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Happy Trails With My Sister
By Beating Off Bob (beatingoffbob@yahoo.com)

***

Dad takes Rob and his sister Lee on a two week camping 
tour of national parks, using a camper on the back of 
the pickup. Rob figures out that being in the back 
while they drive gives him a chance to take some 
pressure off. Lee figures out she might be able to do 
the same thing and uses his "sleeping" cock to make 
herself feel good. When it goes off, though, it's not 
where she planned. (MF-teens, inc, 1st, mast)

***

It's funny how things turn out. Seemingly unconnected 
events conspire to cause things to happen and sometimes 
those things can be life changing. So for my story I'll 
show you the "unconnected" things. The life changing 
part will become clear.

First of all let me tell you a little about our family. 
Dad is this big beefy guy with wide shoulders and 
muscles a pro wrestler would be proud of. Mom died when 
we were younger, but I remember she was this little 
slip of a woman who was beautiful and smiled all the 
time. Now that I'm grown, if I saw a couple like that 
I'd stare at them, thinking he'd just CRUSH her while 
they were... well, you know. 

My sister, Lee and I got our frames from our mother, 
much to my dismay. I couldn't be a jock, so I drifted 
toward shop and that was a little change that made a 
big difference in my self esteem. I'm pretty good with 
my hands and people know it. But I stood by watching 
the jocks get all the popular and gorgeous girls.

Like Lee, for instance. She has what in books would be 
called an elfin face, with big green eyes. Our mom had 
long hair and after she died Lee decided never to cut 
her hair again - ever. So now she has this thick mane 
of ash blond hair clear down past her ass, almost to 
her knees. Her breasts are cantaloupe sized, with perky 
pink nipples that point slightly upwards and were well 
defined even when "soft". Her pubic hair is just as 
blond as her head hair and her butt is round and soft 
and fat, sort of. 

Guys fall all over themselves trying to get her to go 
out with them. She had a boyfriend or two, but nothing 
hot and heavy. Of course all the guys tried to get in 
her pants, but from what I heard she was increasingly 
adept at fending them off.

Now I know she isn't a cock tease, because she doesn't 
have that reputation. But she also doesn't have the 
reputation of being a slut. And the guys just keep 
coming back, so she must be fun to be with. Exactly 
what happens on all those dates is a big mystery. 
That's something a brother usually isn't privy to.

But back to her hair. When she decided not to cut it, 
it affected the rest of her life. I mean long hair is a 
pain to take care of. So usually she wore it in a loose 
braid, almost everywhere in fact, except at home. There 
she let it flow loose. She actually used it as 
"clothing" at home. See our family had always had a 
little nudist streak in us. It wasn't intentional. I 
mean we wouldn't have described ourselves as "nudists". 
We just didn't wear clothing if it wasn't necessary. 

For instance, the clothes hampers were in each bedroom. 
If you're going to take a shower you undress, but why 
carry clothes around with you? So we'd undress in the 
bedroom, put the clothes in the hamper, and then go 
take a shower. When we were done we'd dry off, and then 
go to the closet or whatever to get some clothes to put 
on. If it was summer, we wouldn't put on much. So that 
meant there were naked people walking up and down the 
halls sometimes. 

If Lee had a date and the clothing she wanted to wear 
was in the dryer or something like that, she'd walk 
around the house in panties while she waited for her 
clothes to be ready. This is where the hair comes in. 
All she had to do was pull her hair around to the front 
and it covered her almost completely. I mean enough for 
modesty's sake. Sort of. 

There were just two problems.

One was that her breasts were big enough that they'd 
push their way through her hair mostly. And her nipples 
poked out even farther. She never wore a bra. She said 
they cramped and hurt, which makes sense to a guy. I 
have a suspicion nowadays that one reason she didn't 
like to wear them was that her clothing and her hair 
caressed or tickled her nipples or something, because 
almost every time I ever saw them they were sticking 
out, looking hard and swollen.

