FAMILY TENT SWAP

Robert had been busy preparing for the family camping trip all day. It was the last vacation before school started up, and the only time they had been able to go camping all summer. Even his sister was coming down from college to go with them. They had been close before she went away to the university.

This is going to be awesome! He was rolling up his sleeping bag as his mother walked into his room.

"Hey Robert," she said. "You all ready?"

"I am." He smiled up at her.

"I'm sorry it's been a rough summer around here with your dad and me fighting so much," she said placing a hand on his shoulder. "It has nothing to do with you. You understand, right?"

"Yes." Robert looked down. He always hated these heart-to-hearts. His mother was right; it had been a rough summer. His parents had been at each other's throats all summer. He couldn't stand the way his dad had been treating his mother. She deserved so much better. Although it seemed like things were settling down. His parents had even been joking around with each other this evening. Robert was determined to make the best of it. He smiled up at his mother. She was so beautiful. His gaze started to drift down to her chest but he stopped himself in time. God! What is wrong with me these days?

"Your sister will meet us here in the morning and we'll be off," she said. "It will be good to see her again. Good night, Robert." She leaned over giving him a kiss on the forehead and then left the room shutting the door behind her.

Robert finished rolling up his sleeping bag and then re checked his pack and laid out his clothes for tomorrow. It's going to be both good and bad to see Tammy again.

He thought back to the last time she had come down at Easter. They were only two years apart. Robert was eighteen and going into his senior year of high school and she was in her second year of college. Tammy had started developing breasts in high school and they had just kept on growing and growing and growing. Even though she was his sister, Robert couldn't keep his eyes off of his sister's chest. His hormones were completely out of control and it didn't help that his sister liked to wear the tightest tops she could fit into. It wasn't fair.

Robert turned off the lights and slipped out of his clothes and plopped down on his bed. Now he couldn't get Tammy out of his mind. To make matters worse he had noticed tonight that his mom and Tammy were spitting images of each other. They were both the same height and weight, with the same thick blonde hair. They even had almost identical bodies. Robert had to admit though, that his mother's boobs were much larger than his sisters. This is going to be a long weekend unless I can sneak out and whack off somewhere a couple of times a day. He dreamed all night about his mother and sister taking turns offering their massive tits to him and alternately slurping on his cock.

The alarm went off at 6:30 the next morning. Robert's dad liked to get an early start to get the best campsite. Robert showered, dressed and grabbed his gear, and quickly rushed downstairs. His parents were already there eating breakfast. His mother had prepared a big plate of pancakes and sausages for him.

Everyone turned as the kitchen door opened, and there stood Tammy. She looked even more amazing than she had the last time Robert had seen her. She was wearing very short, denim shorts and an amazingly tight tank top that clung to her massive chest like a second skin. Robert could feel his cock start to twitch. He frowned and silently berated himself. You're sick, sick, sick!

"Tammy!" His mother squealed and ran over squeezing Tammy in a tight embrace. "You look so good!"

"Mom!" She squealed back. "You look great yourself. I missed you."

"Hi, Tam." Robert's dad smiled.

"Hi," Robert chimed in, using nearly superhuman effort to keep his eyes from dropping to her chest.

"Hi, Dad. Hi, Robert." She smiled. She walked over and gave her dad a kiss on the cheek and then surprisingly she pulled Robert out of his seat and gave him a big hug. He nearly went into shock as her massive chest pressed against him, but somehow he managed to not lose consciousness and fall twitching to the floor.

"What was that for?" he asked.

"Nothing." She said smiling at him. "I just missed everyone, even you!" She laughed.

Robert smiled. This was nearly a perfect moment in time. How much better could life get?

"Got a girlfriend?" Tammy asked as she poured herself some coffee.

"I'm working on it," Robert said staring down at his pancakes. Thankfully the conversation turned towards the trip ahead and away from him. He had been working on it but he was too painfully shy. It wasn't looking too good for the coming year either.

An hour later they were all on the road. Robert's dad was driving, his mother was in the front seat and Robert and Tammy were in the next row back. All of their camping gear was in the back of the spacious SUV. Tammy was leaning back with her eyes closed listening to her mp3 player, giving Robert a great view of her expansive chest. He tried not to look, but he just couldn't help himself. I'm such a pervert.

