Nighttime in the rabbit home Cream glances at herself in the mirror and sighs being a late bloomer she was flat,
but there was no time to worry about that cause tonight was creams first sleepover.
Cream was so excited she had never had anyone over for the night she thought in her head al the fun things they could do togeather. Suddenly there was a knock at the door it was Sonic and Tails, Sonic was about to go on a solo mission and needed someone to look after Tails(much to his dismay) "But Sonic! I'm not a little kid anymore" whined Tails who was clad in a red star patterned pyjamas blushing deeply "I'm not going away forever, besides It'll be fun" reassured Sonic. 
They were greeted at the door by Cream who was wearing a long nightgown similar to her daytime attire,
Vanilla calmly approched and gestured for the two children to come inside.

"Have fun you two" said Vanilla waving as Cream pulled Tails upstairs into her room.
In Creams room is just what you'd expect of a little girl, lots of frills and plush toys everywhere Tails sighed
"I wanted go with Sonic" Cream turned to Tails with a smile "I have fun game we could play" Tails gave a puzzled expression, Cream gave him a playful poke on the chest bluishing Tails countered with a few pokes of his own.
Tails endured poke after poke having more fun than he expected then Cream somehow caught him off guard flipping him onto his back "I got you now!" Cream shouted looming over Tails who was blushing even more than ever. 
Cream took the oppertunity to tickile him Tails squrimed trying to stop her all the while holding back laughter,
unbeknownst to Tails something else was happening down below his crotch was heating up for some reason.

Cream stopped mid-tickle "What was that? you feel warm" Tails quickly rose up revealing a small bump on his crotch,
"Eep!" squeeked Tails trying to cover the miniscule bulge thinking something bad happened Cream came closer to inspect.
She leaned in closely pressing a hand to Tails crotch "It's moving and it's so warm!" Cream begain to move in a cirular motion Tails moaned watching Cream play with him fondling his pravates, the heat started to build again Tails slowly moved his hands to the slightly larger bulge noticing something strange with Creams chest, It looked puffy.
Cream pulled away from Tails and saw the small tents in her gown "I'm feeling warmer too" stated Cream as she put her hand to her chest squezzing those plump nipples of hers, Tails gasped feeling something shift in his pyjamas it was throbbing and slowly creeping it's way upward Cream licked her lips interrested in Tails now growing penis ignoring her own growth.

Tails jerked forwards thrusting slightly with each throb of his penis the only thing on his mind were Cream's budding breasts, Cream herself was filling her gown swelling into a perky pair almost big enough for a bra,
Cream and Tails gasped in unision witnessing eachother in their aruosed state had accelerated their growth.
Tails grunted as his penis expanded whithin his sleepwear growing thicker and longer with each passing minute,
the lenghty rod swelled past his navel far thicker than both his arms and now it had become slick with precum,
bigger and bigger it grew growing past his hardend nippeles brushing against them further increasing his hornyness,
"More!" Tails thought to himself still growing hearing his pyjamas gron and strain due to his massive boyhood.

Blowing up like two water balloons Cream's breasts streched out her gown causing threads to snap giving Tails a clear view of the inflating busom, the collar of Creams gown tore open causing her fat breasts to bounce sending waves of pleasure through her small body her nipples poking out tender and sensitive brushing against the rapidly shrinking nightwear.
The silky gown proved to be no match for the big boobed bunny burst sending her breasts jiggling all over,
Cream lost her balance and fell onto her chest bobbing up and down like a wave in the ocean but higher and higher as she expanded even bigger than Rouge her nipples tingling from the plush carpet Cream yelped in pleasure nearly nude in just her underwear which seemed tighter but she was far too engrosed with Tails scent in the air to take notice.

Tails seeig how huge Cream had become started yet another growth spurt his penis had become so large that it was curving inside the near bursting pyjamas, the bright red tip could be seen pushing it's way out of Tails's collar the zipper straining all the way tighter with each pump of his heart the stubbrn zipper refused to let go,
*SHHHRIP!* the zipper was no more and Tails massive dick heavily flopped to the ground still motst from his own fluids.

The two overgrown children had realised what had caused their growth spurts, eachother.
Bouncing closer Cream placed her full sized breasts on Tails huge boner face to dick she licked it which caused an even greater growth for both, her panties were tightning as her rear and hips plumped up fuller and rounder giving her a wedgie,
Cream wiggled her growing curves seductively gaining a extremely large hourglass figure that would look big even on an adult
Tails figited as his testicles grew swelling larger by the second filling with potent seed,
The enormous cubs had reached their limits then as if on cue both began spurting like guysers,
milk and cum was splattering every whichway covering the room in a sticky white mess it seemed endless.
After what seemed like forever the flow of fluids was coming to a stop and underneath the sea of white were the two cubs
"I win!" Cream chearfully shouted splashing up from the mixed goo "What kinda game was that!?" panted Tails 
Cream laughed "It's called growpokes!(at least that what mom says...)" then she tasted some of the mess
"I guess you win too" the two laughed showing off their still grown bodies "We grew up, all because we were togeather?"
said Tails poking at his bloated cock Cream gave him a mischivious smile "Wanna play again?"