The other thing is that with her hair covering her 
front, that left her back completely exposed. And she 
had a butt to die for. It was her butt, in fact, that 
made me sexually aware of her. Oh don't get me wrong, I 
knew she was beautiful, and I had intentionally looked 
at her breasts and that soft looking patch of almost 
white hair between her legs. I knew she was a woman and 
I knew what guys did to and with those parts of the 
body. But the first time I ever wanted to touch her 
sexually it was because of her butt. 

She was walking down the hallway in front of me, going 
to her room from the shower. Her hair was in front of 
her, covering her front and her butt... wiggled... 
while she walked. The left cheek raised and then 
lowered and the right one did the opposite. My dick 
stiffened a little and I wondered what it would feel 
like to press that stiffening dick up against those 
soft undulating buns. 

Almost immediately I flushed red and stopped. I even 
turned around and went the other way. Wow! Thinking 
about shoving your dick against your sister's ass! What 
a pervert. 

Anyway, she never knew about that, so I was safe. But I 
started noticing her as a woman a lot more. That was a 
small change, but one that made things different.

For example, Dad and I always wandered around the house 
in our underwear. I liked briefs and he liked boxers. 
But when I started noticing Lee it caused... well... 
problems. Obvious problems.

But I wasn't about to give up comfort, so I dealt with 
it in several ways. Sometimes I'd sit down and do 
something, like read. That made it less obvious. 
Sometimes I'd go into my room and whack off like mad, 
shooting long strings of silvery cum into towels or 
whatever. Once in a while I'd just let it all hang out, 
so to speak. 

Dad was clueless. He worked hard and we were good kids, 
so other than spending some time with us he pretty well 
was oblivious to what went on around the house.

But eventually Lee noticed the bulges in my briefs. In 
the beginning she kidded me about it. 

"Got a mouse in your pocket?" she said one day while I 
was making a sandwich. 

I looked at her and she was looking at the front of my 
underwear. I looked down and there was my half hard 
dick, making a nice tent. The funny thing is that this 
time it wasn't Lee who had caused it. I was spreading 
peanut butter and found myself thinking about Nancy, 
the girl who lived next door and wondering what it 
would be like to spread peanut butter on her breasts 
and then lick it off. 

Don't laugh girls. It's a guy thing.

Anyway, Lee was staring at the front of my shorts. What 
does a guy do in that situation? For some reason I 
decided to be brazen about it. 

"What? You've never seen a hard-on before?" I couldn't 
believe I'd said it. 

Then SHE was blushing. "Of course I've seen a hard-on 
you moron." she growled. Then she suddenly realized 
what she'd said and blushed even more. 

I did the Jim Carey line "Oh REALLY!" and we both ended 
up laughing. 

That was a little change, but it made a big difference 
in our lives. Because after that, if I got hard I 
didn't hide it any more. And Lee didn't kid me about 
it. Well, not really. She had these long fingernails. 
There were a couple of times she put one finger down 
and scraped a fingernail across the bulge and said 
"Your mouse friend is back". We'd always been pretty 
loose around each other, but this was a step further.

Anyway, another change that happened that seemed 
unconnected was when Dad decided he wanted to take us 
on a two week vacation to see the Grand Canyon, 
Yellowstone, the Tetons and so on. All the major 
tourist spots in the western half of the lower 48 
states. It would be about a three thousand mile trip. 

We liked to tent camp, but Dad said it would take too 
much of our time to set up and break camp every night, 
so he went out and found a used camper that would fit 
in the bed of our pickup. It was old, but serviceable. 
It had a bed, a two person couch, a tiny kitchen, a 
porta-potty and lots of little places for storage. The 
couch unfolded into what some salesman somewhere had 
once called a second bed. It was tiny.

The first question out of my mouth was about the beds. 
It was obvious that if Dad was in either of them, 
nobody else would be able to squeeze in. Like me, for 
instance. Dad said something about how somebody could 
sleep in the cab and then said "Both of you will fit in 
the big bed anyway. What's the big deal?" 

