******

This time, they hold their ground as I step closer. The room feels suddenly quieter, charged in a way it hadn't been before. I circle them slowly, my eyes taking in every detail, every curve, every subtle nuance—searching for the secret they're so sure I'll miss.

They stand still, watching me watch them, confidence written plainly on Stephanie's face, while Stacy's expression betrays just the faintest hint of nervous anticipation.

I run my hands along their stomachs first, but both feel the same: smooth and flat. I walk behind them and check out their backs, but still find no discernible difference—not even a freckle or mole on either one.

I cop a feel of each ass cheek, making them both jump as I do it. Walking back to the front, I see they are both clean-shaven. I heft each of their breasts, and still I can't figure out what is different. Their legs look the same, their toes—everything. Even their labia are the same shape. The only difference I can find in either one is the switches I'd made in Shanna, and that doesn't count.

I examine them once more, but with the same result. Finally, defeated, I give up.

"I can't tell. You win," I say.

I wonder if they notice the incongruity of what I said. Here I was, easily able to tell the two of them apart thanks to the switches I'd made in Stephanie, yet I'd just told them that I couldn't find any physical differences between them. How, then, could I tell them apart?

It may have been the alcohol affecting there thinking, but I wasn't about to complain when they didn't call me on it.

Stacy hands me my beer, and I down it before removing my clothes.

"You've been working out!"

Stephanie exclaims as I disrobe, and I grin at her. Both women give a small sigh when my manhood comes out, neither limp nor hard, but somewhere in between.

"So, what is it?" I want to know.

"What is the difference between you both?"

Both women burst out laughing. It takes a moment before Stacy can catch her breath enough to tell me.

"There isn't one. I planted that idea in you to play a trick on you. I even got Linda in on it. That's why she talked to you today."

She starts laughing again, and I feel like a fool. I had been duped. But I can't be too angry, though, because I had cheated at their game too. I just hope they never ask me how I can tell them apart.

"Oh, don't look so upset," Stephanie said. "I'll still give you a kiss."

She places her hands on my shoulders, stands on her toes, and this time the kiss she gives me is a real one. Her tongue slides between my lips as her arms wind around my neck, and her hard nipples press into my chest. I eagerly put my arms around her slender waist as I meet her tongue with my own. I had already been semi-stiff from having them naked before me, but now, with one of them pressed against me, I'm poking her in the stomach.

"Hey, no fair," Stacy complains when her sister pulls away from me. "He lost! He should be the one kissing us."

Not one to argue with such a genuinely good idea, I step over to her, wrap my right arm around her waist, and pull her to me. She squeals as I place my hand behind her head and pull her lips to mine. She hungrily devours my lips and tongue, while her hands drop down to my naked ass, giving my cheeks a firm squeeze.

Stacy backs me up to the couch, and when my heels strike it, I sit down heavily. She grins as she straddles my knees, grabs my cheeks, and pulls my face back into the kiss.

"It's my turn to have him tonight," Stephanie complains. "You had him last."

Stacy breaks off the kiss long enough to look her sister in the eye.

"It's not my fault you didn't take the opportunity when you stayed at his place."

Part of me feels like a piece of meat. Another part doesn't give a f*ck.

"You know why I didn't," Stephanie shoots back, and I'm now certain that she'd been on the rag. Not that I'm averse to the idea of having sex with a woman during her time of the month, but I enjoy cunnilingus, and I'm averse to earning my red wings!

Stacy ignores her, though, as she turns back to me, kissing me thoroughly. Stephanie plops down next to us, folding her arms underneath her ample breasts, and pouts.

Wondering what I might get away with, I place my hand on Stephanie's thigh, and she doesn't remove it. I slowly slide my hand up, but before I reach her crotch, she grabs my hand and places it back further down. Stacy is really starting to moan into our kiss, but I assume it's to make her sister jealous, as I'm not doing anything more than kissing her.

I decide to try a different tact with Stephanie and grab her right arm. Stacy is still over my legs, and my cock is standing up between us. Pulling Stephanie's hand to my stiff member, she fights me a bit before succumbing and wrapping her slender fingers around its length. I start to move her hand up and down the length, and after a few strokes, I let go. Her hand continues to jack me off, and I place my hand back on her thigh. A few seconds later, Stephanie starts to moan as my fingers rub her clit. I feel no evidence of a telltale string.

Stacy pulls away from me when her sister moans and sees what was happening. She glares at the hand on my rod, but before she can say anything, I lean forward and suck one of her nipples between my teeth. I nibble lightly on the stiffened red flesh, and Stacy moans for real this time. Then I brought my free hand to her crotch and easily slip in my middle two fingers into her already wet snatch..

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