Two hours later, they reached the campsite. Robert had to admit that his dad had picked a good one. It was isolated from the other sites in the area, but still close to the showers and bathroom. It was totally private, with a couple of logs by the fire pit and a private path down to the river.

"Hey, sport!" his dad hollered. "Let's get these tents set up, while your mom and Tammy unload the rest of our gear."

Robert hurried over to his dad and grabbed one of the two tents from the back of the SUV. That's when it hit him. Where was everyone going to sleep?

"Hey dad." Robert said as they put down the ground cover.

"Yeah?" his dad said distractedly.

"Are you and I sharing the big tent?" Robert asked hopefully.

Robert's dad laughed. "Um, that would be a big fat no." He said, handing Robert one corner of the big tent. "Your mom and I need to share some quality time and do some talking. You and Tammy will be sharing the smaller tent. She's not as snotty since she went off to college," he said chuckling. "I think you'll be fine."

"I think you're right dad," Robert said, inwardly thinking that it could get a little awkward. This certainly wasn't what he envisioned when he was thinking of the camping trip last week. They continued on in silence until both tents were up.

Robert stood and admired their work. The smaller tent wasn't so bad. It was a two-person tent, and it would be a little cramped, but it would be fine. He was looking forward to sneaking a peak at his sister while she changed clothes, and he would have plenty of opportunity to relieve himself in the woods. Yes this trip would be fine. You have to look at the glass as half-full.

The rest of the evening was great. Robert's dad started a roaring camp fire, and his mom cooked up a great supper. Then they all sat around the fire and talked. Tammy talked about college and how much she missed everyone. Robert talked about how excited he was that it was his last year of high school. Robert's dad mentioned that he might be getting a new job soon, and his mom was just happy that everyone was here.

The fire started dying down and Robert's mom and dad said their goodnights and headed into the tent. Tammy went and got a towel, telling Robert that she'd be back after a quick shower. Robert told her that he would probably be asleep by the time she got back.

Robert was planning on catching a glimpse of his sister, but he fell asleep almost as soon as his head touched his pillow. He was startled awake by a noise. He sat up in the tent rubbing his eyes.

"What was that?" he asked, talking to himself mainly.

Tammy had been in the middle of buttoning up her pajamas. She just barley pulled it across her exposed chest as Robert looked around. He snapped his head around in the other direction.

"Oops...sorry!" he yelped.

"It's ok," Tammy laughed at him. "I thought you were asleep."

"I was," Robert said. "I thought I heard something."

"You did, silly." Tammy said still laughing. "That was mom."

"What?" he asked still groggy. "Did she fall or something?"

"I swear, you are so dense," Tammy said. "Just listen."

Robert closed his mouth and listened. He could just barely hear it. Muffled screams and grunts were coming from his parent's tent.

"Oh, my God!" Robert gasped. "Are they...they're...he's..."

"They're fucking Robert," Tammy said snorting with laughter. "You know. It's what married people do. They fuck."

"Well yeah. I know," Robert said. "I'm not an idiot. It's just that I've never heard them or anything. I guess I just didn't think they would... here with us so close."

Tammy had crawled up near the front of the tent so that she could hear them better. Robert did the same and stuck his head out beside his sisters. "Keep quiet," she said, elbowing him in the ribs.

They kneeled there listening to their parents fuck. Robert had to admit that it was pretty intense and erotic. His cock was twitching in his boxers. "Oh that's it! I'm gonna cum!" Robert's mother grunted. They could hear her moaning as she orgasmed. They were both shocked at what they heard next. "Oh. God that was so good. Yes, bring that big cock up here and cum in my mouth baby," Robert's mother said huskily.

Tammy pulled back inside the tent and Robert followed. When he turned around, he thought he saw her glancing at his crotch but she quickly looked up at his face. It must be just my imagination. He quickly got into his sleeping bag, hoping that his shorts were baggy enough to hide his erection from her. This was becoming the weirdest camping trip in the history of mankind.

"That was crazy," he whispered to Tammy.

"You've never heard them fucking at home?" Tammy asked him incredulously.

