I was worried she’d find out either way. I didn’t know what would happen if she did, but the word cataclysmic came to mind.

I talked with Mom, and sis while they cleaned the kitchen. Carol convinced Anna that she ruined the food so we would just have to heat some noodles if we were hungry.

I knew Anna didn’t buy it. Carol was just too frazzled from the start. I really hoped she wouldn’t give anymore away.

“well I will see you two ladies tomorrow, I’m going to hit it now”. I said as cheerfully as I could, I was still angry at the situation. I would have been going to bed satisfied and with a smile on my face, now I’d probably have to use my hand……like that was going to be good enough after what I had been getting the last 3 days. Carol’s mouth, her pussy, my little sister’s ass and her mouth…….a hand just won’t be the same I thought in despair.

“Already old man” Anna said with a laugh.

“Unlike some of us, I’ve been working all day” I smirked before turning and heading to the den. I gave Carol a kind of look that said “well this sucks” as I left the kitchen.

The entire cabin consisted of 4 bedrooms. They were mostly for the women folk as they outnumbered us substantially. My moms usually bunked two to a room with toddlers in tow, while my dad had his own bedroom here; and my sisters shared the other bedroom. I hated when they all got together here. They treated it like a slumber party, as if it were vastly different from their living quarters at home.

The entire house could shake from fits of giggles for hours.
It was the one thing my dad didn’t seem to have a problem with. He definitely treated his daughters like princesses, unless any one of them were to do something he felt was unacceptable, such as Anna who was no longer a princess in his eyes.

My younger brother, who was 5 years younger than myself; he and I usually slept in the den. Many a blanket fort were made throughout the years. Anna was actually the one who started the tradition with me.

I didn’t bother pulling out the sofa bed since it was just me. I pulled off my sweats leaving me in boxers and plopped down on the long couch with a throw blanket. Despite no longer being able to have my way with my curvy mother the next day, I was satisfied for the time being and sleep came pretty easy.

I thought it was the next day when I was stirred awake. It must’ve only been a couple of hours.

“Mom” I slurred in response to someone shaking me. I thought for sure it would’ve been Carol waking me for more action.

“It’s me, wake up” she whispered.

“Anna?, what is it” I said sitting up slightly.

“I couldn’t sleep up there alone, it’s fucking eerie, move over”. She said pushing me over.

There was hardly the space for two people but this wasn’t uncharacteristic of her so I let her in as best as I could. She lifted the blanket and laid down tight to me.

I swallowed hard seeing that her nightly attire consisted of nothing more than a T shirt and panties. And the t shirt wasn’t even a big one that the girls usually wear. It looked like it could barely come down past the waist band of her underwear.

She pulled the blanket back over us shifting to get comfortable and opting for the spoon position.

“Spooning with another sister….uh oh” I thought but was determined to show restraint.

She reached back and pulled my arm over her stomach and shifted more tightly into me….if that was possible. It was as if she was trying to tempt me with her wiggling ass right onto my flaccid bulge through my boxers.

“Gosh it’s been so long since we were like this here huh?”

“10 years maybe” I said thinking about a simpler time where it would have been considered acceptable behavior to sleep on a couch with a sister but now, we’d probably get some frowns of disapproval.

“Wow, 10 years already, went quick”

“That it did”

“Only had three mothers back then, now we’ve got fucking four. How crazy is that?”

“Not very. Are you surprised that dad married again?”

“Not really, he always gets his way, it’s just it doesn’t make any sense to me, the bitch is close to my age. That’s why I had to get the fuck out of here……and because of the other thing of course” she said a little sullen.

“You turned out great, nothing you’ve done can take that away” I said squeezing her slightly.

She rotated in position to face me “you’re the only one who I can talk to, you know. You’ve always been the only one” she said before leaning forward, planting a kiss on my lips. It was innocent enough then she kissed me again and again before rotating back around.

And it was that easy for my member to begin growing and it didn’t help when Anna wiggled her pert well rounded butt right into my enlarging penis.

It was impossible for her not to feel it so there wasn’t a point in trying to pretend like I wasn’t hard.

She started to move her butt back against me in small subtle circular motions as if trying to arouse me further.

“Is it uncomfortable?” she asked outright surprising me with her bluntness.

“What do you mean?” I asked. I wanted to play dumb just in case she wasn’t talking about what I thought she was.

