't run into her mother or older sister along the way.

Morticia nearly sprinted through the house and up the stairs. Every footfall making her new breasts sway and bounce causing her nipples to rub against her arm, worse still for the newly reborn futa was the sensation of the combination of the air and her own hand on her swollen cock. She was desperately fighting the urge to stop and jerk off till she coated every wall in cum, thankfully it seemed like no one else was in the house. Running into Beth or Summer now Morticia didn't know if she'd be able to keep herself from jumping on pre both of them and fucking them senseless till they had her cum pouring out of every hole.

Morticia sprinted down the hall to her bedroom door throwing it open and slamming it behind her, "I actually made it. Thought for sure I was going to run into mom or summer," The words came out with both relief and a little bit of regret. "Do I want to give my first time to my mom or sister," Morticia wondered, "Or am I just so horny that anyone willing will do?"

Morticia lean her back against her door, her mind wandering to her family. She'd seen her mother and sister naked all the time, nudity was the norm in her world and they both brought lovers over when we they felt like it. Morticia's hand slowly started stroking her new cock as memories of both of them walking around the house, having sex with one two or more partners all over the house flooded her brain. Her breathing quickly turned to heavy panting as pre started to form on the head of her cock and her smooth virgin pussy started to drip in anticipation of receiving one or both of their tongues.

KNOCK KNOCK KNOCK "Hey Morticia you ok? Heard you sprinting through the hall and slamming your door. Rick didn't forget your birthday did he?" Morticia's eyes flew open at the sound of her sisters voice. Her 8 inch long 4 inch around cock throbbed with the need to cum, Morticia let out a long groan and turned to face her door.

"No he didn't forget," Morticia replied.

"Can you open the door please?"

Morticia's eyes went wide, "umm yeah ok." Morticia slowly opened her door only allowing her left hand and part of her face to remain uncovered."is there something you want sis?" She asked, looking up into her older sisters smiling face.

"Well today you turn 18, I know you are still a virgin and thought you could use a tutor. Plus I don't want your first time to be with someone who may spread word that you came fast." Summer smiled at her little sister, her motives weren't entirely that pure. She knew her sister had a log between her legs and didn't want some trashy slut to be the first one to get it in her pussy. "Most guys and futas cum VERY quickly their first time," summer said gently," I don't want my little sister to have a rep as a one pump chump who can't satisfy anyone so I figured I'd help you out."

Summer put her hand against her little sisters,"If you're willing I will be waiting in my room, k?"

Morticia felt her pulse thunder through her veins at Summers touch, the idea of her older prettier sister riding her cock, her breasts bouncing as she impaled herself on Morticia's throbbing cock dominated her thoughts. Watching Summer turn and walk to her room, her hips and round butt swaying seductively. Morticia started to slowly move out from behind her door, her vision tunneled onto her sister ass as she moved into the hallway and slowly followed Summer.

Hearing Morticia's gentle footsteps behind her Summer turned and smiled, "that was a quick decision." She reached down and took her younger sister by the hand and led her inside.

Summer closed her door behind them and gently pressed Morticia against it, her little sisters eyes were large with trepidation and arousal. Summer moved her body up against Morticia's, being 4 inches shorter than her sister this made Morticia's entire field of vision be nothing but her older sisters breasts. Her eyes followed the gentle up and down as they moved with Summers breathing, "You can touch them if you want it's ok." Morticia looked up at her to find Summer smiling down at her gently. Summer put her hands on either side of Morticia's head and moved her breasts in closer for her sisters perusal.

"They look so soft and warm,"Morticia said dreamily. She'd often stared longingly at the larger breasts of the girls at school, wishing she could fondle squeeze and lick them to her hearts content.

Summer reached down with her left hand took her sisters hand and brought it up to her chest. Morticia began panting with lust as her fingers sank into Summers breast. The hard nipple poked her palm and the supple breast almost seemed to envelope her fingers, Summer moved her right hand to the back of her sisters head and gently brought her mouth to her nipple.

Summer loved having her breasts played with and she knew her little sister would cum very quickly as soon as she touched the hard cock pressing into her stomach, it was taking a lot of willpower on summers part to not grab said cock, line it up with her hungry pussy and just impale herself on it. She knew she had to take it slow with her little sister at first so she could get her back in her bed as often as possible.

Morticia leaned forward and latched her mouth onto the breast dominating her mind. "Use your tongue and teeth too but no biting ok?" Summer said. Her words registered somewhere in her brain but Morticia was not really thinking with her brain right now she was going purely on instinct and they said that the breasts in front of her looked delicious. She started sucking, taking the entire aureola into her mouth basically nursing.

Summer gently started moving back, she knew the layout of her room by heart and knew exactly how to get both of them to her bed without looking. Feeling her calves press against her bed she gently pulled her breast from her younger sisters needy suckling. "Lay down on you back k," Summer said using a single finger to raise her sisters chin till she was looking at her eyes.

Morticia's cock and hungry pussy still demanded most of the blood her brain needed but there was enough for the words to register. Summer moved aside as Morticia crawled onto the bed and lay down on her back, her cock pointing up at a 100 degree angle and curving gently upwards.