"Well no." He was embarrassed at his lack of awareness. He was also feeling uncomfortable at his sister's constant use of the word fuck. College had definitely changed her.

"Okay, I know your room is on the other side of the house but come on little bro." She said laughing. "Remember, my room was right next to theirs" She continued. "They try to be sly about it but I could still hear them."

"Well at least they're getting along." Robert chimed in hopefully. He had been getting worried that they were heading for divorce.

"Yeah," his sister said distractedly. "Good night."

"Good night, Tam." Robert said and fell asleep again quickly.

The next morning Robert woke up with a raging hard on. Normally he would have jacked off and then went about his day, but with his sister sleeping right next to him, he wasn't able to do that. He tried thinking about baseball and American Idol. That helped a little bit. When he was at half mast he reached into his pack and got dressed. His cargo shorts were loose enough so that his aroused state wasn't that noticeable.

He was the first one up, and went to the bathroom to take a leak. That helped the situation, although he ended up pissing on the wall a bit. He thought about jacking off in there but the smell was too bad. He couldn't force himself to do it.

When he got back to the campsite his mom was up starting breakfast. She was dressed in tight khaki shorts that clung to her round ass, and she had a shirt tucked into them that was at least two sizes too small. Her breasts strained against it and Robert's cock started to twitch. Oh, God. Not now. He hurried over to the picnic table and took a seat. He had never thought of his mother sexually until this weekend, but he had to admit that she was a walking wet dream. He would be thinking of her today when he went off into the woods. I'm so sick.

"Oh good morning, Robert," she said cheerily. "You're up early."

"Yeah. I love the morning air down here." He replied, but all he could thing about was her asking his father to cum in her mouth last night. Baseball, baseball, baseball, Clay Aiken, Ryan Seacrest. It wasn't working.

"Me too," his mother replied. "How did you sleep?"

"Great!" He replied. "I'm going to take a hike after breakfast." And jack off thinking about your giant tits wrapped around my cock and then me cumming in your mouth. I am so going to hell.

"Are you feeling okay?" She asked. "You look a little flushed and clammy."

"Yes." He said looking down.

Robert was saved as his father walked out of the tent. "Well good morning you two! You're up Robert? Breakfast smells wonderful honey!" He walked over and gave Robert's mom a big kiss on the lips.

"Do we have any coffee?" Tammy said plopping down at the picnic table right beside Robert.

"You betcha!" Robert's mom replied, pointing to a pot on the camping stove. "All hot and ready to go."

Breakfast was almost unbearable for Robert. His gaze kept drifting between his mother and sister's chests. He was tempted a couple of times to take his fork and stab his eyes to keep them in line. He didn't. After breakfast and with a painful erection that he hoped nobody noticed. Robert told everyone he'd be back by lunch and took off for his hike.

There was a trail that went off into the hills just on the other side of their campsite. Robert had probably hiked about a mile when he decided to veer off to the left. He made his way through the trees and into a clearing.

Robert unfastened his shorts and pulled out his rock hard cock. He was so horny that he could barely stand it. Precum was already dripping off of his shaft... He started stroking his cock thinking about his sister's lips sliding up and down his cock. Sorry Mom, but Tammy beat you out this morning. He had never done anything like that with a girl but he had seen plenty of porn online.

Robert was so busy relieving himself that he didn't notice someone crouching on the other side of the trees watching him. He didn't notice that she gasped when he said her name out loud as he came, and he didn't notice her sneak back through the woods after watching him blast his cum all over the clearing.

Robert stuffed his cock back into his pants and blew out a sigh of relief. He would be able to control is eyes around the female members of his family now. He didn't know what had come over him these past couple of days. He was hornier than he'd ever been, and he just couldn't get enough of his mother's and sister's boobs. That's all he could think about.

He made his way back to the trail and then felt so good that he continued his hike. He was gone the rest of the morning and when he returned he found the campsite empty. He made himself a sandwich, grabbed some water and went on another hike. He loved being away from the city and being surrounded by nature. He could have hiked and sat by the river all day. When he returned he found his family getting ready for dinner.

"Long hike eh, boy?" his dad asked.

"The best dad!" Robert replied sitting down at the table. "I could hike all day up here."