I looked at Lee, expecting her to complain, but she had 
this faraway look in her eye, like she wasn't paying 
close attention. But she said "Whatever" and suddenly 
the idea of sleeping in the same bed with my sister 
didn't seem so bad. And after all, what could happen 
with our father right there, three feet away from us?

So off we went. It was fun. We all sang with the radio 
as we drove along, usually on an interstate highway 
somewhere, and we got to see some really beautiful 
scenery. The tourist traps were cool and all in all we 
had a great time. All of us could drive, so we switched 
off and on pretty regularly. 

Sleeping in that bed with my sister wasn't the 
earthshaking thing I thought it would be, though I did 
get a few hard-ons. I just turned over and put my back 
to hers when that happened. I woke up a couple of times 
in the night with her cuddled up next to me, an arm 
draped over me or something, and that usually made me 
hard as a rock, but I didn't really mind. 

Well, except for the fact that I couldn't beat off on 
this trip. No privacy. 

Then one day I got this bright idea. 

We were driving along and my balls were aching. There 
had been a group of girls flirting with me at the last 
stop and my imagination had started in. Suddenly I 
realized there was privacy right behind me, in the 
camper. 

"Hey Dad. I'm sort of tired. Pull over so I can get in 
the back and take a nap, OK?" 

He pulled over, I got in the back, the truck started 
off, and I had a glorious hour to spank the monkey all 
by myself. I was having such a good time that I put off 
coming. I'd get real close and then stop. My cock was 
leaking precum all over the place, and that took off 
the pressure a little bit I guess. I'd go from one 
fantasy to the next, trying to decide which one to blow 
my wad on. My dick was twice the size it usually is 
when I beat off, and just as hard as iron.

That was another little difference. I usually whacked 
off and came in less than five minutes. But not this 
time. That too would end up changing my whole life.

I was still engaged in this leisurely beat off session 
when I felt the truck start slowing down and pulling 
over. Damn. So close. Now what? If I hurried I could 
shoot, but I didn't want to hurry. Maybe we were just 
getting gas or turning onto another road or something.

It was hot and I had stripped down to the buff, but my 
shorts were handy. I decided to peek out the windows to 
see what was going on. I pulled aside the curtains as 
the truck came to a full stop. 

Nothing. 

Then a flash of blond hair. Lee was coming back to the 
camper! 

Shit!

I knew I'd never hear the end of it if she found me in 
the camper, rod in hand, naked. I only had one chance. 
She wouldn't think it was odd if I was sleeping nude. 
Everybody in the house slept that way. So I jumped on 
our bed, draped part of the sheet over my loins and 
closed my eyes. I lay on my side, facing the door and 
tried to breath deeply, like I was really asleep. 

I hoped she was just going to get something out of the 
fridge and then we'd go on. My balls were beginning to 
hurt a little from the anticipation of blowing a nut.

The door opened and Lee climbed in. 

The truck started moving again. 

Shit, shit, shit!

Now I was stuck trying to convince Lee I was actually 
sleeping. I couldn't open my eyes because I didn't know 
where she was or what she was doing. 

Then she spoke "Rob?" she whispered. Again "Robbie... 
are you sleeping?" 

I didn't open my eyes or change my breathing. Then I 
felt the sheet being moved. She must have lifted it up 
because she gasped and then said softly "Well, well, 
well, he must be having a really nice dream." 

Oh man, she was looking at my dick! 

I heard her moving around and a rustling sound. I just 
had to know what she was doing, so I cracked open one 
eyelid just a teeny bit. At first I couldn't see 
anything. Well, that's not right. I could see, but I 
couldn't tell what I was looking at.

Then the eye focused and I about choked. Lee was 
getting undressed. She already had her shirt off and I 
was looking at her breasts hanging from her chest as 
she bent over to remove her shorts. Then she skinned 
out of her panties and she was naked! 

She glanced at me, but must have thought I was still 
asleep. Then she started taking her hair down. She 
unbraided it and shook it out. Then she looked toward 
me again. I closed the eye and realized I was holding 
my breath. I started breathing again, but that stopped 
as she got into the bed with me. 

