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Mad Science

After thoughts to her first orgasm

added by Anonymous A year ago TG Body swap

Dahlia sighed as she absently circle her belly with a finger. Her first female orgasm helped confirmed that she was fully and truly a girl. Not a boy trapped inside of a girl, but truly a girl; both physically and mentally. Exhaling as she continues to ride the orgasm as it slowly ebbs, she glances and her older sister and now older brother. Both naked and dozing happily, in each other’s embrace. She wonders if John was suckling on Mariah’s nipples just before they fell asleep.

She quietly gets out of her sister’s bed and glances at Mariah’s sex. It is still open from arousal and crusted over with her fluids. A small pool of John’s cum could be seen on the bed. Thankfully he was wearing a condom when he decided to pop another load. Dahlia knew men needed time to recover after they came; it was rare they could manage two in the space of an hour. Unheard of getting three loads out. Dahlia wondered if it was youth that granted such vigor as she quietly exited the room and made her way to the bathroom.

Dahlia giggled as she closed the door and made her way to the shower. She knew it was unladylike to run about naked; but it felt so liberating to embrace her new body. Her soft sensitive skin tingled as water from the shower head began cascading on her. The water droplets tapping on her budding breasts; the water trickling down and tickling her feminine folds. She moaned in contentment as the water felt cool on her heated sex. Smiling she grabs the wash cloth and starts to clean the smell of the incestuous sex she just engaged in. wiping off the sticky fluids that dried on her thighs; her fluids as she violently sprayed during her orgasm.

A few minutes later she shut off the water and walks out of the shower stall. Grabbing a towel to dry off; Dahlia lifted the lid of the toilet and sat down. Exhaling as she hears the telltale hiss of urine leaving her urethra nestled within her developing vulva. Grabbing toilet paper and using it to pat her folds dry and flushing; Dahlia wraps the towel around her chest and leaves the bathroom to her room. Letting the towel fall as she closes the door to her room, she heads to her dresser to grab a pair of panties and one of her new training bras. She effortlessly put on the panties, pausing to admire how they hugged and cradled her crotch. She then turns to face her mirror as she uses it to help put on her new bra. While her breast were only just starting to bud and did not need any support just yet, the fabric help to lessen the irritation that her sensitive nipples are currently experiencing.

“A fashion sense will be the next thing to work on,” Mariah smiling as she watches through the door her sister put on a pair of light blue polka-dot panties with a pink stripped training bra.
“Relax,” Mariah smirking as she watches Dahlia instinctively react to covering herself in embarrassment; “I already seen you naked just as you seen me naked. We are the same gender.”
“I know,” Dahlia calming down. “I guess our romp“, Dehlia sighing; “got me on edge.”
“How so,” her older sister showing concern as she enters the room and sits on the bed; “are you having second thoughts over we did?”
“First,” Dahlia turning around and joining her older sister; “I’m not questioning the end result. It was inevitable that I have an orgasm to fully synch as a girl. Second; what I’m worried over is the manner in how i got that orgasm and with who.”
“Oh,” Mariah looking concerned; “did you have a fantasy you were envisioning?”
“Not that,” Dahlia looking at her older sister; “its that fact that I just gave oral to my older brother and received Cunnilingus from you. Isn’t that incest,” Dahlia questioning, while adding; “and if not, what You and John did shortly after?”
“Which is why,” Mariah looking at her sister sternly; “mom and dad are to never know. And do not worry about John,” Mariah getting up; “he will shortly know this was a one time event. I know of a few skeletons in his closet that he would dread the day if they came to light,” Mariah smiling as she leaves the room and heads to the bathroom to clean up.

Dahlia wonders what those skeletons could be as she absently grabs a mismatching t-shirt to go with the pastel skirt she blindly grabbed from the dresser.
“Its not as if he is a bundle of sticks,” Dahlia mutters as she understands her sister earlier comment on fashion. The dark green t-shirt is clearly clashing with the pink pastel skirt that ends at the knees. She rips it off and searches her closet for a more fitting top.
“John had no issue in maintaining an erection in front of us naked girls, he isn't gay.” Dahlia taking a yellow blouse off of the hanger and finding it very complimentary with the skirt. “I’m certainly no lesbian,” Dahlia buttoning up the shirt; "I was clearly enjoying the sight of his throbbing rod. But sis’s slick slit was also enticing.”

Her thoughts were interrupted when Mariah knocked on her door and entered. She was carrying three boxes and calmly placed them on Dahlia’s bed. Dahlia saw and recognized two of the boxes and her face screwed up in disgust. They were feminine hygiene products.
“Come on Dahlia,” Mariah sighing; “you know its only a matter of time before you have your first period. Its best you know what to do now so you can be prepared when it finally happens.”
“But what is the third box,” Dahlia noticing the small white container with no lettering or identifying markings.
“In good time,” Mariah smiling; “but first you need a lesson in how to use pads and tampons."

********

A few minutes later, Dahlia nearly had to hold back the urge to retch as she watched her older sister demonstrate the proper way to insert a tampon. Being told that it is best used for those heavy flows, with a pad as a backup.
“I personally only use pads before bed, and tampons during the day.” Mariah explaining as she shows how to secure one to a pair of panties, by inserting the pad into the conveniently placed pockets and folding the wings down to wrap around the underwear. “But to each their own. My cycles vary in length and flow. Yours maybe similar or different,” Mariah getting up; “no lady’s monthly complaint is ever the same.”
“And the third box,” Dahlia watching her sister exit; leaving the three boxes behind.
“Its for when you need relief,” Mariah smiling; “it’s small enough to be discreet, but big enough to fit comfortably and to satisfy that deeply buried itch. Just make sure to replace the batteries regularly.”
Dahlia’s face goes red in embarrassment as she just realizes that it’s a vibrator. ”The boxes are my way of saying welcome to womanhood.” Mariah smiling wryly as she closes the door, leaving her eleven year old sister alone.

“Well shit,” Dahlia pondering what her sister told her. Glancing at the time and stunned to see it is just past one in the afternoon. She wonders what to do for the rest of the day.


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