"We know." His mom chimed in handing Robert his plate. "You did!" Everyone laughed.

"What did you three do?" He asked.

"Well your sister went on a hike this morning as well, and your dad and I walked the park and ran into Uncle Bill and his wife." Robert's mom said. "They invited us over for drinks tonight."

Tammy had remained unusually silent during supper and then said that she was going to take a shower after dinner. Robert's mom and dad left to go have drinks with Uncle Bill as the sun started to set. His mom yelled back over her shoulder that they probably wouldn't be back before midnight.

Robert went into his tent and took out a book and started reading. He was surprised when Tammy came in a little while later. She hadn't been gone long. Her hair was wet and hanging loosely over her shoulders and she was wearing a skin tight leopard print tank top. He could see her thick nipples poking at the fabric, and his cock started hardening. I guess I always knew it wouldn't last all day. At least I'm safe in my sleeping bag!

Tammy put her bag in the corner and then turned around and zipped up the front of the tent.

"Hey, it's going to get hot in here." Robert told her.

"Shut up." Tammy said coldly. She plopped down beside him causing her braless boobs to wobble under her leopard print tank top. She has to stop doing that!

"Uh..." Robert stammered, his eyes riveted to his sisters massive chest. He pulled his gaze up to her eyes quickly.

"It's too late for that." Tammy told him. "You've been ogling my tits all weekend and you haven't been very sneaky about it."

"I...I'm sorry...I..." Robert stammered, his face turning beet red.

"You've been mentally undressing mom as well, you little pervert." Tammy continued.

Robert wasn't sure where this was leading, but he knew it was nowhere good. Denial was probably the best course of action. "I didn't do anything and I having been looking at either you or mom. You're mental," he said with a slight trace of indignation. It was the best he could manage.

"Ha!" Tammy laughed. "Maybe I should tell mom you have the hots for her?"

Robert's resolve of denial broke. He had never been more uncomfortable in his life. Tammy had him and he knew it. He just looked at her and said nothing.

Tammy's face softened. "Look Rob, I'm not trying to grill you," she said. "I don't know what I'm doing." She continued. "I followed you this morning."

"You what?" He asked. Her demeanor might have changed a little for the better, but the conversation was taking a turn for the worse.

"I followed you on your little hike this morning, and I watched you in the clearing," she said. Robert noticed her eyes drift down to his crotch.

"You were following me on my hike?" He asked, still hoping to steer this conversation back to reality.

"You're so dense." Tammy replied. "I saw you stroking your cock in the clearing. I watched you cum. That was a huge load of cum Rob, and it came out of the biggest cock I've ever seen. I know you were thinking of me when you did it. I heard you call out my name." She smiled as she finished. "Please show it to me."

"Um...what?" He managed.

"I just told you to show me your cock." Tammy insisted. "Here," she said simply, peeling off her tank top. Tammy's huge tits flopped into view. They were so large and firm, jutting out in front of her.

"I...they're...wow!" Robert sputtered, practically drooling. His cock was beyond hard, threatening to burst through his shorts. He peeled back his sleeping bag and grabbed his shorts, pulling them down just enough to let his cock spring free. He wasn't wearing any underwear.

Tammy gasped. "Oh, my God!" She exclaimed. "You're huge. I mean you're hung like a fucking horse." Tammy then reached over and turned out the lamp.

"What if..." Robert started.

"Shut up." Tammy cut him off.

Robert nearly yelped as he felt Tammy's hand wrap around his cock. Until this point he had only dreamed of having his cock stroked by a real girl. It was more than a little weird that it was his sister but he wasn't going to complain now.

Robert's eyes were adjusting to the darkness, and he watched Tammy remove her shorts. "Take yours all the way off," she said. Robert did as he was told. "Just lay back," Tammy told him, and he did.

Tammy leaned over his crotch and Robert gasped as he felt Tammy take his cock into her warm mouth. Her boobs brushed against his leg as she took just the head of his cock into her mouth, continuing to stroke his shaft with her hand. Then she started working more of it in between her lips until she was bobbing her head up and down the better part of his long shaft. It was the most incredible feeling he had ever experienced and he knew he was going to cum soon. Tammy must have sensed it too. She pulled her mouth off of his cock.

