It was difficult to breathe. That was the first thing Spike realized when he had climbed into Fluttershy's soft, silky panties. The second thing Spike realized, that it wasn't entirely due to a lack of air.

Oh, no, the underwear itself was thin enough for him to breathe through. Thin enough, Spike was sure, that if anypony were so lucky to get a glimpse of the Fluttershy's panty-clad bottom, they'd be able to make out a hint of purple swimming in the sea of green. No, it wasn't the lack of air that was going to do Spike in. It was going to be the scent. The air was saturated with the fragrance of soap, shampoo and strawberries that tingled in his nose and fizzed in his brain. But there was another scent hiding underneath all that, and a scent that Spike was desperately trying to ignore. It tickled at his senses, smelling slightly sweet, slightly sour, slightly sweaty, and slightly suffocating all at once. A scent Spike was sure was due to the result of his proximity to Fluttershy's nether regions and a scent Spike was sure, was going to end up being very distracting.

Although, to be entirely fair, everything in the situation was turning out to be extremely distracting. He was quite sure of that, considering he was lost in the snug depths of Fluttershy's panties and underneath the sinfully wide cheeks of her thick behind. Well, no. Lost wasn't exactly the right word to use. He roughly knew where he was in some aspect at least. He was sure he was somewhere underneath the plump right swell of her rump, if he had to guess. Of course, there was no way for him to be exactly sure. The heavy globes of that jiggly, sunny bottom came down entirely too fast for him to get a precise visual, but he was certain that was the source of the dim yellow terrain he was peering at having made his way past the jade barrier. The lemon-colored land underneath him was soft and warm with just a supple hint of springiness to be had. It stretched out forever, as far as Spike could see, and he really was doing his best not to stare. He was not the sort of dragon that leered at his friend's backsides. Maaaaaybe the occasional glance, when the opportunity presented itself. Like when Rainbow Dash was taking the starter's position to a race: bent over in that skin tight Wonderbolt's uniform of hers, the thin material outlining the sharp cut of her firm muscular butt cheeks without mercy. Or Twilight when she was lounging around the castle in those threadbare sweatpants she liked so much. The pair with the rip on the rump that let her panties peek out as she pranced about. Or Pinkie bouncing around the shop, shifting her hips, and bending over to pick out cupcakes from the lowest row of shelves in the bakery. That last one wasn't his fault of course. With all the sweets Pinkie put away, it was impossible not to take in the hefty scope of her thick bouncy hindquarters.

There really was no helping it though. If Spike wanted to get out of this mess, find a way to reach Twilight and get himself back to his normal size before something crushed him permanently, he would need to see where he was going. There was no choice to be had and that meant staring directly along the delicious buttery golden curves of the girl's bare rump that stretched out before him. He groaned. This was not going to be an easy task. At all. No, no, he was quite sure things were going to get very hard before this was all over. He squeezed his eyes shut, if only for a moment, trying his best to get his concentration back, but the image was seared behind his eyelids for better or for worse.

Despite this, Spike forced himself forward. One claw at a time. Inch by inch. He'd managed to wriggle his way past the silky confines, but thin as they were, they still hugged Fluttershy's plump cheeks rather snugly. Snugly enough that they squashed the poor dragon firmly against the mammoth globes and forced him to scoot along on his belly blanketing him with a green silk sky. He gripped her as softly as he could not wanting to hurt her by accidentally pricking her with his claws. No. Hurting Fluttershy in anyway was beyond excusable. He'd make sure that would never happen, no matter his size. Regardless of how slow he tried to take it, every movement resulted in a gentle 'quake' of the terrain beneath him. Did she feel that? Was he right in his assumption that he'd be able to get her attention like this? Looking back on it, Spike really wasn't sure what his plan was to begin with, granted, when your body was trapped under the full cheeks of a bottom heavy girl, thinking clearly had a tendency to take a back seat to blind panic. Sure it was safer in the panties than scrambling around against her body, but what now? How exactly was he planning to get her attention? Maybe he could poke his way out of her underwear once she stood up again. Maybe tear a new hole and climb through once she took off her skirt and explain the situation. That could work. Yeah! That was an idea! He just needed to hang on until she was going to take a shower, or get into bed, or something. That was a plan! That was a good plan.

