The Prodigal Sister Part 4 Sex Story – Lonefun

#Incest #Lesbian #Teen #Threesome 17 hours ago

1536 words | 8 |5.00

By AlabamaSlamma The surrender of Isabelle and Lizzy to Mark is complete.

Isabelle and Lizzy sat on the couch looking at Mark as he explained everything to them. The rules of living with and being supported by him. Isabelle could stop everything right now and walk away with her daughter and not have to be a fuck toy for her brother along with her daughter but deep down she knew that it was literally the best thing for not only her but her daughter as well. Isabelle had experienced the worst side of life and Lizzy had be raised in it but this was a safer situation and to be honest she craved what Mark demanded.

“Now that I have laid out my rules and expectations for you both, I will let you two girls talk about it and when you decide whether you’re going to stay or leave you can let me know.” He said as he got up and walked outside.

“Mommy do we have to leave uncle Mark?” Lizzy asked looking up at Isabelle with fear in her eyes.

“Do you want to leave sweetheart? Are you afraid of staying here with uncle Mark?” She asked Lizzy looking down at her sweet little face.

“NOOOOOO MOMMY! I don’t want to leave uncle Mark. I’m not afraid of him at all. In fact I love uncle Mark and want to make him happy like you did.” Lizzy basically begged her mother.

Isabelle couldn’t argue with Lizzy but she definitely wanted to make sure that Lizzy understood the situation.

“Lizzy I need you to understand something very important if we stay. If you don’t listen to me then you could get us all into a lot of trouble. Do you understand?” Isabelle replied as she lifted Lizzy up and sat her down onto her lap.

“Okay mommy I will listen!” Lizzy replied looking intently at her mother.

“You will have to do whatever uncle Mark asks you to do no matter what. You can’t say no to him even if it hurts some. He loves you and will never intentionally hurt you but sometimes it will hurt especially at first like when he fucked you earlier. You cannot ever tell anyone about what goes on inside this house with me or uncle Mark. And I mean you can’t tell anyone at all about anything. If anyone asks just say that we are staying with him and that’s all. Is that clear?” She said with a serious look on her face.

“Yes mommy I understand. I won’t tell anyone about what we did. I don’t want to get you or uncle Mark in trouble. I like what you and uncle Mark do.” She replied as she squirmed in Isabelle’s lap.

“Mommy likes it too baby. I like it a lot more than I should!” She said with a wicked smile.

Isabelle got Mark back inside and they both agreed to his terms. For proof Isabelle took Lizzy and they both got on their knees between his legs as Isabelle began to teach Lizzy how to pleasure Mark with her mouth. Mark watched as Isabelle slowly kissed, licked, nibbled and sucked on every inch of his hard throbbing cock. Showing Lizzy how to make love to a cock with her mouth. Isabelle guided Lizzy around his shaft as they both worked their mouths up and down his hard throbbing cock. He groaned deeply as Isabelle enthusiastically bobbed her head up and down the entire length. Lizzy could only get him so far in her mouth before she gagged but Isabelle encouraged her to get more of it in.

“OHHHHH FUUUUUCCCCKKKKK YEEESSSSSS!” He growled as he watched Isabelle push Lizzy’s mouth down onto his hard throbbing cock until it was buried in Lizzy’s spasmodic throat.

Tears were streaming down Lizzy’s face as she fought against her gag reflex. Lizzy pushed away from Mark’s cock as she gasped loudly and coughing wildly.

“Good job baby. Mommy is so proud of you!” Isabelle replied as she swallowed Mark’s cock into her own throat as Lizzy recovered.

“Don’t worry about it baby girl. You will be as good if not better than your mother with some practice!” He groaned as he reached out and guided her mouth towards his balls.

Lizzy began licking and sucking on his fat balls as her mother continued to bob her head up and down his shaft. Lizzy took another try with swallowing his cock and was able to keep it down for a little longer each time. Lizzy continued to stroke and suck on Mark’s cock and balls as Isabelle slid her head up under Lizzy’s pussy and ass. Lizzy screamed out in pleasure around Mark’s cock as he had grabbed her head and was fucking her mouth as Isabelle enthusiastically devoured Lizzy’s pussy and asshole.

