It was a bright and sunny day, because of course it was. Ponies merrily frolicked around the town of Ponyville. The cute, little pastel ponies of this alien world liked sunny days; they literally had control over the weather. Unlike back home, you would be given clear warnings of rain since they were the ones who would bring the rain down.
On this day, you challenged yourself with the arduous task of wooing Rainbow Dash, who was a very feisty cyan pegasus pony with a rainbow mane and tail. You loved her rosy red eyes and her tomboyish nature.
You were pretty confident you could achieve wooing Rainbow Dash. Ponies, after all, seemed ridiculously easy to sleep with. It just seemed to get easier; your penis would get slightly bigger for each pony you would get intimate with or were nice to in some way.
Your penis would not always grow when being nice to a pony, but sometimes it triggers a growth spurt when let’s say if you give flowers to a pony. Sometimes your penis would swell larger from just being inside a pony. The growth seemed pretty random.
You loved the adorable squeaks they made when your cock became bigger and stronger before them, along with the sight of them trying in vain to take your cock down to the bottom while sucking you off.
This would be soon followed by their lovely rumps bouncing up and down on your towering cock. They would neigh loudly as your cock once more grew in size within their sweet pony pussies. You could not even take a mare’s pussy all the way in; you were simply too long.
And your penis was only… getting longer each time.
Of course, you were gentle to these cute little ponies with your supermassive tool, for there seemed to be divine punishment for being cruel to ponies. You have knowledge of this first-hand. While it is true that ponies are easy to sleep with, it has limitations; you can't be an asshole to ponies and expect to get laid.
But for the purposes of scientific study, you tried being an asshole to your lavender unicorn friend Twilight Sparkle to test if ponies were truly sapient-minded or not, and not just NPCs. You could not wrap your head around how easy it was to sleep with them.
Anyway, you were a jerk to her while she was in the middle of reading her book of Daring Do. While she was distracted, you grabbed her book and threw it into a nearby fireplace.
She wasn't very impressed by this and ended up slapping you across the face with her hoof. There came a sickening bone cracking sound, which resulted in your jaw ending up broken. It was on that day you learnt ponies were ridiculously strong and sapient-minded.
You, of course, screamed in agony after having your jaw broken. Fortunately, Twilight was shocked over what she had done, and thus she immediately set about fixing your jaw with her magic; in doing so, she neutralised the pain. However, this act of kindness was short-lived; the mare flew into a rage and started screaming at you with a booming, magically amplified voice.
Between her ramblings of anger, she threatened to throw you out on the street and cut you off from your welfare. What's worse, Twilight Sparkle is technically your landlord, who allowed you to stay at the Golden Oak Library for free, with a modest welfare sum given to you by the Royal Canterlot Treasury once per week.
Worst of all, being an asshole to a pony caused your penis to shrink to a mere micropenis. Your penis shrivelled up and became truly pathetic, only about an inch long. To make matters worse, you were naked at the time. It was truly divine punishment.
In a timid voice, along with tears falling down your cheeks, you told her, "I'm sorry, Twilight. I did it for science."
Miraculously, that seemed to work. You saw your cock had a massive growth spurt, jumping upward by about ten inches. Still, it was nowhere near as large as before. Immediately, Twilight showed she clearly forgave you by giving you a blowjob right then and there.
You even made sweet love to her that night. Your penis swelled larger again by a good few inches during your passionate love-making. Twilight fell asleep in your arms, cuddling you with her soft hooves touching off your back.
However, you could not bring yourself to sleep. You almost didn’t want to be forgiven for your actions today. Being an edgelord got you nowhere in this world; there was no point being cruel to the ponies and ending up being hated by them. While ponies were easy to sleep with, they had feelings and deserved to be treated with respect.
Granted, this was the first time you truly abused your power over the ponies by throwing Twilight’s book in a fire. You eventually managed to fall asleep but had fewer hours of sleep than you would have liked.
You made a vow never to be cruel to a pony again. The following day you bought another copy of the same book you burnt. Twilight was so delighted you did that for her that she gave you a blowjob.
Your act of kindness caused your cock to grow several more inches longer in her muzzle. You felt butterflies flow through your stomach when Twilight made an adorable squeaking sound while sucking you off. The mare tried in vain to take you to the bottom, but it was no use. You were quite simply too long for her.
Being nice to ponies was rewarding. In fact, it was too rewarding. Being nice to ponies causes your penis to grow continuously bigger and bigger without stopping. Nonetheless, you felt your heartache at the thought of being cruel to a pony again. Ponies are clearly meant to be loved, not abused. You made a mental note to ask Twilight next time for advice on solving your big penis problem without being cruel to a pony. She probably has some sort of spell to counteract your continuing penis growth.
You made love to Twilight many times that night, and your cock would swell even larger every so often. Your spurts of cum became stronger each time as your cock continuously grew in size. Hours passed when you left Twilight exhausted in the bed; drowned in her own sweat and musk in the air. Your cock was bigger than ever before, for you wanted to be super awesome for Rainbow Dash.
