You succeed... mostly
From Torg Adventure
You were already dripping precum when Sam hungrily sacrificed her virginity to your pork totem, and you're sure there's been some fluid exchange after you entered her pussy as well. It might not be such a bad idea to take the gentleman's route for now. Well, at least to make it look like you are taking that route.
As Sam's pussy squeezes you once again as another orgasm hits her body, you slide your cock out of her, which is hampered by the tendency of her pussy to want stay wrapped around your tool. A ropey line of your cum hangs from the tip of your penis to Sam's wet pussy. You move your cock away with a quick jerk, causing the strand to stop back against and into Sam's pussy, which Sam thankfully does not notice. In fact, the first tangible proof of your cum that she gets is the fiercely hot load that suddenly splashes onto her stomach, causing her eyes to fly open in shock. Seeing you ejaculating onto her stomach, and feeling the hot sperm directly on her skin is apparently more than enough to make her cum again.
Sam holds out a quaking palm to intercept some of your seed in her hand. "Finally, Max. We got you to finish finally!" She pauses to catch her breath as the last of her orgasm fades away. "And you pulled out, just like I asked!" She sighs, feeling your cum in her hand idly. "You did actually fuck me, Max, even though it was incest" She looks at you nervously, her fingers still playing with your cum. "Well, to be fair, I'm the one who pushed myself onto you... but it's okay, right, because you didn't actually cum inside me?"
"Yeah, we're fine, Sam," you tell her gently. "It was wonderful."
She smiles nervously up at you. "It was, even if it got a little... out of hand. I swear, Max, I never intended for it to go that far, but I guess I was a little more repressed than I thought." She seems to be misremembering her role in this a little, which you're fine with. You were the one trying to escalate it towards actual sex the entire time, from it's humble origins as a hand-job.
"And I definitely wasn't expecting to lose my virginity," she says softly, looking down at her body. "And not to my brother. I was kind of trying to avoid that. No offense, Max, of course..." She looks back at you apologetically.
"None taken," you respond with a smile.
"But... since you didn't actually cum in me, that doesn't really count as full sex, does it?" She looks for confirmation from you. "I mean, sure, I'm no longer a virgin in the most literal sense of the word, but doesn't sex really imply an entire process? If you don't see it through until the end, with the man actually ejaculating inside the woman, it shouldn't really count then, should it?" She has a hopeful look on her face.
You shrug. "That makes sense to me." It doesn't, really, but it's important to Sam apparently. And you do kind of understand the logic she's trying to work with. "It's like if you're doing one of your forms at a competition, but you leave out the very last element. You don't get points for it."
"Exactly!" Sam beams, looking relieved. "So since we didn't fulfill all the requirements of sex by virtue of you pulling out, we technically didn't have sex, and since we didn't actually have sex, it wasn't incest. I'm still technically a virgin in that case, even if I no longer have a hymen."
The fact that Sam can rationalize to herself that the two of you didn't just actually have sex blows your mind, but your sister obviously finds it very important to hold onto the notion that she's not actually committing incest. At the same time, she's clearly enjoyed everything that the two of you have done so far. She hasn't kicked you out of bed, or run screaming from the room. You get the impression that she would even be open to more "non-sex" with you. The downside of this was that getting her pregnant with the trace amount of sperm that leaked out of your cock prior to actually cumming didn't seem that reliable a method of knocking your sister up. And you badly wanted to blast a load inside of her pussy; it just wasn't the same to pull out and cum outside, as nice as her skin looked with your cum on it.
More not-sex with Sam, more talk, or something else?