Lizzy’s pussy gushed as she orgasmed on her mother’s face. Isabelle shoved her tongue deep into Lizzy’s virgin asshole pushing her slobber inside. She knew that Mark was going to be taking Lizzy’s anal virginity and she wanted everything to be ready. She pushed a finger into Lizzy’s tight little ass as she sucked harder on Lizzy’s clit.

“OHHHHH GOD MOMMY!” Lizzy cried out as another orgasm slammed her young body.

Isabelle soon had three fingers pistoning in and out of Lizzy’s ass as Lizzy ground her pussy and ass against her mother. Meanwhile Mark was sitting there with a slobber coated cock standing straight up and he grabbed Lizzy and lifted her off of Isabelle’s face and spun her around with her back against his chest. He grabbed Lizzy’s legs spread them open wide revealing her soaking wet pussy and asshole to Isabelle’s gaze. Isabelle reached out and grabbed Mark’s cock and aligned it with Lizzy’s asshole. Mark lowered her sweet little virgin asshole down onto his fat purple head.

“Now baby girl I am going to take your last cherry and complete your surrender to me as my fuck toy. It’s going to hurt at first but you will come to love it OK?” He growled deeply into Lizzy’s ear.

Lizzy nodded her head yes as she looked at her mother with a bit of hesitancy. Isabelle quickly moved her mouth down onto Lizzy’s pussy as began to work her tongue around Lizzy’s pulsing clit as Mark took the opportunity to push his hard throbbing cock into Lizzy’s virgin asshole. Lizzy’s moans turned into screams of pleasure and pain as Mark’s cock popped into her tight little tunnel. Lizzy’s ass burned badly as it stretched painfully to accommodate his fat purple head. Isabelle sucked even harder on Lizzy’s pussy to help with the pain. She knew that this was the best way to help.

“OHHHHH GOD IT’S TOO BIG UNCLE MARK! I DON’T WANT TO DO IT ANYMORE!” She screamed as he thrust upwards and buried his hard throbbing cock balls deep into her hot tight tunnel.

Lizzy screamed out as she was split open completely. It was too late to back out now. She was completely impaled on his cock and he had a death grip on her hips pulling her further onto his hard throbbing cock. Isabelle’s tongue was washing over Mark’s cock and Lizzy’s burning asshole trying to get more moisture on his cock before he began to hammer his cock into Lizzy’s asshole. Mark lifted her legs up against her chest and began to pump her ass up and down his shaft.

Isabelle couldn’t keep her mouth on Lizzy’s bouncing pussy so she decided to suck on Mark’s balls as she worked her fingers in and out of Lizzy’s soaking wet pussy as it bounced up and down. Soon Lizzy’s cries of pain turned into cries of pleasure as she orgasmed again and again around his cock and her fingers.

“OHHHHH MOMMY I LOVE IT!” She moaned as her body shuddered uncontrollably.

“Good girl! Mommy is so happy and proud of you for being a brave woman!” She moaned as she felt his balls swelling.

She knew that it wouldn’t be long before his cum was filling Lizzy’s tight little asshole.

“FUCK HER TIGHT LITTLE ASS MARK! MAKE HER YOUR SLUT LIKE YOU MADE ME!” Isabelle groaned as she sat back and watched her daughter get used like a fleshlight.

Isabelle’s fingers were buried in her spasming pussy as she orgasmed from watching her daughter’s transformation from an innocent little girl into a cum craving cock slut just like her mother. Mark was hammering into Lizzy’s asshole as he slammed her body down onto his hard throbbing cock.

“FUUUUUCCCCKKKKK MEEEEEEEE I’M CUMMING!” He growled as he thrust upwards once again and slammed her down hard driving deeper into her spasmodic asshole.

Lizzy screamed out in pleasure and pain as she felt his hot cum splashing her insides. His cock pumped stream after stream of his incestious seed deep into Lizzy’s bowels as Isabelle screamed out as another orgasm slammed her body. Mark’s balls convulsed as they emptied the remaining cum into Lizzy.

Mark held Lizzy’s body as she continued to shiver from the intense orgasms that had ravaged her young body and his cock shrank and slipped out of her battered ass. Mark is now the proud owner of two perfect little fuck toys.

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By AlabamaSlamma #Incest #Lesbian #Teen #Threesome

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