There's certainly something, at least

Even as Emma tried her best to act normally during her breakfast, it didn't take long for her sister to start noticing that something was slightly off today. They were usually both pretty talkative, but this morning the older of them was clearly more distant, and having some serious troubles on keeping her focus even on such a simple task as finishing her sandwich.

"Hey, what's wrong?" Hannah asked her eventually, with a trace of suspicion to her curious voice, as she failed a second time to get eye contact with her older sister. It didn't seem like she'd noticed something odd about Emma's physique at least, but certainly was able to see there was something troubling her mind.

Then her cute face cracked up in an exhilarated little smile, while Emma could feel her own cheeks blushing red with growing embarrassment. "Don't tell me... you've got a boyfriend over tonight?"

"What...? No!" Emma was quick to deny, but was perhaps a little too hasty, as it only seemed to fuel her little sister's imagination. And perhaps it would have been better to lie about it, and let the girl believe in something like that, rather than just try and cover the actual truth in another way. It was too late to make amends though, and it was clear to see that she'd managed to pick her sister's curiosity.

"Oh, come on!" The younger woman leaned closer across the table, which allowed her sister another glimpse down the front of her top, and caused her itching hardon to swell at the sight of the top of her firm young breasts. She didn't seem to notice the stare down her cleavage though, and simply mistook it for another attempt at avoiding eye contact. "You've gotta tell me now...!"

"Well, it's not..." Emma shook her head as she started objecting, but found herself captivated by the girl's perky body. It wasn't right to think about her own sister in a sexual way, either way she thought about it, but still it seemed impossible to keep it out of her mind entirely. "It's just... not..."

"Well, it's definitively something...!" Hannah insisted, while suddenly wrinkling her nose a little, and then started smiling even wider as she continued. "And you smell even more than our cousin Timmy's underwear, after catching you nearly naked in the bathroom!"

The reason for this rather strange metaphor had a long story behind it, but in short it was still the closest thing to smelling a man's fresh semen that Hannah ever had. Their cousin had been caught spying on both of them on several occasions, and right after a certain incident in the bathroom they'd ended up sneaking a peek in return while the boy was jerking off in the guest room.

But that's a completely different story, even if it did have an impact on Emma's current mood, as it was just enough to **** a laugh out of her in the middle of this most awkward situation. And once she'd noticed, it was difficult to ignore the sweet, salty smell of her own arousal, which somehow triggered her excitement even further. Quite obviously, her cock was reacting to the female in front of her, while at the same time her still female senses reacted to the scent of that masculine shaft.

It was a downward spiral, which caused her mind to reel with shifting emotions, which also seemed to reach her little sister to some extent, though it mostly showed in the way she kept sniffing the air with that curious smile still stuck on her pretty little face.

"Look..." Emma tried once more to reject her sister's suspicions, but was again reminded of her wicked fantasy during the same morning. The image of Hannah's lips wrapped tight around the shaft of her pulsing member came back to her with sudden clarity, and nearly caused her to moan out loud at the throbbing sensation that reached her nerve center from the bottom of her altered crotch. "Oh..."

"What's wrong?" Hannah met her eyes with a hint of worry this time around, while Emma's mind was momentarily distraught by the feeling of sticky precum smearing the insides of her silky panties. It felt both nasty and strangely arousing at the same time, which certainly didn't help her at all in trying to recover from the pressing situation...