Quarantined With my Sister by sixT9dr

One thing that I became quite confident about, however, was the placement of her hand.

Although we were both under the sheets, it was fairly obvious that she had moved her hand between her legs — and not just to rest it there. Out of the corner of my eye, I could faintly detect rhythmic movements of the sheets. A horrifying truth slowly sank in: My sister is masturbating. While sitting right next to me.

The subtle squinting of her eyes indirectly confirmed her illicit pleasure.

I was in shock. But at the same time, although I didn’t want to admit it, my second main reaction was jealousy.

It was a huge turn-on to know what she was doing, and my cock — which was fully engorged and standing at attention — was begging for similar release. Unfortunately, unlike her, any movements of my own would be way too obvious, and so I had to just sit there and painfully resist the urge to start furiously stroking myself.

I nearly lost my composure when I heard a soft moan escape her lips.

Glancing in her direction, I found her eyes closed and her mouth hanging open. The subtle motion underneath the sheets had stopped.

Holy fuck, I thought to myself, my sister just brought herself to an orgasm — right next to me.

I then noticed that the movie seemed to be nearing its conclusion. I urgently forced myself to think about other things that would make my erection disappear.

When the credits started rolling, my sister acted as if she had just woken up out of a stupor. “Wow,” was all she said at first. “What did you think?”

Was she looking for a critic’s movie review? My personal response?? My thoughts about being aware of her successful masturbation session?!?!?

I deferred by returning the question: “What did you think?”

“Mmmm,” she said as she smiled contentedly. “That was very enjoyable.”

Fuck. My cock stirred again. Why did she have to state that so seductively??

“What now?” I was struggling desperately to distract myself. Her next question didn’t help:

“Wanna play together?”

“Huh??” I probably didn’t disguise the alarm in my voice very well. Her question was uncomfortably open-ended. What did she mean by that?!? Was she trying to come onto me…??

Her suggestions interrupted my racing thoughts: “Board game? Ping pong?”

Ugh, you idiot!! Once again, my corrupted mind had wandered waaay too quickly into an incestual gutter. I breathed another sigh of relief — something that seemed to be becoming a regular habit.

“Uh… sure. Either one.” And, just like that, playing various games became the casual reality for the rest of the day. There was no further discussion about the movie… and I certainly wasn’t going to bring it back up in conversation.

When it came time to go to sleep, however, I found that I couldn’t stop thinking about the movie. Instead of visualizing the actors in the love scenes, though, I pictured myself in those couplings… along with my sister.

I vacillated between being horrified at those inappropriate thoughts and being intrigued by them. Such was my state of mind as I drifted off into sleep.

+++++++

— Saturday, after dark. Day 5 of quarantine (part 2).

Perhaps not surprisingly, after so many graphic sex scenes had flooded my brain earlier in the day, one of my first dreams that night was a sex dream. Oddly enough, the dream was almost identical to the one from two nights earlier.

Once again, I was lying naked on my back on top of the bed, and a woman was kneeling on the foot of the bed between my spread-apart legs. While I laid there in blissful enjoyment, she was expertly throating my cock. In my dream, I squinted at my watch: this time, it read 11:20pm. Subconsciously, I once again stretched my arm forward to place my hand upon her head to let her know — with gratitude — that I was thoroughly enjoying what she was doing.

As soon as my fingertips reached her hair, she pulled off my cock with a loud slurp, looked up at me, and smiled wide.

“I think I’m addicted to your cock,” my sister said.

“Thank you,” I said. My voice sounded awfully realistic.

“I thought I would be satisfied with doing this just one time,” my sister said, “but after watching that movie today, I was too cockhungry to resist trying again.”

Wait. That was very specific.

She had resumed. I leaned forward, propping myself up on my elbows. This felt real. This looked real.

I touched her face. My sister paused to look up at me. We made eye contact.

Her hand was wrapped around my cock. She had pulled it out through the hole in my boxers. Even in the darkness, I could see that it was glistening wet with her saliva.

My heart sank into my stomach. Ohhhhh fuck… I think this is actually happening.

Pulse pounding, I asked, “Is this…?” I couldn’t bring myself to say the word “real.”

A wicked smile stretched across my sister’s supple lips. She finished the second half of my question: “… real? Yes. Yes, it most certainly is.”

I stammered: “Wait… did you do this the other night too?”

She nodded proudly.

Oh fuck… that WAS real. This IS real. ALL of this is real. The truth smacked me in the face. “Sis!!!” I exclaimed, fairly loudly. “What the fuck are you doing?!?!?”

She shushed me, cautioning me to keep my voice down. “You don’t seem to mind,” she whispered in response. She kissed the tip of my compliant cock.

“But…” I stammered, unable to formulate a complete thought.

She continued: “You also didn’t seem to mind the other night when you launched your huge load of semen into your sister’s mouth.”

FUCK. “I thought I was dreaming!” I reacted defensively.

“No sweetie…” — she had never called me sweetie before — “… no, that was very real.” After a pause, she added: “I have the cum in my stomach to prove it.” And with that, she impaled her mouth on my cock again.

I wasn’t ready to commit to this incest. I pulled her head back off.

“But you’re my sister!” I whispered strongly through clenched teeth.

She seemed prepared for this conversation. “Yes… and you are my brother. But you also happen to have a really nice cock, and we’re stuck in quarantine together, and I’m horny, and I know that you have sexual needs too. Consider it a favor.”

My mind was numb. I didn’t have a response.

She continued stating her case: “And you have to admit that it hasn’t been at all weird between us the last couple days, even though I already sucked your cock once. I could tell that you weren’t even sure if it had happened. I’m not asking you to do anything for me — just let me get my fill of my brother’s hot cock and I’ll leave you alone.”

I was still speechless.

“Deal?” She pressed the issue.

“No.” The bold brevity of my answer probably surprised her, but my incoming explanation was going to surprise her even more.

Because the truth of the matter was that when she yawned and stretched the previous morning, it wasn’t the first time that I had stared longingly at her chest. Although I knew it was wrong to do so, I had thoroughly enjoyed watching my sister mature: her long legs, her developed breasts, her beauty. We never swam in our pool without me thoroughly studying her bikini body. Whenever she emerged from the shower with nothing but a towel on, I briefly pictured what she might look like if she dropped her towel.

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