Undercover Sis

[Orgasmicallyfun]

Feeling Lizzy start to suck on his cock while swirling her tongue skillfully along his shaft brought several groans into the kiss. He hated admitting it but his little sister made him feel so much pleasure. Stacie broke off the kiss and when Matt opened his eyes he saw Lizzy’s pussy inches away from his face. Her pussy lips glistening in the morning sun from how wet she was.

Then he looked back to Stacie when she said what she did. Her lips so close to his he wanted to keep kissing her. Her pink lips glossy with saliva looking so delicious. He knew he wouldn’t get more of the kiss until he said what she wanted to hear. He heard a suction noise coming from Lizzy as she kept working more of his length into her mouth. This sensation made him groan deeply. “Oh god I want my sister to swallow my cum!” Matt groaned again

 

[Poprockz]

Stacie smirked at him, satisfied. “Good boy.” She returned her lips to him as a reward, sucking on his lips and twisting her tongue around his mouth. He didn’t doubt that she could probably tie a cherry stem with her tongue. She paused to kiss her way down his mouth and jaw to suck on his neck, purposefully giving him several hickies. “Whoops.” She said playfully, her steely eyes admiring her work as she ran a manicured nail down his neck.

Lizzy had actually been practicing how to deep-throat, ever since she had seen his enourmous length. It helped that her gag reflex was very weak, giving her a leg-up. She wanted to try on the real thing. Slowly but surely, she took his entire length into her mouth and throat; she almost gagged, but was able to overcome it. Had he been in front of her, he would have seen a slight bulge in her throat where his head and part of his shaft rested.

 

[Orgasmicallyfun]

The way Stacie was kissing him and then sucking on his neck had Matt wanting to fuck her nice and deep like he did the night before. He reached his hand from her ass further down between her cheeks. He started to rub her pussy feeling how wet she was made him smirk. “I remember fucking this wet pussy last night.” Then he leaned in and started kissing her again. This time he was the one to suck on her lip and tongue.

He could feel Lizzy working more and more of his length into her mouth and throat and he was amazed when she took the entire length and deep throated him. Any girl he was with in the past couldn’t deep throat him. He couldn’t believe his own little sister was the one to do it. He groaned out and threw his head back in ecstasy feeling her warm throat around his cock. “Fuckkk!”

 

[Poprockz]

“Mmm.” Stacie purred when he reached between her legs. She looked at him, blinking her long eyelashes and feigning innocence, “You and me fucking? Well, I certainly don’t remember that. Maybe you’ll have to jog my memory.” She giggled with a naughty grin and let him resume taking over in the kiss. As long as he did whatever she wanted, she was more than happy to accommodate his urges.

Lizzy knee she wouldn’t be able to last too long on his cock with it so deep, so she quickly started bobbing her head, her lips forced wide apart by his girth. Her mouth would touch the very base of his shaft before coming up about halfway and going down again. As she gulped now and then, he could feel the muscles in her throat rippling and squeezing down his length. Squelches from her throat could be heard as she struggled to milk the monster in her mouth.

 

[Orgasmicallyfun]

“I think I can definitely do that.” Matt said with a smirk as he stared into Stacie’s smokey gaze. “I remember fucking you from behind and slapping this big ass.” Matt said and then he slapped her big ass a couple times and then rubbed it lovingly. “Such a sexy big ass!”

Lizzy continues to deepthroat his massive cock and he knew he was going to cum. “I’m going to cum!” He groaned out and threw his head back into the pillow groaning deeply as he started to cum a very big warm load right into his sister’s throat. His body tensing up while he released his biggest load yet right into Lizzy’s throat and mouth.

 

[Poprockz]

“Mmph!” Lizzy desperately gulped as her throat was filled with cum, but she wasn’t fast enough, and there was too much of it. Cum oozed out the sides of her mouth and out her nose as his cock continued to shoot his replenished supply of sticky-sweet semen. Once his cock twitched for the last time within her young throat, she slid her mouth off his shaft, coughing and gasping a bit as her chin dripped cum. “There’s so much inside me, I think it was more of a buffet than a breakfast.” She panted breathlessly.

“If it’s a buffet, then there’s plenty to go around I would say, right?” Stacie rubbed her ass for a moment before gently moved Lizzy over so that she was in the same position. Stacie, however, preferred not to deep throat if she could help it. She didn’t really need to, though. She scooted up to his cock and nestled it between her breasts, letting a string of saliva drip from her lips to moisten them up. “I guess you’re going to have to wait to fuck me until I get my breakfast as well. I’m a growing girl, and I need all the vitamin D I can get.” She winked at him and wiggled her ass in his face. “You can play with my big sexy ass until then if you want, though.”

