Sunset could only stare at the machine that Pinkie Pie is attached to in the basement that Twilight has transformed into her lab. Twilight didn't just study magic but also tried her hand at new spells combining potion making with spell casting. Which are all mostly in sex potions and potions to increase the chances of having a filly. Which even with drugs and potions is still a hard thing to do, Sunset still doesn't understand how that works with the sheer amount of sex everypony is having. Thinking about it it might be why her moms and aunts were so into transforming her, hearing how easy it is for humans to have a child they might had been hoping that with a cock of her own she'll be able to impregnate ponies.

"Ok so what is happening?" Sunset said as she stares at the colander with light bulbs attached to it strap on Pinkie's head.

"Trying to figure out how the twitching that Pinkie has allows her to figure out what's going to happen," Twilight said looking at the read out of the machine with the line going up and down.

"Just say it's magic and call it a day," Sunset said. "I stop trying to make sense of things after everyone breaking out singing and dancing." (1)

"No there has to be a reason," Twilight said.

"Ok just leave me out of this," Sunset said walking back upstairs.

!

Upstairs -

Once Sunset got back to her room, she got undressed and went into the bathroom and turned on the shower. She's been busy going around Ponyvile checking on things and performing her royal duties. She now just wants to take a shower and take a nap, she took off her underwear and stepped into the warm shower. As the water glistened off her body, three mysterious figures were coming closer to the shower. Sunset looked straight at the figures, but the shower curtain was too dark for her to see through.

Opening the shower curtain, Sunset saw Trixie, Moondancer, and Rarity standing naked in front of her. They're all lined up with Rarity and Moondancer who are the same height with their giant breasts pressing against Trixie's bigger ones who is taller then either of them. While all the ponies Sunset has seen have sexy bodies, the three ponies in front of her have the hourglass figures that made them very sexy to others, big breasts, with big and wide butts and hips. Sunset couldn't but help glance down at their rock hard cocks, from Rarity's thick 18 horsecock to Trixie's 20 monster.

"Rarity here wants to personally thank you for your idea for the fashion show," Trixie said.

"Everypony loves the sexy underwear and the orgy that followed," Rarity said licking her lips at the small cute form of Sunset.

"And you two are joining in on the fun," Sunset asked.

"Well she also wants both of us be models for her dresses too," Moondancers said.

"They do have the right figures," Rarity said as steps forward.

Rarity grabbed Sunset by her firm buttocks and pulled herself into the shower. Rarity pulled the shorter Sunset up and started kissing her. Their bodies pressed against each other's. Both of their breasts were smashing into each others. Rarity's giant cock was pressed firmly against Sunset's pussy. Sunset could feel the throbbing shaft moving up and down her pussy entrance.

Rarity's thick and long tongue got between Sunset's lips. She started darting her tongue back and forth between Sunset's lips like a cock moving in and out of a pussy. Sunset sucked on the tongue every time it came between her lips. Both of their hard nipples dragged into their breast skin. Sunset liked her new breasts being big and firm c cups better then many of the human women she remembers back in the human world, but Rarity's giant tits were, of course, bigger then Sunset's. Rarity's breasts completely smothered Sunset's breasts.

Rarity pushed her arms to her sides and ballooned out her huge titties, pushing Sunset off her chest. Sunset lick her lips seeing the big pair of breasts filled with milk, none of the breast milk she has drunk are as tasty as her moms or aunts but she still likes the different taste of each mare's milk. Her lips traced the outlines of Rarity's mammoth orbs, kissing them on the outside and then moving inward to Rarity's nipples. Sunset started lashing her tongue out at Rarity's nipples, licking them in turns. She then used her teeth to trap Rarity's nipples while her tongue licked at them. Sunset then turned her mouth into a vacuum and started sucking up as much of Rarity's huge tits as possible. Rarity's milk had a refine taste to it, which Sunset drank as much as she could.

Sunset spent a good five minutes feasting on Rarity's delicious soft melons filling her stomach with her milk. Rarity seeing Sunset is full pulled her breasts away from the princess's face. Rarity leaned down with her sights on Sunset's cunt, while Sunset doesn't have milk her pussy juice made up for it. Her pussy juice for the ponies is just as intoxicating as her sweat. Which Rarity after having tasted it couldn't get enough of it, she drove her thick and long tongue deep inside Sunset's cunt.

The warm water continued to flow down both their bodies as Sunset was moaning and moving her upper body up and down the wall while Rarity devoured her cunt. Rarity lifted one of Sunset's legs over her shoulders and rested her cheek against Sunset's thigh. She lapped up Sunset's juices and kissed her tender clitoris. Rarity then started sucking on Sunset's clitoris, sending chills through Sunset's body. Sunset would jump every time Rarity hit a good spot in her pussy.

After eating Sunset's pussy for a few minutes, Rarity stood up and kissed Sunset, letting Sunset taste her own juices. Sunset's hands were wrapped around Rarity's large cock and started stroking it. Sunset still held on to Rarity's oversized dong, when Rarity grab her head and pulled her downwards till Sunset was starring at her dick. Sunset started kissing the huge mushroom head. Her tongue licked around the edges of the head before engulfing it between her lips.

Rarity ran her hands through Sunset's wet hair as she took a good amount of Rarity's cock into her mouth. Rarity was amazed at Sunset's expertise on sucking cock. Sunset cupped Rarity's balls and started fondling them, squeezing and kneading them in the palms of her hands. Sunset just let Rarity's cock invade the back of her throat. Her huge cockhead was brushing the back of Sunset's throat as her tongue run up and down the pulsing shaft.

