Sexy Nightmare

by Flameboy

Rating: teen
Tags: Twilight Sparkle, Anthro, Princess Luna, My Little Pony: Friendship is Magic, Nightmare Moon, Original Character, Mystery, Fetish, Spike, Comedy, Random
Length: 2924

What the story says.

Before reading this, please know that this is not a dark story where Nightmare moon turns Twilight evil.

Story Bio: A part of Luna, which you can pretty much guess that would be Nightmare Moon, wants to look sexy once more. Since she is now reformed, she paid a visit to one of the Elements of Harmony. Spike will be there to make sure to save Twilight if things go out of hand. The only way to get rid of a demon after all, is Holy Water. And speaking of Twilight, Nightmare Moon sees Twilight as the sexiest and possesses her with a deal. Besides, in my stories, Twilight Sparkle is IMMUNE to corruption because of her werepony side. Sure her body may be corrupted into the skin of the demon who long ago wanted to bring eternal night 110 years ago, but something is different about Nightmare Moon. Why, in all of Equestria, is she acting so mysteriously... Nice? Will Spike make sure to save Twilight from the possession of the Nightmare, or will he have to do something he won't be able to forgive himself?

Published 2018-11-07 05:30:01 UTC
Last updated 2018-12-12 06:59:04 UTC

Chapter 1

"Dear Twilight Sparkle,

I need to call in a favor from you. You see.. um.. my other side wants to feel.. sexy once more. I was thinking that.. well, could YOU be her host for this week? I know it's weird knowing that why would you are going to play host to the demon that once tried to cast Eternal Night, but can you do this for a friend of yours, please? You know very well that Nightmare Moon is reformed now, right? After all, you do owe me this for helping me have fun on that one Nightmare Night. Also, you don't have to worry. I talked to Nightmare and she promised that she won't cast Eternal Night tonight. Besides, if she does get out of line, make sure to tell Spike to splash you with Holy Water. It's the only thing to repel a demon. And to capture it, you will need an enchanted jar that will capture the Nightmare Influence.

But, there are some things that Moon requested. You will have to wear something sexy to please her. Otherwise, like I mentioned before, she will go on a rampage. And since you have a werepony form, you will have to retort to eating meat at night. Don't worry about that either, I will bring some chicken. That's her favorite. She will possess you at 8:00 tonight. So, while I get these items, you will have to get these items that she wants for tonight. 1, you need thigh highs. Tonight, she requires ice blue colored socks. Next, she requires an ice blue colored bra, and ice blue colored panties. She will also want ice blue colored lip balm, white cherry, in fact. Oh, and don't forget to mouth freshener, especially orange, another favorite of hers. Finally, she wants to have a smooth body with smoothing skin and hair. So, you may want to go to a spa. And while you're at the spa, get yourself a hooficure while you're at it.

Now Twilight, if Spike is with you, read this to him.

Now Spike, she likes to play fun games like what you call "Ogres and Oubliettes." She also wants to snuggle with a male creature. Just let her snuggle, 'cuz she only kisses, and hugs, which, are not a threat to anypony. If she questions you for what else to do for fun, just mention some stuff, and she will enjoy it, probably. I will pick her up at 8:10 AM, tomorrow. I have faith that you will do what she wishes and what you wish, young dragon.

Sincerely, Luna

P.S., You be careful too, Twilight," Twilight said what Luna wrote. Then, she rolls it up with her magic and looks down to her right at her little brother, Spike. "OK, you heard the princess, Spike, let's get ready. But first, what time is it?" She asked him while looking him as he finally sat on Twilight's back.

Spike looks to his right and up at the clock. "It's 4:00 PM, Twilight," he said with his right finger up.

"OK then, let's go!" Twilight said in confidence and flapped her wings and took flight as she flew out the window. Then, Twilight and Spike were on their way to the Carousal Boutique.

Chapter 3: Spa

Twilight Sparkle and Spike were in the spa, where they were tended to by Aloe and Lotus Bloom, the spa waitresses. While Spike was getting his claws shiny, Twilight was in a bubble bath as Aloe was using her hooves to move the shampoo around in Twilight's hair. After Aloe was done with Twilight's mane, she showered it and let Twilight relax in the bubble bath for for five minutes. It was after all, 6:00 pm.
So, Twilight took a little nap while she waited as her back was on the wall.

Then, it turned 6:05 and Aloe awoken the princess. After opening her eyes, Twilight raised her hooves up into the air and placed her right hoof over her mouth and stretched. Then, she placed both her hooves on to the floor and pulled herself out. She saw Spike getting nice and soft back massages from Lotus. She chuckled and then went over to the mane drying area. Aloe was drying her and it turned 6:11.

I'm pretty much thinking that's how long it takes to dry hair. -Flameboy

Then, after her hair was dried, Twilight went over to where Spike was. And then she sees that he was still getting the same back massage.
So, after giggling, Twilight went over and joined her little brother as she was now getting her 6 minute back massage. Spike saw Twilight and pushed himself up from what seems like his 12 minute back massage. Lotus was tired but she was glad to do something nice for the dragon that lives in Ponyville. Now, he sits in a chair, eating a lot of turquoise gems out of a light blue bowl while his sister gets her back massage. It took a less amount of time but Twilight was done with her massage and looked towards her left at a clock. It was now 6:19.