 

[Orgasmicallyfun]

Matt also there breathing heavily feeling and hearing his little sister slurp up his warm cum. It was so naughty and forbidden but something deep down inside of him loved it more then anything. When she moved off of him Matt saw his little sister with his cum all over her face and it was such a sexy sight.

That sight was soon replaced his Stacie’s big sexy ass when she straddled his chest and began to sandwich his still hard cock between her big tits. The cum and her saliva smearing all over her tits getting them so wet and slimy. He could hear her wet flesh moving up and down his cock. “You can have all the vitamin D you want Stacie!” Matt said and was soon muffled when she pressed and wiggles her big ass against his face.

Once her ass touched his face he places kisses all over her big juicy cheeks that were wiggling all over his face. He then grabbed her cheeks and spread them so he could see her wet pussy and her asshole. “Mmmm talk about a buffet.” He said and then leaned forward and started to lick between her cheeks along her asshole then down to her pussy. He started kissing and sucking on her wet lips while his hands massages her ass.

 

[Poprockz]

"Of course I can." Stacie jested before focusing more on his cock. She opened her mouth and quickly lapped her tongue against his head as she massaged her large lubricated breasts around his shaft. She then lightly traced the very tip of her tongue against him, wiggling it against the very slit of his cock.

She paused to relish the feeling of him feasting on her aroused pussy and ass. His tongue seemed to know exactly what to do to drive her wild. "Mmm... If you continue to be a good boy, Matt, I might let you fuck me in the ass. Would you like that?"

Lizzy recovered from her meal and looked at them, considering what to do. She then moved herself between his legs and leaned down, moving her head to the side to get underneath. When she found what she wanted, she stuck her tongue out and curled it around his balls, pulling them into her mouth. Her tongue pushed them around her warm mouth, savoring the taste.

 

[Orgasmicallyfun]

“Mmmm yes I would!” Matt said and then ran his tongue over her asshole teasing it more and more. His tongue running over her hole and swirling around it getting it so wet. Then he groaned against her ass when Lizzy joined Stacie on his cock. The big booty Stacie servicing his shaft while his sister sucked his balls. “Fuck that feels so good!!!” Matt groaned in a pleasure filled voice.

 

[Poprockz]

Stacy moaned as he toyed with her asshole, wanting his cock to fill her up there completely. Her arousal motivated her to suck his cock in earnest, taking him into her mouth and moving up and down his shaft, bobbing her head quickly. Both of the girls seemed to be hungry for him this morning, their mouths licking and sucking with desperation.

Lizzy let one of his balls slip out of her mouth, then she sucked it back in. She did this a couple times which each of his balls, then she sucked just a bit of skin and pulled it gently before releasing. Her ravenous mouth had taken them both back inside to play with a moment later, swirling her warm saliva around them.

 

[Orgasmicallyfun]

Matt couldn’t believe what was happening. He was having another threesome with his sister and her best friend the morning after they all fucked like animals. He was loving every second of it too. “Fuck yes that feels so good!” He praised both girls who were pleasuring him with their mouths. His cock and balls was soaked with the saliva from the two hungry teens and it even ran down his ass and onto the bed beneath them.

Matt continued to tease Stacie’s ass. After a few minutes of teasing her hole he moved away and just placed kisses and nibbles all over her big ass. He was infatuated with her juicy plump ass. Then he pressed his face against her crack and started to lick her asshole again. This time using the tip of his tongue to enter her hole.

 

[Poprockz]

Lizzy was happy that her tongue was making him moan, and even more happy that he was accepting her desire for him. She stopped sucking on his balls and moved upward, replacing her mouth with a gently hand on his balls, stroking and fondling. Stacie came up from his cock and closed her eyes for a moment to better feel his inquisitive tongue slip inside her. "Dirty boy... Mm."

Lizzy started licking his cock, and Stacie soon noticed. They both started running their tongues along his cock. Each of them taking turns sucking on it occasionally. Sometimes they would kiss each other at the head of his thick member, letting their tongues rub and slide against each other around his sensitive head, enclosing their lips around it to include it inside their kiss. Lizzy lowered her other hand under him and lightly traced her finger along his skin between his balls and his asshole.