But anyway… back to the here and now.
You walked toward the front door, making to leave the Golden Oak Library to search for Rainbow Dash. It was a hot summer’s day outside, so you wore a pair of dark blue shorts, a plain white short sleeve t-shirt, and brown sandals. Usually, you would not go out without sunglasses or suncream to protect yourself from the sun. However, it seemed divine intervention protected you from the sun's harshness in this world.
You were armed to the teeth for romantic combat but not packing a hamster. Held in your right hand was your romantic weapon to seduce Rainbow Dash… a black hairbrush. You even had backup romantic weapons in your shorts’ pockets, just in case things got hairy out there.
Romantically armed and ready, you made your way out the door. Rainbow Dash was not exactly difficult to find outside, for upon exiting the library, you immediately spotted the cyan pegasus flying wildly about in the sky over Ponyville. From what you could gather, rainbow ponies seemed extremely rare. There appeared to be only one of them in town.
The mare moved so fast that your mere human eyes could only perceive that she was little more than a rainbowish and light blueish blur. You could only assume pony eyes were able to see her doing her various stunts much better than you. It almost seemed she was a pinball machine’s ball in the sky. Nonetheless, you could see her blurry form come crashing into clouds, which shattered apart upon impact before fading into nothing.
“Hey! Rainbow Dash!” you shouted while waving the hairbrush at her.
This immediately got Rainbow Dash’s attention. The Pegasus came flying towards you at a slow-ish speed (at least for Rainbow Dash). Once over your position, she made to land silently on the ground before you. Rainbow didn’t seem to be very happy, for she was looking at your hairbrush with her eyes narrowed to slits, along with a most grumpy frown on her face.
“Anon, I hope you aren’t planning what I think you’re planning with that hairbrush,” came her voice, laced with venom.
Time seemed to slow down. You felt like a duelling cowboy, for you could hear the Old West Song play in your head as you, in one quick motion, you dropped the hairbrush, and with lightning fingers, you pulled out two carrots from your shorts pockets. You were now dual wielding two romantic carrot weapons.
Rainbow Dash’s face instantly lit up with a friendly smile from the sight of them.
“Awesome, dude. You brought me carrots. I knew you were cool,” she exclaimed in an excited voice.
The Pegasus unceremoniously leaned her head forward and wolfed down the carrot in your right hand. She quickly devoured the carrot before moving on to the other carrot and chewing it down. Rainbow loved carrots, it seemed, just like all ponies.
With a gulp, she swallowed down the carrots. The mare then turned to eye your semi-erection in your shorts.
“So, you want me to suck on your carrot?” she said in a hot breathy voice, fluttering her eyelashes at you.
You felt uncomfortable about this. Rainbow Dash instantly changed from anger to lovey-dovey just by giving her carrots; somehow, you felt as if you were exploiting her.
You lifted your right hand and began to scratch the back of your neck. “Actually, Rainbow, can we just hug?”
In one quick motion, she stood up on her back hind legs, leaned her head into your right shoulder, her silky soft rainbow mane came to touch off your neck, and her two front four legs wrapped themselves around your torso. Her soft spongy hooves were against your back.
You enjoyed this hug for a brief moment. But then, you felt a familiar tingling feeling in your crotch… but this time, something peculiar began to happen. You could feel your penis rapidly receding… shrinking in size!
You immediately pulled away from the hug, earning yourself a sad whine from Rainbow. You leaned your back against the library door behind you, panting heavily.
“What the hay, dude?! I was enjoying hugging you!” Rainbow spoke in a hurt voice, looking up at you with a look of betrayal.
“Rainbow! You made my penis tiny?!” you shouted with your hands raised in exasperation.
“Don’t you know anything about sex?” came her stern voice, eyeing you with a harsh gaze. “Surely, you know a hug is used to stop a stallion’s penis from growing out of control. It’s the only cure…. Well, you can always be a cunt.”
“Rainbow… I-I–” came your low voice before being cut off.
Rainbow snorted, shaking her head. “I almost don’t want to suck your dick to make it big again. Just note, the mare who hugged you is the only one who can make your penis big again. And I'm not sure I want to, now.”
Your legs came shakey before you unceremoniously dropped to your knees and began to wail in grief, tears falling down your cheeks.
Rainbow’s mouth formed an ‘O’ shape from the sight of this. “Dude, I’m sorry! I was just angry with you! I didn’t mean it! Please stop crying! I’ll suck you off, Okay?! Just tell me how awesome I am, and you’ll be back to ten inches and above,” she spoke apologetically.
“You… you… will?” came your voice, low and weak.
Rainbow Dash lifted her front right hoof and pointed to the door behind you. “Of course, I’m not a heartless bitch. Now, quit being a beta male bitch and get upstairs so that I can suck your cock until you are big again!”
You simply whimpered, nodding to her command. Hugs from a pony cured this big penis problem of yours without needing to be a cunt.
Still, it hurt your pride. You hoped Rainbow Dash was being sincere. The balance of power was now truly balanced. The fate of your penis size was in Rainbow Dash's hooves.