"I want you to cum in my mouth Rob," she said and then engulfed his cock again. Her lips were stretched tight around his cock as she forced her mouth down his shaft. She seemed determined to take him down her throat this time. She nearly succeeded, but then Robert tensed, grunted and started pumping is semen into her mouth. Tammy pulled up so that just the head was in her mouth and she stroked his shaft until he was finished.

"Yummy," Tammy said as she sat up. "Did you enjoy that?"

"Oh my God, Tam!" Robert gasped. "That was incredible." He had a lot of questions going through his mind. Did she do that with all of her boyfriends? Did she have a boyfriend now? Was he her new boyfriend?

Tammy reached over and grasped Robert's cock again. "You're still hard. I knew you would be," she said giggling. "I need this monster inside me. I've been looking for something this big all my life, and it's funny that it was in my own house all along."

Tammy swung her leg over Robert, straddling him. He could feel her wet pussy rubbing against his still hard cock. "Well here's your chance to have what you've been wanting all weekend." Tammy said leaning forward and smothering his face with her giant boobs.

Robert didn't need to be told twice. He reached up grabbing as much of her massive boobs as he could, sucking on her thick, dark nipples. Tammy moaned in appreciation.

"Bite them," she said. Robert obliged, clamping his teeth down on her nipples as he sucked on them. Tammy reached back firmly grabbing Robert's cock. She guided it to the entrance of her pussy and then pushed herself down, impaling herself on it.

If Robert thought that it couldn't get any better than being in his sister's mouth, he had been mistaken. He had never even dreamed of anything feeling as good as being inside her pussy. She was hot, and wet and silky. He couldn't even begin to describe how it felt.

Tammy started pumping herself up and down on his cock. She leaned forward mashing her oversized tits against Robert's chest, and then she kissed him passionately. He was a little leery of kissing her. She had just swallowed his load a few minutes ago, after all. But she was so beautiful. She was the girl of his dreams. He kissed her back. He hoped he was good enough. Robert had never kissed a girl before.

"Oh fuck!" Tammy said, pulling her mouth away from his. "You're so fucking big! You're so fucking long. Uh!"

Robert was bucking his hips up to meet his sister's thrusts. The tent was filled with the sound of their fucking and grunting.

"I'm cumming!" Tammy yelped. "Oh yes!" Her whole body seemed to shake and Robert could feel her pussy contracting around his cock. It was an amazing feeling and he started cumming himself.

"Uh...I'm cumming again too!" he said as he erupted inside her pussy.

"That's it! Fill me up!" Tammy moaned.

When they were both finished cumming, his sister melted on top of him. Her breath was ragged. "Oh my God Robert," she said. "I'm sorry...I couldn't help myself. I didn't even ask...are you...?"

Robert was totally stunned by what had transpired, but he wasn't sorry at all, even if it was his own sister. "It was the most amazing thing ever, I'm serious," he said, luxuriating in the feeling of his busty sister lying on top of him. Her massive tits were pressed between them.

"I meant....were you a virgin?" she asked looking him in the eyes.

"Yes," Robert said feeling a little embarrassed. "I...I'm glad I lost it to you."

A tear leaked out of Tammy's eye. "You are?" she asked.

"Yes," Robert replied. "I've never even seen a girl prettier than you, not even in magazines."

"Not even mom?" she asked.

Why did she have to ask that? "You're way cuter than mom," he lied.

"You're pretty cute yourself," Tammy replied kissing Robert on the cheek. "And you have the biggest cock ever." she finished, reaching down and squeezing Robert's cock. It was still semi hard and wet with her juices. His cock twitched as Tammy touched it. "It looks like its almost ready for some more?' she asked.

"It will be," Robert said proudly. "I have to go piss. How long have mom and dad been gone?" he asked. l "I'm not sure, but if I know mom, she's totally sloshed by now and dad's probably carrying her back," Tammy said, and they both laughed. "Okay, we'll just have to be careful. I have to get something out of mom's bag anyway." Tammy said, pulling on her top and shorts. Robert did the same. Then he headed over to the bathroom. He didn't take a flashlight with him, knowing the way by heart by now.

