This choice: Make your entire family well-hung centaurs • Go Back...Chapter #6Make your entire family well-hung centaurs by: M.M.69  As you watched your mom canter out of the room, laundry basket in hand and massive stallion genitals a-swaying, you thought to yourself: why not make your entire family like this? You were already half-way through centaurizing your siblings and parents, so why stop now?
Closing your eyes, you focused on projecting your morph onto Jenny, Jessica, and your dad, wherever they are.
Wondering if your morph was a success, you used your rear legs to back off of Tommy, sliding your huge equine schlong out of his gaping pony ass with a SCHLOOOOOORP!
Tommy let out a loud sigh as he felt his brother exit him. Backing up as far as you could go without falling off his poor bed, you gazed at your little brother's hole and marveled at its gape. It was more than open enough for you to shove your arm into, and you were half-wanting to do so. Big stringy globs of your cum stretched across the fleshy tube inside, evidence of the filling you just gave him.
"Alright, uh, I'm thirsty so I'm gonna go get a drink," you told your brother, making up some sort of excuse to leave.
"Okay Ben!" Tommy cheered, before looking back at you with an exhausted expression. "I think I'm gonna lay down."
His atrophy was understandable, considering the pounding he had just received.
As you clopped your heavy stallion lower-body off his bed and onto the carpet below, Tommy lowered himself to his knobby horse knees before laying down sideways, head perfectly placed on his pillow.
Stepping out into the hallway, your eyes widened as you took in the changes your morph had made to the house. Everything was bigger -- doors wider and taller, rooms larger, stairs broader -- all to accommodate your family's new forms.
The sounds of slapping and moaning led you to make your way downstairs.
As you reached the bottom of the staircase, you saw an interesting sight in the living room.
Jenny was currently mounting your father and ramming his ass for all it was worth.
Your dad had a brawny black Mustang below his waist, with an impressive set of black genitals. His horsecock was maybe only a few inches longer than yours, but still smaller than your mom's, and bobbed up and down as his oldest daughter fucked him in his big donut hole.
Jenny's horse-body was that of a toned athletic Thoroughbred, which fit her personality well. Her glossy brown coat shimmered in the light, gorgeous black tail swishing side-to-side behind her. Her hands were on her hips as she pistoned her distant flanks forward and back. With each thrust, her apple-sized nuts slapped loudly against her dad's slightly larger ones. A long stream of her pre was flowing down your dad's taint before dripping off his nuts onto the carpet.
"Hah! Hah! I'll never get tired of fucking your ass, dad!" Jenny panted, raising a hand to wipe sweat off her forehead.
"Mmf! And I'd be lying if I said this wasn't my favorite part of the morning, haha," your dad laughed around moans.
"Yeah, you like taking my huge cock, don't you dad?" your sister teased. "You love taking all of our cocks, huh?"
"Uhhff! Yes, sweetie! I do! I love being fucked by my family! I want all of you inside me every day!"
Interesting. So it seems your dad is the bottom of the family. That was something you didn't see coming. You'll admit, the idea of your manly masculine dad being a submissive little mare for his children and wife was certainly a hot prospect.
Jenny reached down and gripped your dad's waist, using the leverage to plow her horsecock even more powerfully into her dad's asshole.
"I'm about to cum, dad!" Jenny announced. "You're about to get filled with my piping hot stud-seed!"
"Yes Jen! Cum inside your daddy!"
With one last powerful thrust, Jenny hilted herself inside your dad up to the sheathe. You watched her fat foal-factories suck upward as they sent her semen barreling up her cock and into the DILF-taur's guts.
The two of them moaned as Jenny orgasmed. Your dad could feel the warmth of her horse-cream as it poured into his insides.
Jenny leaned forward some more and started giving your dad kisses on the side of his neck, sliding her hands around his hairy brawny chest under his shirt.
"Mmm you make such a good cum-dump, dad," Jenny doted.
"That's what I'm here for, love," your dad replied dreamily. He actually hadn't orgasmed, but was still basking in the enjoyment of his daughter, balls-deep in his asshole.
After another minute of relishing her afterglow, Jenny dismounted your dad. Her 18-inch meatstick flopped out of your dad's battered leaking hole as she made her way off of him.