Ha! Classic Rey Mysterio reference. -Flameboy

Then, the final thing was an 11 minute hoof shining, and Twilight got it. After her eleven minutes of hoof shining, it was now 6:30 and it was time to go. Twilight and Spike said their thanks and goodbyes and headed off to the Carousal Boutique.

Chapter 4: 8:00 Part 1

8:00 p.m.

Luna landed in front of the Castle of Friendship's doors. She uses her left hoof and knocks on the door twice. The door opened and Twilight and appeared. Spike appeared next behind Twilight's right side. She lets Luna in, and lets her see her attire that the Princess of the Night requested. "My Twilight, you look astounding," Luna said nicely.

"Thanks," Twilight said back.

"Now, are you ready for tonight?"

"Yes."

"Okay then, here we go," Luna said and then she pointed her horn at Twilight's and started glowing black. Then, she touched Twilight's horn and was sinking inside the Princess of Friendship's horn.

Twilight opened her right eye, and then her left. She blinked once. "That's it?"

"Yes. Now, at 8:10, you will transform. So here, take a bite out of this drumstick," Luna said as she levitated a chicken drumstick up in front of Twilight's face. Twilight took a little bite and started chewing, and then swallowed what she ate. "Finally, you must wear the same collar and helmet I once wore as Nightmare," Luna said. While Luna said that, she poofed up her collar and then her helmet on to Twilight at the same time. "Now, you must prepare for the transformation. Bye for now, Twilight. And good luck!" she said as she started flying away. After Luna was into the night air, Twilight and Spike look at each other, and then the door closes with the same red aura that Twilight always uses to perform magic.

Chapter 5: 8:00 Part 2: Bedroom

It was 8:05 and Twilight was laying on her back on top of the bed mattress. Spike was standing on her left. He was sitting on a circular footstool.

"Are you sure this is a good idea, Twilight?" Spike asked. He cares for his big sister like she cares for him, after all. "I don't want you to blame yourself if anything goes wrong tonight," he reassures his big sister.

"Spike, it's going to be OK, you just need to trust me," Twilight told Spike with a wave from her left hoof.

"I do trust you, Twilight. Always," he replied to her in a nice manner.

"Good," Twilight responded.

"It's just that don't trust you on this, though," Spike said in a defiant tone with his right eyebrow up.

"Oh come on, Spike. You know I need to do this for Luna. I need to repay her the favor of being the host for her demon form after I helped her with her first Nightmare Night," Twilight reminded Spike. Twilight told him that while she was pointing her head towards him, and also keeping her body straight.

"But that's just it. You're being Nightmare Moon's host. As in, THE Nightmare Moon. The same one who fought Celestia, her own sister, to the death. And you told me that when you were in the past you saw how Celestia banished her own sister to the moon for at least 110 years. What would happen if Nightmare lied to Luna and decided to remain in control of your body and use your magic to do evil things? I think I know the answer. Banishment, for another 110 years, only this time, with you being stuck on the moon for that long," Spike said.

Twilight saw tears forming in his eyes. "Please Spike, I need you to know that will never happen as long as you have faith in me as well as trust in me-," Twilight said until she was interrupted by a beeping noise. Then, she pointed her head forward at a blue clock.

It was 8:10, and Twilight saw her feet being encompassed by a white light. Then the white moved from her toes all the way to her head. It wasn't painful, but ticklish. "Ooh, ha ha, that tickles!" Twilight said in excitement. After that was over, Twilight looked at her chest and sees that she had breasts. Next, Twilight looked at her fingers and then her feet, knowing that she now has toes. Then, she felt an invisible breeze as her hair and tail turn starry blue.

Then, Twilight suddenly felt a huge headache. As she still had her hands on her face cheeks, Twilight saw a black aura on the tip of her horn. Then, the aura started to disappear into Twilight's horn and cause a bigger headache for Twilight and went all the way down to her forehead. And boy, for Twilight, she was definitely in a lot of pain now.

Spike stood watch as he saw something horrible happening to his big sister. Luna never mentioned how painful the transformation was. Now, both he and Twilight know how much painful it is.

Next, while felling the incredible amount of pain, Twilight opened her eyes as she felt a staggering pain in her fingernails as well as her toenails. Her fingernails started to bleed, but it wasn't red blood. It was black ooze! Then, while her fingernails were still oozing, Twilight saw her toes. The socks magically turned into toes. And out of the toes came toe claws. Then, she looked back at her hands as she saw that her fingernails went through the same thing.