“Your cock, is it uncomfortable?” she bluntly said. Her whisperly pronunciation of the word cock made me throb.

“It’s fine” I said in short. I didn’t want this to escalate further. It was the last thing I needed.

She sighed “Just tell me, cause I’m sleeping here with you tonight no matter what, so you might as well be comfortable”.

“It’s fine, trust me” I said again wanting her to drop it.

She sighed again “What? Can you not talk to you big sister about your cock” she giggled and then without hesitation she reached back a hand, placing it on my thigh. I grabbed her hand before she grabbed what I thought she may have been after. If I knew Anna she was only doing it to mess with me. (Turns out I didn’t know Anna as well as I thought)

She slapped my hand away and placed hers onto the bulge in my boxers. “Oooh, that’s some nice man meat you’re packing little brother” she said causing me to nearly choke hearing her say those words.

“Anna!” I said in a sharp whisper.

“Oh relax prude” she only said before reaching into my shorts and grasping my veiny penis. She expertly pulled out the engorged appendage. I could’ve stopped her if I really wanted to but I only made myself more comfortable by pulling my boxers down over my balls so that the waistband didn’t rub against the underside of my shaft.

She played with my meat in her hand slightly before pushing it and slapping it against her butt.

“Anna, what the hell are you doing?”

“Just having a little fun, it’s been a while since I’ve been able to play with a nice cock. Counseling substance abusers really doesn’t allot much time to go out so relax, you might even enjoy”.

She then pushed the head into the crack of her panty covered ass and then a moan escaped her lips as the it made contact with her protruding labia. I couldn’t help but enjoy the feeling of perceived helplessness and just allow her to play with my dick. And of course the feeling of her supple ass rubbing all over my cock didn’t hurt either.

She was right, this was innocent enough until she stopped to pull her panties to the side exposing her hidden treasure.

“Anna-“

“shhh” she cut me off “we won’t carried away hollis” she whispered before sliding my fat prick back into the confines of pert ass cheeks.

She continued her little motions back and forth with my cock bumping lightly into her slick pussy without actually penetrating. I don’t know if this was sex but it felt good and there was something harmless about the way Anna did this.

She moaned almost inaudibly over and over. She kept a slow pace but she began to circle her ass with my cock caught in the cleft. Variety is the spice of life they say.

After nearly 20 minutes of this play she backed her pussy lips onto the straining mushroom tip. Just when I thought she’d stop she didn’t.

“Anna!” I whispered sharply again half-heartedly protesting.

“Shh, its fine, just the tip ok” she breathed huskily before I felt my cock head slip into her dripping pussy with ease.

“mmmm” she moaned “it’s not fair that my brother’s cock feels this good” she whispered with a slight laugh before starting to softly fuck herself on the tip of my penis. In retrospect, it was probably more like a couple of inches.

I couldn’t help but get into it and without a thought I moved my hand up her shirt to grasp her breast and tweak her nipple whilst simultaneously kissing and lightly sucking on her neck.

There was no longer any perceived helplessness and without another threshold to pass I pulled her hips back, impaling her fully onto my cock until her butt came to rest against me.

She gasped raspy breaths and went rigid with pleasure. Her tight canal clamped down on my cock hard and without a thought I released another pent-up load of sperm into another sister.

Good thing it was as much cum as I had given Carol hours earlier or the couch would’ve been soaked.

We both came down from our climaxes and are breathing slowed and within minutes we both drifted to sleep.

When I woke that morning, I discovered that Carol and Anna had left me note that they went to the store in the next town over so they would probably be gone a while. The previous night’s activities flashed in my mind but I wasn’t worried. Not with Anna. We had always been close and intimate as siblings could have been. My logic was that the fact that we had sex was just an added benefit of our closeness and intimacy.

I took the day to make sure all of the boats and other vehicles were working well enough to enjoy for a week. By the time the Carol and Anna got back it was late in the afternoon. We unloaded a ton of groceries and other items and put them away. That was a job fit for a crew in itself, but there would be more than fourteen people living here for a week.

Carol made a small dinner for the three of us and surprisingly it wasn’t awkward, despite having to dine with two women who I had had sex with but they didn’t know that I had had sex with the other.

It was even nice and quaint to talk with them which went on for hours and then we all went to sleep.