A good plan, yes, but it was a plan that presented new problems. He was stuck waiting where he was, clinging against the thickest part of her fat behind, and that meant drinking in the sights and taking in the scents of being in a girl's panties. A girl that he liked. It was the scent, he was sure, that was driving him nuts the most. A vicious, unrelenting scent that was stealing away his better judgment and replacing it with an unbridled lust that easily pierced his waning resistances. It was getting to him. He knew it was getting to him. He knew what Fluttershy's most personal regions smelled like and it was a smell he found himself cherishing. He was holding it in his lungs for as long as he could and let it out with a trembling shudder, searching in vain for something to distract him from the round bottom he found himself snuggled against. It wasn't working. He knew it wasn't working. He could taste it with the way he was belly down, nose only inches from the golden yellow curves beneath him. He could feel it, warm and soft under his body. He could see the dim lemon colored cheeks she kept hidden away under her skirts and jeans.

He twisted his head to the side, resting against the comfy cushion underneath him and gave a quiet sigh. It was all too much. It really was. Who could blame him for any of this? It was Twilight's fault, after all. All of this was Twilight's fault. That's all he had to keep telling himself. It was the only thing running through his mind. His body was on autopilot by now a claw wriggling itself down under his belly, fiddling with the button on his jeans. A shirt and a pair of jeans was all that he'd thrown on before rushing over to help Fluttershy, and they were currently squeezing him in the most horrid of ways. In reality, It wasn't like he'd be escaping this alive anyhow. There were too many different ways things could go sour, tiny as he was, shrunk as he was, lost as he was. There were just too many different ways he might not make it out of this. He was in a safe place for now. But how long would that last? He inched his way forward, letting his jeans pull away with the process of his moments and sighed with relief when he felt them pool around his ankles. He'd been doing his best to ignore it, but ever since he'd been witness to Fluttershy's monumental behind lowering itself onto his tiny frame, he'd been sporting the most rigid erection he'd ever had. There was no telling if he'd be in a safe place again. Not with his size. Not with his height. He could only stay pent up in that denim for so long and something had to give. Now that he'd ditched his jeans, it was slightly easier to move. His smooth scales helped a great deal, but there was nothing he could do about moaning at the sensation of his cock sliding across the golden downy peach fuzz underneath him. It was heavenly. The smell was heavenly. The sight was heavenly. Everything was heavenly. Maybe he had died when Fluttershy sat on him, and this was some sort of reward. At the moment, it certainly felt that way.

With survival stepping to the sidelines, lust had mostly taken over and it drove Spike to climb forward, mewing at the sensations that now overwhelmed him. Him and every sense he had. Every last one of them saturated with Fluttershy's body, and by Celestia how he was loving every second of it! He slid himself further forward, trembling with every tiny movement he made, dragging his turgid, sensitive length along her soft beautiful curves, while that shy yellow bottom seemed to suckle at his need with its softness. He pulled himself forward another inch, giving a heated gasp at the sensation that rippled through him, but everything came rushing to a to stop when he saw what lay before him. Or, more accurately, what didn't lay before him.

In front of him, the yellow landscape he greedily followed with his eyes seemed to slope away. It curved down and vanished into a dusky blackness that swept up his vision. The lack of fresh oxygen kept him confused as to what he was seeing, but it only lasted for a few short seconds. A wide, canyon stretched out before him, sloping down with the soft yellow giving away into pure nothingness that stretched into a black infinity. Spike could only whimper, his hips giving a helpless little jerk forward.

He was staring into the tremendous depths of Fluttershy's bountiful buttcrack. It ripped his breath away from him what little left there was of it. He had been greedily huffing Fluttershy's personal scent for most of his journey, and here, now, at the expanse of her cleft, he found he could finally breathe. At least, breathe a little bit easier. It was still her scent he was sucking into his lungs and it still had the same effect it was having on him earlier. The wide, yawning maw of Fluttershy's cleft wasn't helping anything, but at least he had a little more room here. There was enough open space for him to stretch out and maybe even twist into a better position if he let himself sink eeeeever so slightly into that humid cleft. Slowly. Inch by inch. As he maneuvered forward, he figured maybe he could get a better grip, but that's when the ground shifted and trembled underneath him. He could only squeal in surprise as the yellow floor below him gave way and he plummeted into the darkness of Fluttershy's rump.

Author's Note

See. Cause it's 3 am when I write these and I just stop making sense all together. I have no idea where this is going.
Actually, I'm kidding. I know exactly where this is going.