While Robert was gone, Tammy went over to her parent's tent. She had left most of her toiletries at home, but she wanted to smell good for her brother so she was looking for her mom's perfume. "There it is," she said spraying herself liberally with it.

She heard talking outside and peered out the tent flap. It was her parents, and she was right, her mom was sloshed and her dad had his arm around her helping her towards the campsite. Tammy snuck out of the tent and went around to the side of it, unnoticed. She held her breath listening to them.

"You fucking never knew when to keep your mouth shut did you?" her dad yelled. "Pissed everyone one off this time, including me."

"Fuck you...and I am going to keep these lips closed tonight you worthless prick," her mother yelled back. "I'm going to sleep with the kids tonight. You can have your hand."

"Well good luck with that!" he replied. "You fat cow!" He was slurring his words as well, and was stumbling around the campsite. Tammy was expecting both of them to go crashing to the ground at any minute.

The last thing she needed was to be caught in the middle of one of their drunken arguments. She watched her mother go into her tent. "Fuck," Tammy said under her breath. She had to do something. She didn't have time to think about a plan though, because her father made his way into the big tent, thrashed around for a minute, and then fell out the front of it face down in the dirt. He mumbled something incoherently and then wiggled around a little.

"Holy shit, dad!" Tammy said running over to him. He was a fairly big man and Tammy had a hard time rolling him over.

"I knew you'd come back around booby. I knew you couldn't resist me," he said with his eyes only half open and glazed over. "I got something for you."

"It's..." Tammy started, but then decided that she'd be better off shutting her mouth and helping him into the tent. What he doesn't know won't hurt him.

Her dad reached his hand up and Tammy grabbed it, pulling him to his feet. It would have been impossible without him helping a little. As it was, he nearly pulled them both down to the ground. Finally, she had him up and draped over her shoulder, and she turned him around to face his tent.

As Tammy moved him around, her dad's hand moved down, and grabbing one of her boobs. "I've needed these all day honey." He said kissing her neck. "I love the way you smell, even if you are stupid."

Tammy was horrified. He was so drunk that he didn't realize that she wasn't his wife, and in the darkness he couldn't see her very well anyway. She wiped his hand away from her chest, and picked up the pace towards the tent. She was almost inside when she tripped over the opening flap on the floor and went sprawling inside. She landed hard on her back and barely had time to catch her breath as her father landed on top of her knocking the breath completely out of her. "Well, aren't you in a hurry, you nasty bitch," he said and then with one hand he yanked her loose shorts down to her ankles.

Tammy couldn't breathe let alone tell him to stop. Her mouth worked open and closed like a fish out of water as she watched her father sit up and pull his own pants down. He was even larger than Robert and much thicker. He crawled closer to her face and his cock brushed against her lips, leaking pre-cum on them. Tammy opened her mouth wide to protest, but her father started to slide his cock into her mouth. Tammy could breathe again and was strong enough to push her father back and take off out of the tent. She could have stopped this but...she didn't. God help me.

Tammy opened her mouth wider, and let her father push his cock further between her lips. He grabbed two fistfuls of hair and started to fuck her mouth. Tammy had always been the one in control of her sexual experiences until this moment. She relaxed and kicked her shorts all the way off as she placed a hand on her dad's ass urging him deeper into her mouth and throat. Her lips were stretched tight around his cock. He was so much thicker than Robert and she couldn't begin to imagine how that monster would feel between her legs. Her dad reached down and inserted a finger into her pussy. She groaned around his cock. Oh, God!

His cock head was starting to enter her throat and she was gagging with each of her dad's deep thrusts. She kept trying to take him deeper though, she desperately needed to please him. He pulled out suddenly, leaving a trail of drool down Tammy's chin and neck. She took this opportunity to pull her tank top off exposing her magnificent tits to her dad. She hoped he approved.

"Shit you must drunk be muster than me...drunker than me." He said stumbling over his words. "You can't even take me in your throat tonight. I may have you trade...trade you in for a newer wife." He finished, laughing. He was an asshole, but with a cock that big, you could afford to be.