 

[Orgasmicallyfun]

https://images.sex.com/images/pinporn/2018/10/30/460/20150642.gif

When both girls started to lick and suck his long thick shaft the pleasure was almost too much for Matt to handle. “Oh fuck that feels so good! I’m going to cum!” He groaned out. Then he went back to licking Stacie’s ass groaning out frequently. His body soon tensed up and a huge sticky load of cum erupted out of his monster cock.

 

[Poprockz]

As he started to tense up, Stacie sucked his head into her mouth, receiving all of his load. She gulped and gulped, hungrily drinking his milky gift as Lizzy's tongue continued to lap at his shaft to try to coax more out of him. Once he finished, Stacie came up for air and licked her lips. "That was so fucking tasty, hot and ready out of the oven. If that was on the menu, everyone would be coming back for seconds."

Stacie bit her lip as he continued to penetrate her ass with his tongue. "Lizzie, can you bring me my backpack?" Lizzy looked at her inquisitively but did so, returning with the backpack as requested. Stacie unzipped it and searched, grinning as she took out a double-sided vibrating dildo.

"What's that for?" Lizzy asked, her eyes looking it up and down.

"That my dear, is for fucking you while he fucks me." She grinned devilishly, "What do you say Matt? Should I fuck your sister in her pretty little cunt while you fuck me in the ass?"

 

[Orgasmicallyfun]

“Oh fuck oh fuck!!” Matt groaned out very loudly as he came so hard. With Stacie sucking on the top of his cock and his little sister licking the rest of his shaft it caused him to shoot off the biggest load he ever had and if there was a way of comparing it would be the biggest load in history. He continued to cum for over a minute and Stacie hungrily swallowed every last drop. This girl continued to amaze Matt.

He laid there breathing heavily recovering from such a big orgasm. His tongue going back to work on Stacie’s ass while he listened to the two girls. He stopped licking and sat up when he heard what was in the bag and what Stacie intended to do with it. “Damn that’s so naughty and very sexy. I would love to watch that!” Matt said giving Stacie’s ass a few kisses.

 

[Poprockz]

“Mmm, good.” Stacie looked Liszt up and down, her eyes caressing all of her soft curves. She was absolutely bisexual, and had no qualms about fucking Lizzy for his (and her own) pleasure. She crawled forward toward Lizzy, gently pushing her down onto her back and splaying her legs before the dark-haired vixen. She took the vibrator and rubbed it against her wet pussy, eventually plunging it inside of herself with a lustful groan. Her eyes then moved back to Lizzy.

“Wait, I’ve never fucked a woman, I’m not bi.” Lizzy said nervously, trying to close her legs.

Stacie grinned, pushing her legs back apart insistently. “Oh, I think you’ll love it. Not only because Matt is watching, but also because you owe me much more than this.”

Lizzy blushes and looked at Matt and then back at the vibrator. “Okay, I guess that’s okay.”

“Good girl.” Stacie rubbed her Phallic toy against Lizzy’s sipping wet cunt, running it vertically along her folds for a moment. She then worked it around, finding the entrance and guiding it there. Stacie eagerly penetrated his sister deeply. Lizzy moaned and shivered.

 

[Orgasmicallyfun]

Matt day there watching as Stacie approaches his sister. He noticed how nervous Lizzy was but Stacie seemed to calm her down. The scene unfolding in front of him was very sexy and it didn’t take long for him to be fully erect again. He got on his knees and crawled next to the two girls. His long thick cock sticking straight out and hanging downward slightly from how long it was. “Is this how it looked like when I fucked her last night?” Matt asked while his cock rested across Lizzy’s breasts. Stacie being so naughty brought out a equally naughty side of Matt when he was with her.

He found himself wishing he was that toy buried inside of Lizzy’s pussy right now. He had flashback to what he remembered from the previous night and remembered just how tight his little sister was and how her teen pussy gripped his cock like a python.

Matt crawled behind Stacie and bent over to lick her ass some more. Making sure it was soaking wet with his saliva, letting globs of his spit roll down his tongue and soak her hole. He then moved into position and guided the tip of his cock into her tight hole slowly inching in slightly then back out working his massive member into the teen’s ass.

 

[Poprockz]

"Your little sister laying there with her legs splayed apart so that her big brother could put his big cock as deep as he could? Absolutely." Stacie replied with a smirk.

She reached back and handed him something. As he looked, he saw it was a little remote that was divided into two sections. "That's the remote for the vibrator. It lets you adjust the speed or pulse. It even lets you decide if you want only one side on at a time, or want different speeds on each side. I'm letting you have the reins because you've been so good this morning."