"Hey Jess!" Jenny called. "I loosened him up for ya!"
All eyes turned to the kitchen as the sound of some immense hooves clopping across the tile could be heard. You audibly gasped as your younger sister came into view.
Even with the heightened doorways, she still had to bend down a bit to fit under the kitchen entrance. Your little adolescent sister's upper body was attached to an impossibly massive Clydesdale stallion's body.
Surely your powers must've hiccupped in some way. She should've had a maturing foal's body like Tommy, yet instead her minute torso jutted out from the front of a fully grown Clydesdale. She had a black coat of fur like your dad, however she had some white blotches around it, and of course her hooves were covered in the tell-tale thick white tufts.
Looking beneath her, however, and your eyes widened even more.
Swinging weightily below Jess's midriff was an absolute behemoth of a horsecock. It had to be 3.5 feet long, and was a little thicker than a 2-liter. A sweaty smelly sack of watermelon-sized equine nuts swayed between her hindlegs, occasionally bumping against them because of their sheer girth.
You weren't even the one about to be fucked and you were scared. Scared on your dad's behalf.
Jessica giggled. "Finally! I could smell you guys' sex from the kitchen and it was driving me crazy! I can't wait to be inside you daddy!"
"Of course, darling," your dad replied, completely unperturbed by his baby girl having a monstrously powerful stallion body. Not to mention the veritable battering ram of a cock she was about to impale him upon. "I need to be stretched around your cock so bad!"
Jenny moved out of the way so that Jessica could assume her prior position behind your dad. As Jenny turned, she spotted you at the bottom of the stairs and gave you a bright smile. All four of her hooves solidly stomped on the carpet as she crossed the room to your location.
"Morning bro," she greeted.
"Hey Jen."
"You here to watch the show?"
"I guess so, haha."
She turned her horse-body so that it was parallel to yours, allowing her the same view of Jess and your dad as you. Just in time, too, as your little sister wasted no seconds to mount your dad.
Somehow, the smaller stallion was able to withstand the humongous weight of the Clydesdale above him. Your dad couldn't focus on that, though, as not a moment later his donut hole was stretched beyond belief around his daughter's giant intruder. Impressively, inch-by-inch Jessica's fuckstick started sinking into her daddy's rectum. Even more impressively, your dad didn't pass out.
On the contrary, your dad seemed to greatly enjoy the sensations of essentially being a living equine fleshlight as a monolithic meat was buried within him.
Unbelievably, in under a minute Jess's gigantic testicles were pressing against your dad's much smaller nads from behind. Her entire cockcannon was inside him. They must do this a lot.
Not standing on ceremony, Jessica eagerly started to pull out so she could thrust back in.
"Oh honey," your dad moaned. "How did you come to have such a magnificent cock!?"
Jess giggled again, her balls slapping loudly against her dad's. "I don't know, daddy! But I love it so much!"
Unlike your other family members, your 'little' sister had too large of a horse-body to be able to do anything more than ruffle her dad's hair, towering above him as she was.
The living room filled with Jess's thick musk. It was stronger than anyone else's and made both you and Jenny's cocks extend from their sheathes. It was enough, however, to bring your dad over the edge.
DILF-taur cried out as he orgasmed, his otherwise-impressive horse schlong spewing his semen onto the carpet, the thick yellowish-white cream instantly staining the fabric and permanently stinking it up.
It was inevitable he was going to orgasm again before it was over, as Jess was just getting started.
Her thrusts gradually increased in frequency, loud schlicking and schlapping sounds abounding in the room as her mare-splitter plunged in-and-out of its horrifically gaping receptacle.
"Say, Ben?" Jenny asked beside you. She reached her nearest arm over and began stroking your horse-back with it. "I know I just came inside Dad, but... I really need to fuck something right now!"
You turned your head to look behind and below, and sure enough her horsecock was once again throbbing with need beneath her. You thought it was funny how much of a top she was now, it was as if her athletic tendencies were amplified, thanks in part to the tons of testosterone from her apple-sized nuts.
"Do you think maybe we could head up to my room and... I could pound you senseless?" she proposed, smirking.
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