Power flowed through Brandy's veins, and it felt good. She stretched herself out, back arched as she lifted her arms up high and shook off a cramp she didn't even know she had. Her muscles tingled with the energy that flowed from Honey's fingertips. Honey poured energy into her until she felt fit to burst, and she was still busy taking Sparky's and Honey's cocks inside her, so she was very familiar with that feeling. She gasped as she felt fresh new patches of skin get stretched against thick cock, adding to the already dizzying pleasure. Her thighs grew and rubbed along Sparky's sides, firm muscle with a bit of padding perfect for squeezing Sparky so intensely that her moans broke up into excited, buzzing electrical crackles. Brandy couldn't help herself from grabbing Sparky's shoulders and pinning her down, forcing the Joltik to watch as Brandy grew, and grew, and grew.

"I'm dreaming," Sparky mewled as Brandy loomed over her. She blotted out the light from the glass above, and her sheer weight made the ground sag as she pressed Sparky into the ground. "And it's the best."

Brandy kissed Sparky, a pretty big and messy kiss with Sparky squirming around for air and giggling madly at the affection. Honey had gone a little crazy with her Growth Move, and Brandy had to be at least twice the size of Sparky now. Who was already a third of her normal size? So if you calculated that from Sparky's five foot, she was ... a third of five, but double so ... 

Uh.

Brandy was big right now! Real big. Huge even! 

It felt amazing to have all this latent power in her muscles, to wrap her hands all the way around Sparky's stomach and use her thumbs to knead Sparky's breasts. To be big enough to take Sparky and Honey simultaneously and still feel like she could fuck them both into the ground. It felt incredible, like her confidence had grown a few sizes with her. She wanted to show off, to prove to Sparky how much she loved giving her this moment.

Was this how Mercury felt like? Because it was a thrilling rush of power. 

Brandy smacked her lips together to blow Sparky and kiss before sliding her hands down to pick up Sparky's legs and wrapping them around Brandy's waist. It felt so easy to do, like Sparky was utterly powerless to resist her, and from the way the Joltik bit her bottom lip, she knew it, and she loved it. 

"It gets better," Brandy grinned, "I can do this now." Still holding Sparky's stomach, she picked her up off the ground and leaned back onto Honey's cock. The Appletun's muscles strained to take her weight as Brandy raised Sparky off the ground and used her like a living sex toy, slamming Sparky's cock deeper into herself as she bucked her hips to meet it. Actual sparks were flying as the pair cried out in surprise at the sheer intensity of Sparky being so deep. Growth didn't just make you bigger. It made everything bigger. Every touch, every thrust, and every step on the way to an orgasm.

Something this intense would have broken her even a few days ago, but right now, Brandy loved it. Fucking herself with Sparky as hard as the pair of them could stand, Honey's cock stirring her up from behind and adding some breath-taking moments of starry-eyed bliss when their cocks connected inside her. The soft feeling of Sparky's curves and the comforting press of muscle from Honey, even if she was much lower down her body now. Brandy felt like a Pokémon, determined to find and share pleasure and strong enough she could do it effortlessly. 

Sparky was in a world of her own too, staring up adoringly at Brandy, sneaking licks of her giant body as she could until Brandy tipped her up and let her plant face first into Brandy's chest. She'd never had the biggest pair of breasts, but right now, she had enough to smother Sparky completely, and she would use that to its fullest.

"You two are loving this," Honey said proudly as she ran her hands over Brandy's stomach. She only had a little muscle there, but Honey felt it out anyway, the faint lines made bigger by size and giving something to slide across. "But you're not using your size to the best. You should pin her down to the ground."

Good advice. Brandy dropped Sparky down so her shoulders hit the ground. Grass and petals got stuck in her fur as she was scraped along the mud by Brandy's thrusts, Sparky clawing at the ground as she tried to stop herself from slipping out of Brandy from the sheer force of the fucking. 

"Oh shit, should I stop?" Brandy said as she noticed Sparky's desperate attempt to hold on. 

