Scootaloo Springs Up

by Cosmonaut

Small clothes

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“So, how’s it fittin’ ya, squirt?”

Dash smirked, watching Scootaloo fidgeting with the strap of her new bra. Or, sort of new. It used to belong to Dash last winter. Five days ago Dash had thought she was seeing some new developments under Scootaloo’s shirt while they were out jogging, and yesterday evening while they were doing sprints Scootaloo had finally complained about the growing discomfort under her shirt, much to Dash’s surprise. It was to her great amusement that Scootaloo perfectly filled out her old AA cup bra. It looked good on her too. In fact, Scootaloo had grown another inch since she last measured.

“It fits not so great, actually,” Scootaloo picked at the strap again, and played with her cups. “It fit great before. Does like, sweat make the bands get all weird?”

“Yeah… I never had a sports bra in that size. I would just bind my boobs with tape,” Dash raised an eyebrow at Scootaloo’s open mouthed reaction. “Not like, duct tape. Sports tape. Soft bandage things.”

“Is that comfier?” Scootaloo pulled on the strap. “I can feel it diggin’ into me Dash.”

Rainbow Dash nodded in the affirmative. “For the meantime, why don’t we do the binding. It’ll feel a little weird at first, but I guarantee it’s better than the walk-around bra you have on right now. C’mon, let’s go downstairs where I keep it. We need to do some lifting anyway.”

Scootaloo followed Dash downstairs, already unhooking the bra from the back, and slipping it off. It felt really tight and confining, far from the perfect fit it had been last night. The label on the inside read 32 AA. Maybe it shrank from the sweat.

Or, she was still growing.

“Found it, here,” Dash tossed the roll of tape over her shoulder at Scootaloo, who, while lost in thought, didn’t catch it in time, and it bounced off her forehead.

“Ow!” Scootaloo yelped, recoiling.

“C’mon Scoot its soft.”

“No, it uh, didn’t hurt Dash. I got startled,” explained Scootaloo, picking up the tape.

“Hehe, suuure you did,” Dash hauled some dumbbells off the rack, glancing at Scoot as she began binding her breasts back. Was it just her eyes playing tricks on her, or was Scootaloo looking really fit in this light? The hem of Scootaloo’s T-Shirt came up to just below her belly button, and the shifting of the fabric revealed flashes of her tanned light brown belly. There wasn’t an ounce of chub there! In fact, Scoot had the cut belly of somebody who’s never had sweets in her life. Dash glanced down at Scootaloo’s legs, her shorts coming up to mid-thigh now. Even her legs looked very defined, with outlines of her thigh muscles and solid looking calves.

“Damn, I am an amazing coach,” chuckled Dash, setting down the last of the weights for Scootaloo. Fifteen pounders to her thirties.

Scootaloo finished applying her binding tape. Straightening her shirt, she walked over to Dash seeking her approval.

“I think you may have put too much tape,” Dash said pointedly. “It’s making your boobs look almost two sizes bigger. Otherwise, good job. Shouldn’t come undone or anything.”

“Okay, that’s good,” Scootaloo flushed. There were only four bands of tape going around her chest front to back. “What’re we doing?”

“Arms today,” Dash picked up a set of weights for herself and seated herself on the bench. “Bis, Tris, Delts. All the arm groups, so we can build some muscle,” concluded Dash, her bicep bulging as she gave an exemplary curl of her weight.

“These are mine?” asked Scoot, placing her hand on the rubber end of the fifteens.

“Yup. Three sets of ten. Let’s go. Do as I do.”

Scootaloo seated herself on the bench next to her mentor. Copying the motion wasn’t difficult. It was a simple drop, and pull up routine. Immediately, she began pumping her weights in tune with Rainbow Dash. Inhale. Pull. Exhale. Drop. Simple exercise. The first set came and went with very mild difficulty as she got into the groove.

Sometime through the middle of her second set, Scootaloo realized her weights were feeling… too light. There wasn’t that much resistance in her arm when she was pulling back up. Scootaloo did a few more at a higher speed, but she was just not feeling the burn from these weights. It was like they weighed nothing in her grip. These were impossible to curl in her first week of strength training.

“Uhm, Dash. These dumbells aren’t good,” said Scootaloo, getting to her feet.

“What?” Dash grunted “Do you -grunt- mean?”

“I dunno. They feel too light. It doesn’t feel like I’m exercising. Let me get some heavier ones.”

Scootaloo walked over to the rack and put her weights back. Testing her threshold, she reached for a pair of thirty fives and grunted at their heavy weight. She couldn’t work with those, that’s for sure.

“Aim lower, Scoot,” Dash admonished, working through her last set.

The eighteens were too light as well. Scootaloo set them down and reached for a pair of twenty-twos. She curled them experimentally. Now these felt perfect! Scootaloo walked back to her bench to finish her workout.

Meanwhile, Rainbow Dash polished off the last of her reps, and studied Scootaloo's method. Or more specifically, her arms. They weren’t twig thin anymore that’s for sure, in fact, Dash could see real muscle bulging through Scootaloo’s arms with every rep. Each muscle swelled and flexed with every pump of her arms. Watching them was almost hypnotic. With every rep it almost seemed like they were getting even larger than before. It was a far cry from the twiggy little arms of when she first started.

