I would like to thank Chasp for editing this story for me.
All characters are 18 years or older.
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As the sun rose in the distance, Dawn saw the sign up ahead to the campground.
"We're almost here" She announced in a loud voice, as she looked in the rearview.
Everyone started to stir. Billy's was the first to sit up and look around. As he took a deep stretch he asked. "You drove the whole way, Mom?"
"Yea, I was in the mood for a long drive"
Greg straightened up but didn't address himself right away. He was still scared of what Billy might say.
I'd better play it cool for awhile,
he thought to himself.
Billy looked back at his dad.
"Morning, dad. Did you sleep alright back there? I know how little space there is."
"Umm yea I did son, I can't believe it myself."
"So where are we going to setup camp this year, dad?" Billy asked, as if he's really cared.
"I thought up by the lake, if everyone is up to the hike."
"That sounds great!" Steff spoke while she stretched.
"We'll be able to go swimming," Steff expressed with glee.
Dawn looked back in the rearview mirror at her husband. In a huffy voice replied,
"I wish I knew this back at the house. I would have packed my bikini."
Greg thought and came up with a plan. "Well when we get to the campground, Billy and I could stay there, while you and Steff head up the road to town and find a new bikini there."
"Clothes shopping. This trip is starting off fantastic already, " Steff replied excitedly.
"I guess we could do that. You two wouldn't mind waiting around for us at the campground?"
"No. I think I and dad will be able to find something to do while you to shop" Billy replied, knowing full well that his dad would want to try and talk his way out of what he did with sis.
"Okay then, I'll try and hurry to find a suit."
"Hey mom I think I need a new one also." Steff interjected.
"Steff ,we don't have time for you to try on every bikini in the store"
"Aw ,come on, mom. I'm not that bad, and besides, I would only be waiting around for you to find something."
"We'll see, but no promises"
Shortly after they had left, Billy felt a strange tingle through his body again, and his dick started to increase in size.
"Oh no, not again!" he thought to himself.
Billy's mind started to drift, and his vision went back to seeing his mother bent down on her knees in front of him. He imagined her opening her mouth and taking his dick in it and slowly sucking him off. Then his mind changed people, and now he saw his sister, and she was slamming her ass against their father's dick, screaming out loudly in ecstasy as he was pulling her into him with both hands on her waist, ramming his cock deep inside of her. Again, his mind wandered. He could still see his sister face, as she screamed in her climatic state, but now the man fucking her brains out wasn't her father anymore, it was he.
Billy could feel his cock at full hardness, almost poking out of the top of his jeans. Overnight it must have grown another 2 inches.
Lost in the enjoyment of the new thoughts traveling through his mind, Billy tried to overcome them and bring himself back to reality, shaking the incestual images that were haunting him.
Billy shamefully asked himself, "Why am I thinking these thoughts? Am I really a pervert?
But the urges that were running throughout his body were too much for him to control. The desire that had built up in him of wanting and needing his mother to suck him off, and now fuck his own sister, were almost more than he could stand.
"Okay then I'll just have to live with that fact that I'm a sick, twisted pervert who wants to fuck his own family. So I might as well be the best pervert I can be," Billy thought. And with that, the shame he felt started to dissipate.
Knowing that his dad would want to discuss what he seen last night, Billy was going crazy trying to cover every excuse his dad could use as to why he was lapping his own daughter to a climax.
Somehow he might be able to use it to his advantage, without his father knowing what his true intentions were.
Billy made his way to a grassy area, still trying to stretch the stiffness out of his body.
Looking over at his son, Greg signaled to Billy with his hand. "Billy, we need to talk."
"About what, dad?" He replied, with a faked puzzled look. Billy headed over to his dad.
"I think you know."
"Are you talking about what I saw you and sis doing in the back seat?"
"Umm yea. I need to explain." Billy cut him off before Greg could finish.
"If you're worried that I'm going to tell mom what I saw you can put your mind at easy. First off, I think sis somehow tricked you and secondly, I don't want to see you and mom split up over this.
"That's exactly what happened!" Greg said, breathing a sigh of relief.
"Well I figured as much, dad, but sis must be up to something, and I wouldn't put it past her to open her big mouth and tell mom what you two did. Now that they've gone shopping, she's got all the time in the world to tell mom her side of the story. I would bet it makes you out to be the person who made the advances. Mom isn't going to ever believe you now if you told her what happened. She would want to know why you didn't stop sis, or tell her first thing this morning what Steff tried to make you do."