"Don't you dare!" Sparky said as she tried to lock her legs around Brandy's waist. Not a chance in her position. Brandy was just too big. "Tall ladies can fuck me up anytime!"

Well, that was very specific permission to give. Still, if anyone counted as a tall lady right now, it was Brandy, so she locked her hold on Sparky's legs and, with Honey's help, worked up a hip-banging rhythm along Sparky's length that had her moaning and panting from the sheer intensity of it. Her yellow fur was soaked with sweat, and her blue almost shone, almost a pure white from delight. Brandy was pretty sure a Pokémon couldn't evolve from being fucked just right, but if anyone was going to do it was Sparky right now. She was having a whole fantasy come to life. 

"Get her legs up." Honey said, "You're huge, and you can mating press her."

Honey had much more control of the situation than she probably should have, but Brandy was more than happy to oblige. She folded Sparky in half, shoulders dug into the dirt, and her lower body raised to the sky, legs kicked up into the air and held firm by Brandy's arms. It meant she didn't have to thrust any more. She let gravity do the work of scrambling Sparky's brains, letting her cock spear itself up through her insides and then bouncing off with a burst of power that left them both trembling.  

It didn't take long until she could feel Sparky's cock pulsing in her, a stark contrast to Honey, who was fucking her ass at a far lazier pace, more than happy to enjoy the show.

"Don't cum yet." Brandy said, staring into Sparky's eyes, "I want us to hit together."

"How are you not there already?" Sparky mewled, "This is fucking crazy in the best way!"

Getting to fulfill a fantasy made Brandy feel she was powerful enough to grant wishes. Ones with a hearty dose of friction and near-orgasmic bliss. Honey was doing her best to get Brandy there for Sparky, her thick cock was a lot less of a challenge with the changes in size, but she had the muscle to make it hit hard anyway. As Sparky hit deep, Honey was right there to meet her. Brandy wasn't even sure how it all fit. She would have bruises on her lungs after this, and every pained breath would be so worth it. 

"Almost. Just a bit longer." Brandy said as she bounced, feeling a charge build up inside and writhe around in her core, a ball of electric fire ready to explode with just the slightest bit more pressure.

She moaned as she felt Sparky's cock pulse inside of her, the sensation making her writhe as Sparky failed to hold herself back any longer. It was all too much for her to have a lady this large fucking her absolutely senseless with everything amplified from Growth. It showed how far Sparky had come as a Pokémon that she'd even lasted this long. 

"Feels so fucking good, Sparky. So fucking good, make me sing!" Brandy cried out as she slammed into her, shaking the earth as they shuddered in unison. The orgasm hit Brandy so hard that it probably broke Lea's no-violence rule. Sparks were sent shooting through her body as she quivered on the end of Sparky's cock, while Sparky wailed out an orgasm so high pitched the glass of the roof shook in its frame. Her fur was alight with electricity as her muscles spasmed, and she painted Brandy's insides with a truly incredible amount of cum. Bigger balls made much bigger messes.

Brandy collapsed to the ground while Sparky's cock still twitched inside of her, floating in a blissful afterglow as she lay on Sparky's chest, both of them breathing as they held each other for support.

"That's what I like to see." Honey grinned, "You both out of your minds with pleasure."

Sparky and Brandy mumbled some agreement and gave each other sweet kisses. Or as sweet as kisses could be when one person was nearly double the size and on a colossal power rush. Brandy was soon using her massive tongue to tease Sparky's mouth and make her squirm underneath her all over again, both too weak to continue but not so much they couldn't still enjoy it. 

Honey patted Brandy's ass. "And now you're all worn out. I'm going to enjoy this."

"You earned it." Brandy said, "Go crazy."

"Oh, I'm going to go slow and firm. I've always wanted to make a giant human squirm."

That sounded like a threat she could follow through on, and as Honey gripped Brandy's hips tight, Sparky looked up at her as smug as could be. "Yeah, squirm on top of me, Brandy. Squeeze me with those giant thighs."

"Shameless."

"Yeah," Sparky grinned, "But when I get everything I want, why shouldn't I be?"

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I think everyone's forgotten this is a gym test.