After a time much longer than needed for evidence gathering, Josh at last extracted his finger and held it still at her opening. The entire thing, knuckle to nail, was sopping wet. “No more dry,” he said. “But let’s confirm.” He held his sopping finger in front of his face, sniffing and tasting it. “Mm, tastes like Ashley.”
I was watching my sister’s snatch while he was messing around with his finger. She looked so sexy after he pulled out. Her outer lips were parted now and her inner lips came into clear view, glistening and pink, shimmering and squirming as though they were inviting more attention. I was so transfixed by her that I almost missed it when he said, “Alex, your turn.”
I felt sudden heat at my face, and I knew I must have turned beet red. “Oh,” I said. “Um, yeah, well, I think you guys already showed that-”
Ashley interrupted me by grabbing my hand and resting it on her pussy, right at the spot I’d been admiring. She moved my hand up and down, and I got the idea. I kept up a steady pace after she took her hand away. I have to admit, I was too excited to worry about whether my finger was outside her lips or inside. I used whatever pressure felt right, and I was nearly in ecstasy when my finger fell out of view for the first time. My cock was aching now even though it wasn’t getting any direct attention. Her body was moving with me, and just when I thought it couldn’t get any sexier, she let out a little whimper of enjoyment.
I slid my finger in her tunnel as far as it would go, amazed and aroused to have any part of my body inside a woman for the first time. While I was in all the way, Josh put a finger back on her clit and flicked it back and forth. She responded immediately with a deep, long moan, and I could feel the inside of her body flex somehow when he did this. I suppose I could have been jealous that Josh was touching her when it was “my turn,” but this was the farthest thing from my mind. My entire focus was on her body, and I was grateful to him for showing me what she liked.
I probably would have stayed like that forever, except at last Josh moved his hand away and said, “Enough evidence, Alex?”
“Um, ok,” I said. I held my hand perfectly still, and soon enough Ashley was motionless too. I gently extracted my finger from within her depths, delighted to find it just as wet as Josh’s had been. I took my first taste of Ashley, and I was hooked.
“Nice and wet, right?” he asked.
“Oh yeah,” I said, sucking her tang off my finger like a lollipop.
“So Ash, it looks like Alex and I are OK with your experimental design. What’s the next step?”
She put her feet back on the floor. “Well, we need to find someone to volunteer to be the control. Someone who has an appreciation for science. Someone who doesn’t mind being naked with me. Someone who doesn’t mind my labia being on his penis.” She turned to Josh. “Whatcha think, know anyone interested?”
I could hear the smile in Josh’s voice as he replied. “I mean, I’m here now. It would keep us from having to look for someone else.” As he spoke he put a hand over her breast.
“You?” she said, in mock surprise. “You want to be the control? But you’re my brother!”
“I meet all your criteria, though. I like being naked with you. Obviously. I like having your pussy lips on my cock. I really like it, actually.” His palm was gently raising and lowering her breast, but she wasn’t outwardly reacting.
“I don’t know, Josh, this is very unorthodox.”
“Tell you what,” he said. “Let’s just call it a trial run today. To test the experimental design, I mean. If it works, then we can look for another control if you want.”
“Well, before we decide for sure, we need to check the variation.”
“The what?”
“The variation. Didn’t you learn anything in college? The control needs to have as little variation as possible from the subject to eliminate any difference in the results attributable to other factors.” She stood up and tore her breast away from Josh’s hand. “Josh, scoot over and sit right next to Alex.”
He moved down the couch a ways, still leaving a gap between us that was as wide as half a person. “Like this?”
“No, no, right next to him.” He slid down further and sat right where she’d been sitting, pressing his hairy leg right up against mine as instructed. “Yeah, that’s it. Now, inspection pose. Both of you.”
If the whole conversation wasn’t bizarre enough, I was momentarily bewildered by this until I remembered what happened in the pool video. Inspection pose. I turned my head and saw Josh holding his shaft out away from his body just like we’d done earlier. I reluctantly did the same. My stiffness had lessened a bit during the science discussion, but it was still thick enough to stand up on its own.