“Now that’s progress!” exclaimed Dash, as Scootaloo completed the three sets with both arms. Let’s keep up with the rest.

After they finished all the exercises and stretches, Scootaloo joined Dash at the small square table for arm wrestling. Clasping their hands together, Dash could see up close the muscles in Scootaloo’s arm. They looked like the size of small lemons. Pretty big gains for nearly three weeks of intense exercise.

“ ONE, TWO, THREE, GO!” Dash barked, swiftly pinning Scootaloo’s arm down with a light thonk. Not as swift as last time. There was definitely more resistance.

“Darn it,” Scootaloo stuck out her tongue at the victorious Dash.

“We’ve just got to keep it up, Scootaloo, we’re making excellent progress. ” Dash stood up, and turned to go upstairs. The tightness in her chest was getting uncomfortable. It was time to drain them for the day.

“See you upstairs!” called Scootaloo, rushing herself to the kitchen. She was absolutely ravenous! In an instant, she’d found her portioned out box and gobbled it down, downing the whole container in less than two minutes. Throwing the fridge back open, Scootaloo found the small milk container and guzzled it in less than nine seconds.

“Aah,” smacking her lips, Scootaloo put the containers in the sink, rinsing them. As she did, her stomach groaned in protest.

Scootaloo patted her lean stomach. “How are you still hungry?”

More gurgling in response.

“Fiiiine. I can’t go to bed hungry anyway,” Scootaloo opened the fridge again, looking for the big dish of chicken Dash had grilled earlier in the day. It was supposed to be untouched until Dash portioned it out. Unfortunately, the gnawing hunger in her gut won over the idea of leaving it alone. Scootaloo wolfed down two big cutlets, and downed another container of that delicious milk. Now she felt better!

“All yours!” Dash yelled from her bedroom.

“Coming!” Scootaloo stuffed the second milk container into the dishwasher.

“I used all the hot water so prepare for a cold shower,” Dash said casually, sauntering into the kitchen, her skin flushing, and showing off plenty of cleavage in her robe.

Scootaloo was about to whine when she caught herself. “Are you messing with me?”

“Yup!” Dash snickered. “Waters fine, go right ahead!”

“I’m not falling for that anymore!” Scootaloo bounded past Dash, into the bathroom for her shower. She stripped down, kicking her shorts into the corner, followed by her sweaty t-shirt and her panties. Finally, she unraveled the tape binding her breasts back, reveling in the freedom. The vent in the ceiling whirred loudly, and before stepping into the shower, Scootaloo caught sight of herself in the full length mirror next to the towel rack.

Firm, strong legs tapered up to her waist, which, as she dragged her fingers up her thighs to her hips, were looking slightly wider than she remembered. Her smooth, flat stomach was a marvel. As she inspected that, Scootaloo swore she saw the faint outlines of her abdominals, then up to her breasts. Scootaloo cupped the undersides of both, hefting them up and down a little. They were incredibly soft, and had some weight to them. They filled out her palms just so, which was surprising, since they were so small a week ago. The overall color was slightly lighter than everywhere else, which was a nice contrast to her brown skin tone. At the crest of her dark brown areola were the two nubs of her nipples, which had stiffened from the cool air and sudden attention. Scootaloo played with them, giving the tender points a light pull and twist, eliciting a soft, sexy moan. Wanting to see her backside, she swiveled and bit her lip. Was her ass always this great looking? Her buttocks were tight and firm, curving nicely above her thighs, and the dimples above them added to the effect. Scootaloo gave the left cheek a squeeze and cooed at the sensation.

She was hot.

Scootaloo twisted the shower knob and jumped inside, spraying herself with the warm water. She soaped herself up, shampooed her short purple locks and then immediately resumed playing with herself, her eyes shut and thoughts drifting to Rainbow Dash. Instead of just massaging her clit, her other hand found itself at her breasts. Touching, squeezing, tugging; everything about them felt so good! Scootaloo gasped, pulling a nipple and squeezing her breast. She was close to finishing, very close. Her orgasm fast approaching, Scootaloo laid down in the tub to get better access to her heated slit, fingering herself madly and alternately playing with her nipples until finally, like a crushing tidal wave, her orgasm washed over her and throughout her entire body, the sensations pinballing back and forth. Scootaloo clenched her toes and began to scream in pleasure, managing to bite down on a washcloth to muffle herself as the orgasm rocketed through her body like a torpedo without a target.

Finally, the powerful sensations began to ebb away. Scootaloo gingerly got to her feet, rinsing herself off where she missed before her self-play. Scootaloo stepped out of the shower, quickly dried her hair and wrapped the towel around her body. The edge of the towel only reached her calves now. It was like a blanket her first week here. Another surprise caught Scootaloo’s eye before she left, was that with the towel tightly bound around her, she actually had cleavage on display! Not as amazing as Rainbow Dash, but cleavage nonetheless.

Scootaloo walked out of the bathroom feeling like a million bucks, eagerly looking forwards to what next week would be like for.

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