Maybe you run with it?

Maybe you... run with it?

"Oh...umm." You try to gather yourself. Here it is. Your chance to make your deepest, darkest fantasy a reality. You've never wanted anyone in your life like you've wanted Shannon right now, but you can't REALLY act on these perverted feelings... can you?

"You know that nylon and garter set I have?" You try to keep your tone light. You are already getting wet, but you **** your hand to stay at your side. "I'm wearing that.... and those 4 inch heels mom got me for my birthday last year." You swallow, waiting to see where Shannon takes this.

"Oh... yeah... I remember those. Haha." Shannon trailed off after the most **** laugh you had ever heard. Also, was it your imagination, or did Shannon sound a little out of breath?

So was your sister a leg gal? Interesting...

"Mhmm." You murmur into your phone, unable to stop your hand this time as it slowly makes its way to the top of you skirt. "I always thought those nylons and heels made my legs look pretty good."

"Oh. Yeah, I guess they do kinda sorta..." Was the response. You were starting to breath heavier yourself.

"Hmm... one sec Shan." You put your sister on hold.

Acting quickly, you stand up and walk to your full length mirror. You bend forward a little, centering the selfie on your thighs, while still capturing your heels in all their glory. You also make sure to include a little cleavage in the shot, too. Satisfied, you send it to Shannon, then punch resume call on your phone.

"See the heels, sweetie? They're super sexy... don't you think?" You practically whisper into the phone.

"Y-yeah they are. Really, really sexy. Your legs are amazing sis, especially in heels!" The last part was punctuated by what could only be muffled groan. A groan of pleasure.

"So you think I'm sexy in heels, huh?

"W-well yeah! You know you're gorgeous, right? Haha." Another **** laugh, and she was DEFINITELY sounding out of breath now.

"Your turn, sis I want to know what YOU are wearing." Your hand is now down the front of your skirt and your massaging your clit through the panties. You grit your teeth, trying not to groan yourself.

"Oh, uhh I actually was working out this morning, K. So I'm still in my sports bra and leggings."

"Fair is fair, Shan, you should send me a pic too."

"Oh. uhh, sure, I can do that."

You don't have to wait long. You feel your heart thump in your chest as you see your sister Shannon in her workout outfit, form fitting leggings and a sexy neon pink sports bra. Shannon is clearly posing for the camera too. Just like your selfie she seems to be leaning forward a tad, almost inviting you to stare at her tits.

"Oh fuck me..." You rasp, hoping the phone is far enough away from your head that Shannon doesn't hear. "Shan, that looks really hot."

"Oh I know it, K. You know the gym I go to, out on fifth? It's women only, but I still get tons of looks. In yoga, on the machines..." Shannon pauses for a moment. "...in the showers..."

"Oh yeah?" You reply. Its your turn to feel out of breath.

You're both silent for a moment, you've started to touch yourself, you can't help it. This is it, you decided to go for broke.

"Do you need to get off as bad as I do, Shannon?"

"Fuck yes K, I can't help it, I'm already touching myself..." Shannon groans heavily, and you just about lose it right then and there.

"Me too Shan, You get me so fucking hot!!"

"Fuck Kristen, if you were here right now, the things I would do to that hot fucking body of yours!!"

"Oh yeah baby, tell me what you would do to me!" Your voice has become a harsh whisper, the hand massaging your clit begins to pick up the pace. "I'm all yours."

"I want to just.... hrrrgh... just....just want to suck on those massive tits of yours, and....and... oh FUCK" Shannon is talking faster now, her excitement becoming obvious.

"What else, hmm? I'm gonna make you feel soooo good, I promise." You're getting into it too now, your hand moving faster. "Come on you horny little bitch, tell your big sis what you want!!"

"Ohhhhhh....fuck Krissy, you're getting me really hot right now! I..I want....I want your clit in my fucking mouth Kristennnnn!!!!"She holds on your name with a moan, and you can hear how wet she is, the hard schick schick sound coming through the phone's receiver.

"Its ready for you baby. My pussy is so wet for you. Now are you going to mouth fuck me like a good little sister should??" You rub faster, your mind reeling with pleasure as you imagine Shannon going down on you.

"Oh FUCK yes Kristen... OH FUCK YES I want to fuck you with my mouth! I want those hot thighs wrapped around my head!!"

"You want to get me off with your tongue, Shannon?"

"FUCK YES! UNNGH!"

"So you finger yourself thinking of my clit in your mouth? Huh?"

"All the fucking time, baby!! It always gets me off when I need it REAL bad!"

"I watch girl / girl sister porn ALL the time, Shannon. I picture you and me, fucking like a couple of wild animals!!!"

"Ohhhhhhhhhhh fuck... OH FUCK!"

"I cum every night thinking of you eating me out!!"

"Oh gawd. OH GAWD OH GAWD I need to cum I NEED TO CUMMMM! Please! Please let your little sister cum!" Shannon gasps for breath, her voice almost a sob at this point she is so **** with need.

I have her right where I want her.

"THEN CUM BABY, CUM FOR YOUR BIG SIS!!"

"Oh...OH....OH...FUCK YES, FUCK YES, OHHHHHHHHHHHHHHH FUUUUUUUUCK!!" Shannon shrieks, and theres a loud thump as she drops her phone.

You barely have time to process it as your own orgasm hits you hard, your cum squirting out over your sheets, Shannon's orgasmic moans echoing in your head as you have the best orgasm of your life.