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"Granpa Rick gave you those brith control pills right? You're going to be absolutely flooding my pussy with cum and I hate the feel of condoms."

Morticia nodded, "Yeah I already took one."

"Good girl," summer said with a hungry smile on her face. She climbed onto the bed, her arms and legs placed on opposite sides of Morticia's body. "I know you're going to cum really quick and it's ok alright. Just because you cum it absolutely does not mean we're stopping. I'm going to make sure you know how to make a girl come begging for your cock by the time we're done." Summer gently slid her pussy along the underside of her little sisters rigid cock, Morticia's eyes started to roll back and her mouth opened in a long drawn out groan at the sensation.

"Cum little sister," Summer said as she lined up Morticia's cock and impaled herself on it taking the entire length in one quick shot.

Morticia's mind exploded in white light as Summers pussy enveloped her throbbing cock, her hands instinctively grabbed onto her hips driving her cock as deep as she could get before exploding a torrent of cum deep into summers womb.

Chapter 5

Slowly Morticia's mind swam back up to consciousness, a warm tight sensation on her cock the first thing registering in her blown mind.

"Welcome back little sis," Summer said with a smile on her face.

"Oh god it wasn't a dream." Morticia gasped as her still hard cock sent spikes of pleasure into her brain as Summer continued her slow grinding and bouncing on her little sisters cock.

"Nope definitely not a dream," Summer laughed." Can't believe you can stay hard and cum that many times while passed out."

"What? How long was I out for?" Morticia's face was flush with embarrassment at the idea that she'd cum the moment her cock had been entirely sheathed in Summers pussy.

"Eh maybe 5-10 minutes. You've only come twice since passing out, you must've been really backed up huh? What's the matter, seeing me and mom walk around naked and fucking in the living room get you hard and hot?" Summer asked with an evil grin on her face as she started bouncing her ass as she leaned forward and pressed her breasts against Morticia's.

"Oh god you feel so gooooooood," Morticia reached up grabbed Summers hips and started pumping her cock faster.

Summer gasped as Morticia pumped her harder and deeper, "That's it sis make my pussy only want your monster." Summer could feel a large orgasm rapidly approaching, lifting her chest she enveloped her little sisters head in her tits forcing a breast into Morticia's mouth."Suck on my tits!" Summer called out as she sped up to match Morticia's pace.

"I'M GOING TO CUMMMMM," Morticia's back arched as she began slamming her cock as fast and deep as she could.

"Fuckin do it, flood my pussy with all that milk!" Summers voice matched Morticia's in urgency and volume as the creating wave of orgasmic pleasure flooded her mind and washed over her.

Morticia buried every inch she could into Summer as her eyes rolled back and her cock flooded Summers pussy for the fourth time in less then an hour, even though she wasn't conscious for the middle two this fourth orgasm felt just as good as the first.

"Ughhhh FUCK!!" Summer yelled as her body started shaking and spasming, her pussy clamping down on her little sisters erupting cock milking every drop of cum it could get. Collapsing on top of Morticia Summer gasped, "I need a break ok, my pussy is so sensitive right now."

Morticia slowly nodded and moved to allow her softening cock to slowly withdraw. Moving her older sister onto her side she put her arm around her and held Summer as she slowly came down from her latest orgasm.

"Give me a few minutes to rest and I'll actually start teaching you some stuff k?" Summer said in between pants, that last orgasm had really shaken her.

Morticia smiled and placed her head against Summers chest. Summer pulled Morticia's chest against hers and slowly stroked her back as they rested, "We'll need to work on your stamina. Your cock is more than big enough to satisfy any partner but being able to put off cumming can make things better. Plus you cum buckets so we need to get cleaned up before we continue." Summer slowly started getting up, her legs shaking she slowly got up off the bed and moved to her dresser. A small stack of towels at the top of the dresser being her objective, grabbing one for herself she grabbed several others and turned to Morticia. "Use a couple of those to clean up the wet spot and we'll put my sheets in the wash."

Morticia blushed as she realized how much of a mess they'd made of Summers bed, the room was flooded with the smell of sex. Wiping first herself a little she quickly cleaned up their combined fluids before she and Summer removed the sheets and went into the hallway. After placing the sheets in the washer and starting Summer took her sisters hand and led her to the bathroom.

Summer didn't bother closing the door behind them, she didn't mind if their mother Beth heard what they were up to and wouldn't mind a threesome, Morticia's cock was a lot to handle.

After setting the water to a comfortable temperature Summer turned to her little sister, put her hands on either side of her face and pressed their mouths together. Morticia felt her knees weaken with the passion of the kiss, quickly grabbing Summers hips she started reciprocating. Her efforts clumsy at first Summer gently guided Morticia on the finer points of how to kiss with passion and not get sloppy.

Turning Summer pulled her little sister into the steaming shower stall, big enough for at least four people but they stayed pressed up tightly against one another. Morticia's cock had already hardened to its full size and was more than ready to fill Summer to overflowing again. Summer reached down and wrapped both her hands around Morticia's shaft, "I want you to try to focus on NOT cumming ok. Most girls will cum as soon as this monster is buried inside them but that's no excuse for you to be a quick shot so we have to train you."

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