Greg dropped his head down.
"I think your right, son. I think I'm still in deep shit."
"Not if we put our heads together dad, and somehow make it out that you're not the bad guy here, but the person that was being taken advantage of."
"What do you mean son?"
Seeing the intense interest in his father's eyes, Billy put his mischievous plan into action.
"Well, what would happen if I was able to seduce mom? Then she'd see how it could've happened to you."
Quickly standing tall and crossing his arms, Greg looked sternly at Billy and said,
"What are you saying Billy? I should condone to letting you fuck your mother?"
"No. No. I meant just a little seduction. Not screwing her, "Billy replied with a quick chuckle.
"I mean, god dad, she's mom. How sick would that be?"
Billy realized that is was just as sick as his father licking his own daughter.
"Errr, sorry dad; you know what I mean."
"Yeah I know what you're talking about."
Billy continued explaining his plan to his father.
"If I can get mom just interested in the idea, and not actually doing anything with her, then maybe she could see how it could happen, and that would give you a good opportunity to tell her what happened to you with sis."
Greg paused for a moment, looked up at the morning sky, and then back at his son.
"It sounds just crazy enough to work, but I don't see your mother getting sexually aroused by her own son."
"I could, when we get up at camp, maybe pay mom more attention. You know, compliment her on how pretty she looks, and help her with things around camp."
Greg laughed.
"That might make her happy, but I don't think that's going to get her interested in having sex with you."
"I'll figure it out, dad. I have the whole week to try and make something work. I mean, I would rather take a chance at this working than see you two getting a divorce."
Pausing for a moment, Greg hesitantly spoke to Billy.
"I might be able to help you with your seduction."
"How's that, dad?"
"Well, your mother is a sucker for having her neck played with."
"What do you mean, dad?"
"Umm.. Your mom gets overly excited when I caress and kiss the nape of her neck. It puts her in the mood."
"Oh." Thinking for a bit, Billy said. "I'll try and figure out a way to rub mom's neck, then."
"Just don't ever let her know that I told you about her neck, or any of this conversation."
"This is just between us dad. I'll never tell anyone."
Billy couldn't believe his luck! Not only was he going to get the opportunity to seduce his mother in front of his dad - he told him how to do it.
Greg thought about what Billy said about Steff. He didn't think that she would be the one to tell Dawn about them, but it was a possibility.
What am I going to do if she does? What if this stunt didn't work? .
So many questions.
Billy pushed his dad with his shoulder.
"Hey it's going to work out ok dad. If sis does tell mom, I've got your back. I'll say I saw Steff putting the moves on you while you were sleeping."
"But that is what did happen! I was asleep, and I thought it was your mother at first, then it was too late by the time I was fully awake to stop her."
"We'll even though I didn't see that, I'll say I did. I believe you dad."
"Hey I know you're not old enough to drink yet, but I think on this trip we'll let that slip. When your mom gets back, I'll walk over to the store and grab us some beer for up at camp."
"I thought you already had beer in the cooler."
"Yea enough for me, and maybe one or two for your mother." Greg pat Billy on his back, laughing out loud, then said "Hey your mom is a lightweight when it comes to drinking. We could try and get her a little tipsy. That might make it easier for you two to..." Greg paused mid sentence.
"I know what you mean dad, but don't worry; it's Mom and me. Nothing bad is going to happen."
"Come on, son. Let's go get checked in, that way all we'll have to do is backpack the stuff to the camping area. By the time we get up there and settled in, the sun will be going down."
"Okay, dad", and off they headed to the Check-In Station.
Meanwhile Dawn and Steff were at the department store in town. Dawn had found a nice bikini, but of course was waiting on Steff.
The sales lady approached Dawn. Excuse me Miss.
"It's Mrs." Dawn smiled to the clerk.
"Oh, sorry, I thought you two were sisters. Well I just wanted to let you know that we're having a big sale on ladies' panties. They're last years' styles and I have to get them sold so I can put out next year's ones."
Smiling at the clerk Dawn said to her "Thank you for the compliment, but we only need swim suites today."
Having heard the word 'sale', Steff quickly exited the dressing area.
"How much are they?" she rushed over, asking.