Rarity lifted Sunset up by her magic and stepped out of the shower. Rarity took Sunset by the hand and led her into the bedroom. Rarity got on top of the bed with her humongous cock pointing up at the ceiling. Sunset crawled between Rarity's legs and took the cock between her lips a little bit longer, savoring the taste and texture of Rarity's hard cock. Sunset then got up and straddled Rarity's crotch.

Rarity watched as Sunset lowered her drenching pussy down onto her throbbing cock. Sunset's face was in agony as she felt the huge cock lodging itself between her swollen pussy lips, which happens when the big girls didn't wait for Twilight to open her up first. Sunset's cunt had swallowed Rarity's giant cock whole and she started rocking wildly on it.

Sunset leaned forward to allow her head to slide up and down on Rarity's huge breasts. With Sunset being so much shorter then most ponies she is rarely more then chest level with them, which meant she been smothered by soft and giant size pony breasts since she got here. And she just gotten to like pressing her head between a nice big and soft pair, it just reminded of her moms. Rarity started pushing her cock in and out of Sunset's moist pussy, thrusting harder and faster to match Sunset's wild bucking. Sunset had her eyes closed, using Rarity's breasts a pillows, while Rarity wrapped her arms around Sunset's waist and started rocking her forward even faster and harder. With Rarity's huge tits bouncing directly in Sunset's face, and she took the opportunity to feast on them, taking in a large amount of tender breast tissue between her lips. Her tongue savagely worked over Rarity's hard nipples drawing milk from them.

"Ahhhh Sunset you're so tight!" cried Rarity as her pussy was being overly filled with a huge shemale cock.

Rarity gripped Sunset's ass cheeks and started lifting her up and down by them, slamming Sunset even harder on her huge cock. Sunset's pussy started trembling as her cum started gushing out all over Rarity's cock and balls. Which Trixie and Moondancer help themselves to by shoving their faces between their friend's legs and licking up the juices. Both of them having watched Rarity so far waiting for their turn, couldn't hold themselves back any longer seeing all the cum waiting for them to lick up.

"Mmmmm good Sunset! And you two keep licking," urged Rarity as she continued to drill her enormous cock in and out of Sunset's cum spilling pussy.

Sunset sucked hard on Rarity's juicy nipples while getting some powerful thrusts in return. Rarity rolled Sunset over so now she would be on the bottom, and she would be thrusting between Sunset's quivering thighs.

Rarity started resuming her thrusting, beating her crotch against Sunset's. Rarity held her legs around apart and up in the air while thrusting harder and faster in Sunset's already creamy cunt. Sunset just rested her body on the bed and closed her eyes, feeling Rarity's huge cock drilling her tight hole. Trixie and Moondancer had leaned down and taken one of Sunset's breasts in their mouths and were suckling away, while unlike them Sunset's couldn't give milk till she's expecting a child, but it didn't stop them from trying.

Rarity felt her balls couldn't hold the heavy semen that was building up inside of them. She pressed her sweaty body against Sunset's equally sweaty body and rested her cock deep inside Sunset's cunt. Rarity's cock exploded with thick layers of gooey cum, filling up Sunset's pussy. They wrapped their arms around each other while Rarity's cock was unloading an enormous amount of milk inside Sunset. After Rarity's cock had finished emptying, both girls still laid their, embracing each other tightly as the day was flying by fast and neither of them wanted to move from their hot and cozy position.

"Rarity move over it's my turn," Moondancer said licking her lips.

"Sorry darling but I'm going to be keeping my cock inside Sunset as long as I can. You and the other herdmates get her all to yourselves. And well... it's not like I know when I'll have another chance right?" Rarity said as she began thrusting into Sunset again. "I just got to take advantage while it's here."

"Fine then," Trixie said as she grabs Rarity and flips her on her side.

"Hey!" Rarity said as Trixie slides herself onto her back and thrust her cock up her butt.

"Don't want to crush Sunset underneath our weight now do we," Trixie said as she thrust her hips into Rarity's big and soft butt.

"If you're going to be taking Sunset cunt all for yourself, I'm going to be helping myself to yours," Moondancer said as she got on the other side and thrust her cock into Rarity's cunt.

Rarity was overwhelmed from the pleasure she was feeling as two big are pumping away inside of her while her own cock is buried deep inside Sunset. Both Trixie and Moondancer having worked as a team before, seeing how both of them are in the top 3 biggest herdmates with Zecora having the biggest cock. They're normally the last ones in line to fuck Sunset after the others loosen her up first. Which didn't stop them from having sex with the other ponies as they waited and what they learn from Sunset's moms and aunts. Who taught them some tricks and skills they learned in their long lives, which they taught by example. Both having Sunset's herdmates having sex with them and then them having sex with the herdmates to show them how to really do it. Which they then used on Sunset, who because of her smaller and weaker body of a human before she became a hybrid, the herdmates had to really hold back or they would really end up hurting Sunset.

As for Sunset she's once again found herself trapped between two ponies, with her body being squeezed between two giant breasts. Which she's very used to thanks to her moms and aunts doing that to her when they sleep together. But of course she isn't being fucked while it was happening, well... most of the time when her herdmates have sex with her. At least her moms and aunts are careful with her and not all but smothering her as they held her between them. Sunset wonders if she would have been better off joining Twilight, trying to make sense of Pinkie Pie.

!

Elsewhere -

In the Frogbottom Swamp, Twilight screamed as she, Fluttershy, Applejack and Pinkie ran for their lives. Behind them a three headed hydra was chasing after them, after Pinkie told her and Applejack that something big was going to happen at the swamp. Twilight wished that she was home right now and had just went with Sunset that Pinkie abilities to sense things by something happening to her body was just magic. It would had saved her alot of trouble if she had done so at the start.

Author's Note

1 - The Pinkie sense hasn't really shown itself up since that episode. Like the writers showing a amazing skill that someone in the show has that only is shown one time and no one ever brings it up again.