Man oh man what was I going to do now? 

At first all I felt was hair. Then she did something 
and the hair disappeared. I cracked the eye open again 
and saw her back right in front of me. She had taken 
her hair and pulled it all forward to her front. Then 
she wiggled backwards until she was pressing her naked 
back against me. 

Then I felt that luscious soft round butt of hers press 
backwards against my boner.

I about shit. Well, not shit, but I almost came. I 
think there were two reasons I didn't blow like Old 
Faithful. First, my dick was at the stage that it was 
so hard it was actually pointing toward my head. When 
she moved back against it her butt was pressing against 
the underside of it, where it wasn't as sensitive. 

But the big reason was because if I squirted I'd never 
have been able to explain how THAT happened, and being 
scared about that took the edge off just enough.

OK. I know what you're thinking. My sister has just 
found me in the camper asleep, has seen that I have a 
monster hard-on, has taken her clothes off and climbed 
in bed and pressed her butt up against that very hard-
on. From your vantage point I can see how you'd think I 
was crazy to be afraid. 

But I wasn't thinking very straight at that particular 
time, so I didn't realize what she was doing just then. 
So cut me a break while I tell you what happened next.

You have NO idea how mind blowing this all was. I mean 
I'm lying there, my dick just as hard as its ever been 
and leaking like crazy. The truck is driving along and 
it must not be on an interstate because there are bumps 
in the road and it curves too much. I figured we must 
have turned after all and she just ran to the back 
while we were at the stop sign 

I knew we were in Wyoming somewhere and were heading 
for a State Park to spend the night and do some hiking 
the next day. My sister's naked butt was pressed 
against the bottom of my dick and her naked back was 
touching my chest. The truck rocked and my dick pressed 
into her extra hard. 

She had to be feeling this. 

Then she did another little thing that changed my life 
forever.

I felt her hand on my hip and then it slid between us 
and very lightly grasped my penis. She rolled away from 
me and bent my dick down so it was pointing right at 
her. She must have raised a leg because when she rolled 
back toward me my dick was between her legs. Then she 
lowered her leg and my dick was trapped. 

Believe or not - and I know you don't - I thought she 
had done this just because the lump in her back was 
uncomfortable. Then I realized that the head of my dick 
must be right at the opening of her pussy.

If you are a guy you know there are times when your 
dick gets so hard that you can't piss. I mean you 
physically cannot get a stream started. That's how hard 
I was. I actually tried to let myself come, and just 
get it over with, but I couldn't do it. It was like my 
dick was paralyzed or something. I think I was in 
sensory overload.

So I lay there paralyzed while the truck swayed back 
and forth and she moved away from me and then back 
toward me. Not very much, but plenty enough for it to 
feel like I was fucking her. Her legs were tight on my 
prick and there was plenty of friction. 

Well, at first anyway. 

Pretty soon I realized that it was getting mighty 
slippery between those legs. I knew I was leaking cum, 
but it was slipperier than that. That, believe or not -
yeah yeah, I know you don't - THAT was the first time I 
began to have a clue as to what was actually going on. 
My sister, my very own baby sister was using me to get 
herself off!

It was beginning to feel good. 

Really good. 

I don't know if the hyper sensitivity passed or 
whatever, but suddenly I could feel my dick again. It 
was sliding back and forth between her legs and it was 
all slippery and stuff and I began to worry again that 
I might come. 

Then I thought to myself, "Shit, she knows what she's 
doing, and if it squirts she can't say she didn't 
expect it." 

Then I had a thought. My dick was probably long enough 
that it was actually sticking out in front of her a 
little bit. I had this picture in my head of it looking 
like it was HER dick and then squirting and it seemed 
funny... but I didn't laugh. Whatever was going on I 
didn't want to interrupt it or make things change. I 
was going to get my rocks off after all, and this was 
infinitely better than doing it with my hand. 

Lee made a sound. It was low in her throat. Not a moan 
exactly, or a growl. If she'd have been a cat I'd have 
sworn she purred. Then I felt her fingers on the head 
of my dick and she was pressing it upward, making it 
rub right into the groove of her pussy lips. Now the 
glans was rubbing right on her clit and she did moan.

