(Second version with Green-Blue eyes)
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One night, after Twilight had made sure that Spike had gone to bed, she made her way out of her castle in the night, walking away to a nearby park where she could have some time alone and study the night sky. She walked through the almost empty streets of Ponyville, lit up by the many lamposts around the dirt road as Twilight passed by, smiling at the few scarce ponies still outside in the town at night.
But unbeknownst to her, she was being followed by NightStormy, who was flying high above in the clouds to remain out of sight. When she saw Twilight get into a street completely deserted by other ponies, she dove down into a dark alley and hid herself, before making a rukus in the end of the alley. Twilight got curious and slightly scared before going over to investigate what had happened.
As Twilight walked close to the dead-end alley, she suddenly was held tightly from behind, as smooth latex hooves wrapped around her horn and her body, holding her in place as she struggled. The hoof around the horn quickly began to cover it in a very sticky and dark goo, rendering the alicorn's magic completely useless. Twilight fought and struggled to try and escape with her magic, but without it she wasnt able to break out of the strong hold on her body.
After demaning to know who it was, Twilight was shoked when she was turned around and saw her friend Stormy, covered in the Symbiote she had taken off her months ago, and tried reasoning with her to let her go. But NightStormy didn't release her, and instead began to rub her back, beginning to spread some goo on it as Twilight struggled and began to yell, forcing NightStormy to silence her with a deep, passionate kiss.
The black goo began to spread onto Twilight's stomach as she tried flapping her wings to fly away, before NightStormy grinned and covered the wings in goo, making them difficult to even flap, and much less get airbone. The purple alicorn futilely kept struggling in the latex alicorn's strong hold, unable to get away as the goo crept upwards onto her chest , and downwards into her flanks.
Twilight was unable to yell, as NightStormy kissed her deeply, blushing fiercely as the goo crept downwards into her crotch and covered her muzzle, only able to make muffled moans as she squirmed in the tight hug. The goo kept spreading on her body as she was rubbed all over, as Twilight thought that she had to escape, but the goo slowly invading her body felt too good, but she still tried to resist as the goo spread onto all of her hooves and her tail.
NightStormy seductively wrapped her hoof around Twilight's head, making the goo begin to spread onto her mane as the one on her body crept up on her neck. The mares were locked in the kiss as Twilight kept trying to struggle, as the goo slowly covered her eyes and ears, completely covering her head. After a moment, NightStormy broke the kiss, happily telling Twilight how she would be hers soon. Stormy couldn't be happier to have her friend again, while Nightmare was excited to have Twilight as well, making the latex mare smirk as her new daughter was almost ready.
Twilight couldn't fight back with much strenght at this point, her whole body covered in goo as it began to get tight around her, then NightStormy cupper her hooves around Twilight's ears, making some goo begin to pour down inside of them, and started to cover Twilight's brain, making her completely give in and stop her struggle. Then with a smirk, NightStormy touched her horn to Twilight's, using her magic to make the goo begin to push into her body, starting to merge her cells with the goo. Twilight's body rapidly began to change on a cellular level, and began to experience a deep feeling of pleasure, and drove her completely to the edge, making her begin to cum pure liquid latex along with her own cum.
Twilight's mind began to feel empty as her whole body changed and turned into solid latex. Her lavender coat began to turn into a shiny and smooth black latex, her three-toned mane and tail began to turn into different hues of blue, her irises began to darken in color and her scleras became a greenish-blue. Once her whole body had turned, she couldn't do anything but stand in place as she struggled to remember, and was only able to look at NightStormy's eyes as she smiled at her.
NightStormy hugged her close, as a motherly feeling took over her, embracing her new child as she reshaped her mind. Twilight's memories were slowly corrupted and changed into different ones, and could only remember as Nightmare as her own mother, her fear for the symbiote was replaced by love and loyalty and her old self was no more, and Moonlight Sparkle the Night Princess and Daughter of Nightmare Moon was born, as the pink star of her cutie mark turned blue, signifying that her new life was ready to begin.
Moonlight was motherly kissed on the forehead by NightStormy, and the two of them began to walk away to bring the new daughter home, to let her meet all of her new brothers and sisters of the Nightmare Family, and make more plans for the ponies that were soon to join them, a new part of the growing symbiote family.
Art made by
In collaboration with my friend
Creator and owner of Nightnare Symbiote
Twilight Sparke and all related charaters belongs to Louren Faust an/or