He was between her legs before Tammy realized it. She was amazed that her mom could take that beast all the way down her throat. She had forgotten all about Robert. "Uh! Oh god!" She screamed, as his meat entered her pussy. She was already soaking wet, but it was still the thickest cock she had ever had inside her, and it was a tight fit.

Tammy's dad slowly drove his meat all the way inside her and then started pumping her in long, deep strokes. Tammy's eyes rolled back into her head as he picked up his pace. Just when she thought it couldn't get any better, he lifted her legs up over his shoulders and started driving into her like a jackhammer. Tammy started cumming instantly, and whimpering, her whole body shook as her dad continued to fuck her mercilessly. He was a machine. He was a real man. She was his now. Mom is going to have a fight on her hands.

Robert made his way back to the campsite, and could hear some thrashing around in his parent's tent. When he heard a female voice scream "Oh god!" he knew they were in there fucking again.

"Jesus, they're like rabbits or something," he said laughing, as he made his way over to his tent. When he was outside he decided to surprise his sister. He pulled off his shorts and shirt. He was already rock hard thinking about Tammy. He already knew what he wanted to try next. He wanted to try doggy style and fuck her from behind. She had the perfect round little ass to go with her massive boobs. With his parents fucking away in the big tent, he knew there was no danger of getting caught.

He peeked into the tent and saw his sister on her hands and knees with her naked ass pointing directly towards the tent opening. She was kicking off her shorts behind her and looking for something in her bag. It was too perfect to believe.

Robert creped silently into the tent and crawled up behind who he thought was his sister, rubbing his cock against her pussy.

She purred. "I knew you'd come around," she said, huskily. Her voice sounded a little deeper and her ass seemed a little bigger than he remembered, but he was a novice to sex, it was dark, and figured that's how things were. "Perception," he thought to himself as his cock was grabbed and guided towards the opening of his mom's pussy.

Robert gasped as his cock slid in easily with one thrust. He grabbed her hips and started fucking. This is as good as I thought it would be.

"Uh...that's it Bill." She said. "I'm sorry we fought. Don't ever stop fucking me."

Bill? Then this must be... Robert was both excited and repulsed that he was accidentally fucking his mom. It had to be her. There was no doubt. He couldn't stop though. In fact, he started fucking her with more force.

"Oh yeah," his mom grunted, bucking back against him with desire.

Robert reached around with one hand to grab one of his mother's massive tits. They were softer and larger than Tammy's, rubbing against the floor of the tent as he fucked her.

They had fucked, that way, for fifteen minutes at least. "I'm not going to cum this way you know," his mom grunted between thrusts. "Let me on the bottom and plow me baby."

Well, there was nothing else to do, was there? He knew he'd be found out sooner or later, so he pulled out of her, and watched his mom roll over onto her back. It's damn dark inside the tent, despite the bright moon outside and she is pretty drunk. Maybe she wouldn't know. She is shit faced!

Robert's eyes were well adjusted to the darkness by now, and he could see his mother's giant boobs jiggling as she got on her back. Her nipples were twice the size of his sisters. He moved forward driving his cock deep inside her. He fucked her as hard as he could, wanting to be good enough for her. She moaned in approval, and wrapped her legs around Robert's back as he started fucking her hard. He could make out her pretty face as he leaned forward driving his cock deeper. He wanted to kiss her but, he was too afraid. He needn't have been. His mother pulled his head down towards hers. There was a flash of recognition in her eyes right before she kissed him thrusting her tongue into his mouth.

Meanwhile, in the other tent, Tammy was in the throes of another orgasm as her father drove his thick cock into her again and again. She whimpered as he pulled his cock out of her pussy. She suddenly felt so empty. She opened her eyes and saw him moving up beside her head again. Tammy opened her mouth obediently and took his monster cock between her lips. As soon as he entered her mouth he started to cum. Thick ropes of his sperm shot onto her tongue and plastered the back of her throat. Tammy swallowed it all, savoring the taste of her own juices on her father's cock.

"You were so tight baby." He muttered, pulling out of her mouth and collapsing onto the tent floor beside her. "I wish you were this tight every night," he said draping a hand across her and then falling asleep. I am this tight every night, dad.