Then something else happened that was little, but 
changed my life forever. Dad hit a bump hard and 
swerved at the same time. 

Yup, the combination of that and her pushing it into 
her opening made my dick slid right into the mouth of 
her pussy. 

It only penetrated her an inch and a half or so, but 
that was all it took. A couple of days worth of 
horniness and a set of overflowing balls were released 
in the split second it took for my brain to register 
that my dick was in my sister's pussy. 

Then I DID blow like Old Faithful. 

And, since I had all the instincts that Homo Sapiens 
was equipped with, when I felt the first jet leave my 
penis and blast into her pussy, my right hand gripped 
her hip and I pulled her into me. My hips flexed and I 
buried it another two or three inches in her. Man oh 
man did it feel good. Those jets of silvery sperm-laced 
semen shot up into Lee's pussy.

She squealed as she felt my dick go into her and then 
went, "Ahhhhhhhhhh," as she realized it was shooting 
off in her. But there wasn't anything she could do 
about it. Her hands were in front of her and she had 
nothing to grab to pull herself away from me. The only 
thing she could have done was just roll off the bed and 
sprawl in the aisle.

I think maybe she had some instinct too, because as I 
felt my third or forth shot fire off into her I felt 
her pussy clamp down on my dick a couple of times. 

Then in true to form teenage fashion she squealed 
"Robeeeeeee!" like I'd stop or something. 

Well I did stop eventually, but only after every drop 
of my potent sperm had been implanted fairly deep in 
her sweet soft pussy. 

Since all pretense of my being asleep was blown, I said 
"Wow". 
Now she moved. She DID roll forward, right out of bed, 
and fell on the floor. She scrambled to her feet, 
flipped her mass of hair over her shoulder and stared 
down at her exposed pussy, sort of squatting bowlegged. 
A big glob of white sperm came flowing from her pussy 
lips and hung, before it slowly began to form a huge 
teardrop and fall toward the floor. She was panting 
hard and red faced. 

Then those green eyes rose up and locked on my face. 
"Roobbbeeeeeee... YOU CAME IN MY PUSSY!" she yelled.

Now I don't know if I was still hard - I wouldn't have 
been surprised, considering how horny I had been - or 
if seeing my sperm dripping out of my sister's pussy 
had gotten me hard again. At any rate, my dick was 
standing tall again, pointing right at her. At her 
outburst I decided to call her apparent bluff. 

"Yup" I said straight faced. "I sure did, and I want to 
thank you, cause that was awesome. By the way, it's 
getting all over the floor." 

It was comical to see her look back at her pussy and 
then at the puddle that had dripped on the floor. Her 
hand slapped to her pussy to keep any more from coming 
out and she said "Shit! Dad will kill me." 

I did laugh at that. The absurdity of her thinking he'd 
blame HER for MY cum being on the floor was too much. 

Of course SHE didn't think it was funny at all. She 
started to yell, but the truck lurched again and she 
fell toward me. I caught her, getting a nice handful of 
soft tit in the process. Her face was right in front of 
mine. Imagine my surprise when all of a sudden my 
sister kissed me. 

And I mean KISSED me. 

It was a lip lock to remember. It started out all soft 
and rubbery and very quickly went to each of us trying 
to suck the tonsils out of the other. Then she was 
laying all over me, rubbing her breasts against me and 
moaning. She finally broke the kiss and pulled back a 
whole three inches.

"You bastard" she said in an almost normal voice.

I tried to look hurt. "What?" I said "What did I do? 
All I did was try to take a nap."

She wasn't buying it. Those green eyes bore into mine. 
"You do know, don't you, that I didn't come." she said, 
her voice still level. "You got your rocks off... IN me 
I might add, and I didn't get anything. that's not 
fair."

I got the feeling she wasn't actually all that mad at 
me. 