"AAAAAHHHH!" Twilight screamed as her nails sharpened into claws. Then, she felt a painful pinch on her butt cheeks and looks at her left butt cheek. In a white flash similar to the one from earlier, her cutie mark vanished into thin air as a dark blue cloud formed and moon colored ice blue appeared. Then, in addition to the new cutie mark, Twilight still felt the painful pinch as her butt grew bigger along with her breasts. Then, her thighs widen. She felt the muscles in her wings grew thicker as her wings grew sharper. Then, from her toes, the ooze started to climb very fast as well as turning her skin black. Then, she fell back on to her back again, only this time, due to the transformation. Next, her belly lunged up in to the air while her back and butt were still touching the mattress. Then, from under her belly button, two abs appeared. Then, the next two appeared over her belly button. Then, the next two came followed by the last two. Which means that Twilight has an 8-pack now. Then, she felt her mouth and eyes on fire. She puts her hands on her eyes rolls on to her right side and pulls her legs together. While this was happening, Twilight's flat teeth turned into fangs. Finally, like getting hit in the forehead with a baseball bat, the new black alicorn started to pant as she moved her left index finger and her middle finger away from each other. After that, she opened her purple eyelids, her corneas were turned ice blue and her pupils shifted into slits like those of a cat. Slowly, she takes her hands off her eyes, and used her right hand to push herself off the red pillow. That was also followed by pushing her torso of the mattress with her left hand. Then, she turns her head over to where the baby/teenage dragon was sitting.

Slowly, she perked the left side of her mouth up as she started smiling with her eyebrows facing downward. After that, she closed her eyes and took a deep breath into and out of her mouth. Then, she made the same previous face and started to speak. "So, "Little Brother", what activities do you have in store, *inhales through the nose and sighs* for us?" Nightmare Moon said.

Chapter 2

Later on...

Twilight and Spike landed in front of the door of Rarity and Sweetie Belle's home. Twilight knocked on the door three times with her left hoof. Then, Rarity opened the door and greeted her friends. "Twilight, Spike, to what do I owe the pleasure of my two friends visiting my home?" Rarity asked.

Meanwhile, in the dress-making room...

"Oh dear, are you SURE about this, Twilight? I mean, this is Nightmare Moon we're talking about," Rarity started.

"Yes," Twilight replied.

"And Luna said that her.. "other self" wants to be in somepony else's body and Nightmare Moon chose.. "YOU?" Rarity finished while pointing her right hoof at Twilight. Spike was standing on Twilight's left side.

"Mmhmm," Twilight answered with another nod. "Well, maybe it's just because she's bored and getting tired from seeing the same pony. I'll ask Luna later on," Twilight reassured Rarity.

"Well, as one of my best friends, I respect your decision," Rarity started. "Now, go on over to the spa and get prepared while also looking amazing while I make the clothes you need for tonight," Rarity finished. After a group hug with the two ponies and dragon, Twilight and Spike head out by walking out of their friend's house and over to the spa. Spike walks on Twilight's left side as they journeyed to the spa. After they left, Rarity quickly ran back into her dress-making room as a speed of light and started making the attire Twilight needs for tonight.

Activities: Tic Tac Toe

"How about a game of Tic Tac Toe, Twilight?!- I mean, Nightmare Moon?!- Your Majesty?!" Spike shouted the new being's three names for being so confused and in stress about what to call her by.

"Hmm, I see you have trouble calling by my name, Little Bro-," She started to explain his problem until he pointed his right finger at he Mistress of the Night.

"Hey! You have no right to call me "Little Bro." Only Twilight does. Got it, Moon!" Spike shouted in confidence. "And if you were lying to Luna about being good, go on a rampage and cause havoc using my sister's body, then end up letting her take the blame, so help me, I will do one thing to stop you: Either A, I splash you with Holy Water and Seal you in an empty jar. Or B, I BURN YOUR HIDE TO CINDERS!" Spike shouted with even more confidence and rage as he grew into his bull teenager form. With wings of a Titan, an 8-pack abdomen of a God, the mane of a Lion, the Ears of an Elf, the muscles and charismatic personality of The Rock, and the teeth, claws, and tail like his grandfather, Smaug.

"Okay-," Nightmare Moon said slowly. "- why would I want to do that?" She said suspiciously.

"I don't know, maybe it's because you are a demon who wanted to bring eternal darkness to and beyond Equestria?" Spike said with sarcasm, but with truthiness.

"Ok, first of all, just call me "Moonie," she said while pointing her left finger at the dragon, which got him to shrink back to his baby form. "And second of all," Moonie started while raising her left finger to the roof of Twilight's bed, or her bed in this case. "You are just the cutest thing to behold!" Moonie said while she used her magic to lift the baby dragon off the step stool. And then lunged her torso to catch the dragon in her arms while her legs stayed on the bed. "I can tell we are going to have SO MUCH FUN!" Moonie shouted.

"Somebody... help me," Spike whispered weakly as he was being squeezed to death by the monster of the Night who is currently using his big pony sister's body.

Later on...

"Ha! I win again!" Moonie cheered as she one another game of Tic Tac Toe.

"Seriously?! I almost had you! You've beaten me like 20 times! How come I can't win?!" Spike yelled. "How about 21 out of 3?" Spike said as he desperately wants to win.

"Okay," Moonie replied nicely. "Oh! The reason why you can't win is because I have the mind of your sister," she said.

"That would explain it," Spike said. "Also, when do I get my big sister back?" Spike questions Moonie.

"Tomorrow morning at 8:00," Moonie answered.
"Oh, okay then," Spike said.