Tammy wasn't sure what had happened to Robert, and frankly she didn't give a damn. She had never felt so contented in her life. How could her mom be such a bitch to her dad? He was the perfect man. Tammy closed her eyes just for second to catch her breathe and then she fell asleep as well.

In the smaller tent, Robert and his mom were sucking on each other's tongues as they fucked on the tent floor. Robert reached up grabbing one of his mom's massive boobs as he continued to drive into her. She was amazing. She was a lot bigger than Tammy, everywhere, but he didn't care. She was the perfect woman. Does she know it's me?

She started grunting into his mouth and he could feel her body tensing. Just like with Tammy, her pussy contracted around his cock. He kept fucking her through her orgasm. She pulled back from him releasing their lip lock.

"I need you to cum in my mouth Robert." She said. She knew the whole time... "Please." She begged.

Robert slowly withdrew his shaft from his mom's pussy. She was so wet and his cock was dripping with her juices. He crawled up next to his mom's head. She grabbed his cock and guided it between her full lips, never loosing eye contact with him. She started sucking on him. It was more than Robert could take and with a grunt he flooded her mouth with his jism. She kept sucking on him the whole time he came, coaxing out every last drop of semen.

"I needed that like you wouldn't believe," his mom said wiping her lips clean when she was done. Then she sat up quickly, suddenly realizing what she had done. "Your dad and Tammy!" she said scooping up her clothes. "I'm not mad baby; we just need to get out of this tent, quickly."

She pulled on her oversized shirt not bothering to put on her bra. Robert thought that his head would have easily fit into those giant cups. Robert pulled on his shorts too. Tammy had to have either seen us or heard us fucking. Where is she?

Robert and his mom went outside and looked at each other when they heard a loud scream coming from the other tent. They both ran over there as quickly as they could. As they got closer they could here grunting coming from within. Robert's mom pulled open the tent flap and they both gasped at the sight within.

Tammy was on her hands and knees completely naked with her father fucking her hard from behind. He was driving his thick cock into her with long, deep strokes. Tammy grunted with each thrust. She was obviously enjoying herself, smiling as she was pounded from behind. "That's it dad!" she moaned. "Fuck me with that monster. Don't ever stop."

"Bill!" Robert's mom yelled at her husband. That stopped everything.

Tammy looked over like a deer caught in headlights. Robert's dad pulled his cock out. It glistened with Tammy's pussy juices in the moonlight. "I...I can explain," he stammered.

"No need," Robert's mom said reaching her hand into Robert's shorts and noticeably grabbing his cock. "I've got a new man who's young and fit and knows how to treat a lady. He's a stud."

Robert's dad smiled over at her. "Fine!" he said. "I've got a new girl too. She's tighter than you've ever been and she's not a fat cow." With that he drove his cock deep into Tammy, who grunted her approval. "I think we've got some new tent partners then?"

"I think we do," Robert's mom replied. "I'll be over in the next tent fucking a young stud." Then she turned away, leading Robert by his penis.

They could hear Tammy's loud grunting all the way over at the other tent. Once inside, Robert's mom pulled off her oversized shirt letting her massive tits flop free. Robert hardened immediately. "I love how quickly you get hard baby," she said reaching over and pulling at his shorts. Robert helped her pull them all the way off letting his cock spring into view. "Ooh, it's so long baby. That's why momma likes it," she said stroking it. "It's nice that you're not a fat old bastard as well," she said with a smirk.

"Mom," Robert started. "I'm ...confused."

"I know baby," she said moving closer and pressing her massive chest against his side and kissing him on the cheek. "Momma loves you though and everything is going to be alright. You're my new man now. I'm probably a little big for you though?" his mom said frowning."

"No...You're the most beautiful woman in the whole world. I love every inch of you."

"You know how to make momma feel so good." She said smiling at him and nuzzling his ear.

"But what about Tammy?" Robert asked

They could still hear her grunting in the other tent.

"I think she's just where she wants to be. Your father has a thick cock and I think it's just what Tammy needs. There's going to be some big changes when we get home, and the first one is that momma's moving into your room so that we can fuck every night. Now shut up and give me that big, long cock of yours!"

Robert smiled as he mounted his mother and slid his cock into her sopping wet pussy again. Life is good and this is definitely the best summer camping trip ever.