"Well, as your brother, I want you to be fulfilled, so 
I recommend you do something about that. I'm more than 
willing to help if you can think of any way I can BE of 
help."

She kissed me again, this time a quick one. "I knew 
you'd understand." she said cryptically.

Then she straddled me, put my dick in the entrance I 
had so recently vacated, and sank down on me with all 
her weight.

I hadn't thought about the fact that she was a virgin.

When I blew my wad in her, I wasn't exactly thinking 
about her hymen, and, in fact, hers was already gone 
for the most part. But she was still a virgin, and 
she'd never had her pussy that full of anything before. 
So, when her full weight dropped onto my boner she 
winced, and once she was fully impaled she sat still, 
her hands on my chest. 

She was tight. 

But the "lubricant" I had left behind made her first 
full penetration a lot easier. She sat there for maybe 
a couple of minutes before she rocked back and forth a 
couple of times experimentally. She leaned forward and 
rocked and she purred again. 

I knew her clitty was being massaged, and that she had 
full control over how much, so I just lay there being a 
hard dick for her. It didn't take long for her 
discomfort to fly away and then she started having a 
good time. She raised up and then flopped back down a 
couple of times, each time going "Ohhhhhhhh," or 
"Ahhhhhhh," but mostly she rocked. That was really nice 
for both of us because my dick was long enough to reach 
clear to her cervix in that position, and when she 
rocked the head dug into her cervix and massaged it. 

And vice versa. I had been doing just fine, having cum 
so recently, but when her cervix started kissing the 
head of my prick my balls started making more semen on 
overtime. Her hair fell forward and made a tent. It was 
caressing every part of my chest and face as she rocked 
back and forth and that got me even hotter. 

I saw one of her perfect breasts in front of my face so 
I leaned up and latched onto the nipple, sucking ard. 
"Ooooooooo keep doing that" she moaned. 

I got my hands busy on both breasts, squeezing her 
puffy pink nipples, pulling them and then licking or 
sucking them too. 

"Yeahhhh that's it... you're doing it... I'm gonna... 
yeahhh... Ahhhhhhhh...OH ROBBEEEEEEEEE!" And then she 
came. 

She came like a bomb. First she stiffened, and then her 
hips jerked back and forth about four or five times 
hard enough that I thought she was going to rip my 
prick out at the roots. Her pussy started doing the 
milking maid thing, rippling up an down, squeezing my 
dick, saying "Come on pretty penis, and give me a 
bath." Her head was whipping back and forth, which 
meant there was hair everywhere, flying through the 
air, making a cloud all around us. I think it was the 
sounds she made that got me off though. I can't even 
describe them, except to say she sounded happy - really 
happy. So I came with her.

This time it wasn't explosive. I felt it start deep in 
my balls and travel up through my prick. My dick pulsed 
and a long string shot out. 

"I'm mating with my sister," I thought. 

Another gooey rope lanced into the mouth of her cervix.

"I'm pumping my sister's virgin pussy full of my 
spunk." 

Her weight came down on me and my dick head spat a pool 
of sperm that got trapped, soaking her cervix and being 
sucked into her womb. Two more surges of my seed 
flowed. 

"My sperm is the first sperm ever to enter her womb," I 
thought. 

My balls ached as they tried to supply even more fluid 
to shoot into my sister. But I was done.

She was leaning over me again, her face close. "Thank 
you Robbie," she whispered. "I knew I'd like it if I 
did it with you."

"You're more than welcome," I said back. "I stand 
always ready to serve your needs."

Her pussy muscles squeezed my softening dick. "I have a 
feeling I'm going to have some pretty intense needs." 
she said smiling. "And we only have another week and a 
half to go."

I don't know if dad noticed or not, but we took a lot 
of naps on that trip.

END

* * * * * * * * * * * * * * * * * * * * * * * * * * * *
It's okay to *READ* stories about unprotected sex with
others outside a monogamous relationship. But it isn't
okay to *HAVE* unprotected sex with people other than
a trusted partner. You only have one body per lifetime,
so take good care of it!
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
Kristen's collection - Directory 40