Every time he would press into her, Stacie would take the momentum and make a small thrust into Lizzy, causing her to take in a sharp inhale of breath. As he tested her asshole, Stacie leaned down and licked Lizzy from her abdomen all the way up to her breasts, where she started to lick one of her nipples, pushing and sliding around it with her tongue.

 

[Orgasmicallyfun]

“You are so naughty Stacie.” Matt said as he took the remote from her examining the buttons on it. He gave her ass a slap and thrusted the rest of his length deep inside of her. “I love naughty girls.” He added starting to work his hips slowly letting her ass adjust to his massive size.

“Now let’s see who this one goes to.” Matt was unsure as to which side belonged to which girl so he turned on the vibration on the left side of the dildo and waited to see what girl reacted.

 

[Poprockz]

"Always." Stacie groaned loudly as he forced his way to the depths of her slutty ass. The combination of his cock in her ass and the vibrator in her pussy made her so full. "I love your cock in my ass." she replied, panting. His slow thrusts transferred from Stacie to Lizzy, the long vibrator working itself in and out of her pussy slowly.

"Oh!" he heard a faint "brrrrr!" noise coming from them as Lizzy squirmed from the unexpected vibration. "It's-it's buzzing in my pussy!" Lizzy moaned softly, starting to push her hips back against Stacie to get a better thrust from the toy. Stacie continued to ravish her nipple, kissing and suckling it.

 

[Orgasmicallyfun]

Finding the perfect rhythm between fast and slow thrusts Matt held onto Stacie’s hips while watching her big plump ass wiggle each time he thrusted into her. He had only done anal a couple times but this was by far his favorite time.

Hearing his sister moan out he took his eyes off of Stacie’s ass and focused on his little sister who was writhing in pleasure. He loved seeing Stacie licking and sucking on her nipples. It looked so delicious he wanted to suck on her other nipple. “You like how it feels?” He asked Lizzy referring to the vibrating dildo. He then turned the setting to Stacie’s side up a little higher then Lizzy’s.

 

[Poprockz]

"Yes!" Lizzy called out. He couldn't tell whether she was answering his question or just enjoying herself immensely. Either way, it told him what he needed to know. His thrusts continued to have a trickle-down effect, as the movement of his hips against Stacie's would result in Lizzy being thrusted into. It was almost like Stacie was a medium for his cock to pleasure his sister.

As he turned it on higher for Stacie, he felt her shudder with pleasure. He could actually feel the vibration of the toy inside her, giving his cock a little bit of stimulation as well when he was inside her. She moaned with desire against Lizzy's nipple as her hand squeezed her other breast, twisting the nipple in her fingers.

 

[Orgasmicallyfun]

When the vibrations started on Stacie’s side of the toy Matt felt some of the vibrations and it was a unique sensation that only added to his pleasure. He groaned and turned her side up even more to give both of them more pleasure. Each thrust he took into Stacie caused her to thrust the dildo deep into Lizzy.

Matt and his sister locked eyes and it felt almost as if Matt was fucking Lizzy. He turned her side up a little higher matching Stacie’s side. He then bent down and placed his hand on the side of her neck running his thumb along her jawline and soon to her pink lip.

 

[Poprockz]

Both of the ladies moaned and whimpered as he increased the vibration. Lizzy looked at him longingly, also imagining that the toy was his cock. She opened her mouth, inviting his thumb inside if he wanted. Her hands gripped the sheets on either side of her so that she could withstand the heightened vibration of the toy while his thrusts continued.

From where he was, he could see her abdomen bulge out a little every time the toy plunged into her pussy. If the toy was about the size of his own cock, it stood to reason that her abdomen rippled for him too when he put such a large thing inside her. "Does watching me getting fucked turn you on?" she whispered shyly.

 

[Orgasmicallyfun]

Without giving it any thought Matt slipped his thumb into Lizzy’s mouth feeling her warm moist mouth and tongue on his finger. He then took notice of her abdomen bulging out each time the toy plunged deep inside of her. His jaw dropped slightly in amazement of how deep it was. “Did that happen when I fucked her last night?” Matt asked softly in Stacie’s ear then he started to nibble and lick on her earlobe.

Matt nodded down at Lizzy in response to her question. It did turn him on, it turned him on so much and he was wishing it was him. The day before he wouldn’t even have thought about fucking his sister but after last night and this morning he found himself wanting her pussy.