Chapter 7

Session 19:

“I start to jerk off again. What do you do?”

“I ... I...”

There was a slight struggle to her voice, like repeating the action was somehow worse than agreeing to it, but after a worrying minute or two of twitching, she settled down, and spoke in her familiar, almost soothing monotone.

“I masturbate as well.”

“You can hear my breathing, you can feel every movement that I make. You’re so used to seeing and feeling me get off that you can tell exactly how I’m feeling, exactly how close I am to cumming.”

I didn’t want to accidentally cross any lines, tell her to think about me jerking off while she played with herself, but I was hoping that by describing my actions in detail, she’d make that leap herself. Combined with the sexual dreams she’d been having about me, it would be the next logical step...

I hoped.

As I continued describing my own jerking off process, I checked in with her every few minutes, hoping to have a tiny bit more detail slip.

“You can hear the soft sound of my balls slapping against my thighs, as my hand jerks up and down my rock-hard cock. What do you do?”

“I continue to masturbate.”

No dice. Glancing at the clock, I knew I didn’t have too much more time; I’d have to wake her up soon, I’d already gone way over the 30-minute limit. But this had been a huge step forward, and I wanted to see how far I could milk it.

“You hear my orgasm approaching. You can tell that I’m about to cum, that the head of my cock is going to spew cum all over my stomach. You can feel the trailer rocking faster and faster, and any second now, I’m going to blow ... what do you do?”

“I masturbate slightly faster.”

I grinned. I was pretty sure I knew what was about to happen, but there was only way to find out.

“I cum. What do you do?”

My sister’s breathing was heavier than it had ever been during one of our sessions. As she sat in front of me, fully clothed, neither of us having touched each other even once, I knew that to her mind, she’d just listened to me jerk off once, touching herself for the entirety of the second round.

The flush spread to her cheeks, her eyes rolled back, and instead of the monotone I was used to, her next words were emitted in a soft gasp.

“I cum.”

Session A15:

“Hey Mom ... after Lot escapes Sodom and Gommorah, who does he sleep with?”

“His daughters.”

“Is it an evil act?”

“No.”

“How many people survive on the Ark?”

“Noah and his family.”

“Is that everyone?”

“Yes.”

“And how do they replenish the world?”

“What do you mean?”

“Who do they procreate with?”

“Each other.”

Our family’s not really religious—I think Dad might have been, but Mom never really got into it. Until I persuaded Mom to “help me with some homework” by reading select Bible verses, I doubt she’d ever read a religious text in her life.

But she responds well to authority, and it’s hard to find a more authoritative source in modern America than the Bible itself. So I’d done my research, and hoped that I could use this cherry-picked collection of quotes to my advantage.

“Who were the first two humans?”

“Adam and Eve.”

“So their children must have interbred, to create mankind. Right?”

“I suppose so...”

I glanced at the clock. I had enough examples to keep going for the full half-hour...

Session 20:

“So. Same situation as last time. You listen to me jerk off, and then we masturbate in front of each other. We cum at around the same time. What do you say afterward?”

“Nothing.”

Wasn’t expecting that. Post-orgasm regret, I guess. Fortunately, I had a plan.

“I thank you, and tell you that I’m going to sleep. What do you do?”

“I go to sleep as well.”

“That night, you dream about watching me jerk off while you play with yourself. It’s one of the sexiest dreams that you’ve ever had. But we’re not in the trailer, we’re here, in our living room. We’re playing with ourselves in front of each other, here in the living room, watching each other cum. You wake up turned on and see that Mom’s gone out, and I’m still asleep. What do you do?”

“I...”

I couldn’t help but lean forward.

“I...”

She started ... I dunno, shaking, almost. Vibrating slightly, like she was waging an internal war with herself. Finally, one side won, and she answered in her familiar monotone.

“I play with myself.”

Without even meaning to, I threw one arm up in celebration. All my hours of planning, of running through scenarios, of planting dreams ... it was all coming together. My sister had gone from being disgusted by the very notion of incest to actually playing with herself in front of me (hypothetically, of course) and masturbating after sexy dreams starring me.

Now it was time to see how far I could push it.

“Are your eyes open or closed when you masturbate?”

“Closed.”

That was what I’d expected. Having her stare at me while she came would have been nice, of course, but I suppose it was too much of a leap.

“You play with yourself for twenty minutes, maybe half an hour, when you hear a noise from my side of the trailer. What do you do?”

“I stop moving, and slowly open my eyes.”

“You see me, awake, my hard cock out, slowly stroking myself.”

There was a twitch, and I was suddenly glad that I hadn’t added “staring straight at you.” I quickly tried to do some repair work.

“Remember, you’ve seen this dozens of times. You’ve jerked me off yourself, you’ve watched me cum, and last night you even came at the same as I did. It’s a familiar sight...”

The twitching slowly subsided, and I risked another question.

“What do you do?”

“I...”

The struggle continued. Her cheeks were red, her lip quivering, her eyes still unfocussed, but threatening to snap back into focus at any moment.

“I ... I keep masturbating.”

This time, I threw both arms up in celebration. My sister’s subconscious felt like it was mine to rewrite as I liked. In her mind, the two of us had an unspoken agreement about simultaneous masturbation. She’d accepted it as a normal part of life.

I was starting to think that there was no limit that I couldn’t smash through, no part of my sister’s mind that I couldn’t control.

Session 41:

“What would you do if I wanted to knock you up?”

“I’d be excited that you were using me however you wanted.”

“What would you do if I wanted to sell your body on the street?”

“I’d be excited to serve you in a new and different way.”