“Come on, move your butts out by the edge of the couch so I can do the inspection.” She knelt down between us in front of the couch, and we scooted forward. There was a cock for each of her hands. She grabbed one in each and softly slid her palm up and down. “Good,” she said. “Pretty similar. Your little helmets are about the same size and shape.” She kept stroking but started squeezing harder. “Feels about right. Alex is furrier, but that’s probably ok.” She was bringing me back up to maximum thickness, and from the corner of my eye the same appeared to be true of Josh.
Her head was pivoting back and forth every couple of strokes, first studying Josh’s meat, then mine. It was intoxicating to have her eyes so close to me, watching every pore and throb. But just as we were getting a nice rhythm, she held us both still and reached her head toward Josh’s lap, sticking out her tongue and licking his shaft stem to tip, all the way up. He moaned softly when she did this, and she kept it up, lapping her tongue around him all along his length. I didn’t really want to watch his crotch, but I couldn’t help it. I was almost positive, but I could scarcely believe, that everything happening to him would be happening to me pretty soon. This realization made my cock flex involuntarily, and she must have felt this because after it happened she squeezed me back even as her mouth was working on Josh.
She let her mouth drop over the tip of Josh’s member, enveloping him in her lips. I could see her tongue moving around inside her mouth by the movement of her cheeks. Josh closed his eyes and just gave in to the sensations, but his breaths were suddenly quicker and louder.
After she pulled off of Josh, she said, “Yeah, nice and firm, nice and warm, nice and thick.” Her head started moving in my direction, and I could hardly bear to wait the few seconds it took for her to lean all the way over to me. Her tongue finally made its first contact with my shaft, and at last I knew what it felt like for someone to taste me there. It was beyond every expectation I could have had. The warm wetness of her tongue glided up my shaft, then circled around it. I had been watching her intently, but then my eyes closed by themselves and everything else in the world disappeared except her tongue.
I could feel precum oozing out of me, but it barely registered. A moment later, just as I knew she would, Ashley lowered her head over my cock, and I was inside a woman’s mouth for the first time. Not just any woman: my sister, who I’d known my whole life and who I never knew would want this as much as I did. She ran her lips along my shaft and I felt her tongue probing my head, slathering me with her saliva. I knew she was tasting me. That this was happening while I was literally squeezed up against my brother’s naked leg made it all the more unbelievable.
It was over far too soon. Her lips plopped off my head and I missed her immediately. “Nice and firm too, same amount of warmness, plenty thick. The variation seems to be low enough.” To Josh, she said, “OK, scoot back toward your end of the couch, but not all the way.” Josh’s leg separated from mine as he slid away from me.
report She reached down and grabbed her black Y-Mart shirt from the floor. It was the shirt that until now symbolized for me only crass commercialism, paying workers as little as they could get away with. Now she knelt directly in front of Josh and used that shirt to pat his cock dry. She held him with one hand and caressed the shirt along the full length of his shaft, and his balls to boot. I watched the embroidered Y appear and disappear as she worked at him, soaking up every trace of dampness. Then she threw the shirt back on the floor and climbed up on top of him.
His body was in an awkward pose. With his butt out at the edge of the couch cushion, his back was at a weird angle and his head only came about halfway up the back of the couch. But he didn’t complain. Ashley straddled him with her knees on the outside of his hips, then gently lowered herself until she made contact. She just held still at first. “I feel your penis on me,” she said. “Do you feel my labia?”
“Yeah,” he said. “I love your labia, Ash. You know that, right?”
Meanwhile, I was engrossed. I turned so my back was mostly against the armrest and I could watch them with a full frontal view. They were so close to me that I could have reached out and touched them, but I didn’t. When I looked at my crotch I saw my right hand playing with myself, even though I didn’t remember putting it there. I could feel droplets of precum between my fingers.
Almost imperceptibly, she started to move back and forth, sliding herself along his shaft. He moaned when she started moving, and he kept this up at regular intervals. “First I’m varying the amplitude,” she said. “I started on just a small part of your penis, and now I’m moving back and forth further and further every time. Can you feel the difference?”
“God yes. It feels incredible.”
I could tell that her strokes were getting longer, but she was still going so slowly. “I’m deliberately running my labia across the tip of your penis so I can pick up your precum. I can already feel slickness. Can you feel that?”
“Oh yeah.”
He leaned forward and grabbed her nipple in his mouth, putting his elbows behind him for support. This caused her to chirp her approval, but she kept moving on top of him exactly as before.
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