[COMMISSION FOR MeisterLi] Brains Over Brawn

Story by RamsusXIII on SoFurry

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#10 of Commission Stories

DISCLAIMER: THIS IS A COMMISSION! THIS MAY OR MAY NOT REFLECT MY PERSONAL INTERESTS!

Contains: F/f/f/f, growth, small muscle growth, some foot play, and dominance

My number 1 customer MeisterLi has commissioned me once again to bring you a small revenge tale starring his genius nerd mouse, Ayn.

This one dates back to her highschool days, where she has to deal with the torment of bullies. Having gotten fed up, she uses her genius to get some payback.

Ayn belongs to MeisterLi

Story was written by me.


Fat. Bubble butt. Thunder thighs. Nerd. Weirdo. Geek. Dork. Four-eyes. Shrimp. Runt. Shortstuff. Shortstack.

High school was never easy. At the top of the social food chain, you had to make and maintain an image. You had to stay in the limelight and be a celebrity of your peers. At the bottom of the social food chain, you had to endure mental, emotional, and even at times, physical abuse. Unfortunately for Ayn, this happened to be the case.

Ayn was a mouse: a short, pudgy, nerdy, eccentric mouse. She was hardly a social butterfly, quiet and shy. She kept mostly to herself, quiet and locked away, working on projects. She had amazing technological prowess. If it was mechanical or electronic in any shape or form, she was an expert with it. Even her glasses were made by her, firmly sat on her nose, round and heavy, with wires twirled around the sides to feed information and power to the little display she included into them. Denim shorts, a yellow tank-top and a green open padded jacket all hugged her curvy form pretty tight, more for warmth than to look sexy. Her fur was a mix of brighter and darker brown tones, about a third of her body covered in darker fur, it looked almost like a burn of sorts, but it made her seem a little stranger than she would've liked. Her appearance and personality made her a prime target for bullies, more so the ones she clumsily came across.

It happened on one fateful day during a lunch period. Ayn saw fit to get herself some food. After gathering what she wanted on her tray, she turned and stepped on the foot of another student, causing her to crash right into them, spilling her tray over them both. Ayn had both bumped into and stomped on the foot of the tallest and most athletic girl in school, Elizabeth Lee, a dark haired fair skinned human who was queen of sports at the high school, captain of every girl's team including the newly found female wrestling team. She stood at a whopping seven feet tall with a strong athletic figure, dwarfing the poor 5'2" mouse girl. Eliza sported a black sports midriff top with a pair of black shorts, showing off her long, powerful legs, all the way down to her large feet comfortably resting in a pair of expensive sandals; save for her right foot, in which Ayn's own fuzzy foot was firmly planted upon. It was safe to say Eliza wasn't pleased in the slightest.

Ayn slowly lifted her head to meet the angry gaze of the girl's own dark eyes, "Erm...ah...sorry Elizabeth! I'll clean it up I promise---eek!" Ayn yelped as she was promptly shoved backwards by Eliza's hand pushing against her head, causing Ayn to stumble over and land on her rear with a wince.

"Could you do me a favor and explain to me why I'm covered in today's special and why there's a throbbing pain in my foot?" Eliza asked as she glared down at Ayn. Both girls' clothing were stained by the messy food, even worse was that Eliza was someone you wouldn't want to even look at funny.

Ayn gulped, "It...it was an accident! I didn't see you near me! Don't worry, give me a chance and I'll clean it up!"

"You mean to tell me that you have four eyes and you didn't see me?" Eliza bent down and grabbed at Ayn's jacket, pulling her up from AND off the floor to meet eye to eye, "You know what I think? I think you did it on purpose."

"N-no!" Ayn sputtered, her legs dangling freely while she was in Eliza's grip, "I would never! It was an accident! That's all it was!"

Elizabeth began to smirk and gently set Ayn down, patting her on the head, "You know what big ears? You may be a dork with stupid clumsy feet, but I think we're going about this the wrong way. Come, let's take a walk and have a little chat. Just you and me, away from all these peering eyes that are ready to spew gossip."

Ayn gulped again, feeling even more uneasy than when she thought Eliza was going to beat her up. When bullies try to get all friendly with you all of a sudden, it never goes well. "I don't think that's necessary. I mean really...I-I could clean it up."

"Oh never mind the mess, I just want to talk, just you and me," Eliza said with a grin, leading Ayn out of the cafeteria to the outside eating area. She walked Ayn over near a bench before smiling down to her, "I just want you to know, there aren't any hard feelings between us, but from now on, I'm going to make your life a living hell."

Before Ayn could speak or react, she found herself lifted up off her feet again and flipped upside down to be dumped into the nearby trash can. Eliza then knocked it over and kicked it down an incline, sending Ayn rolling.

"Owowowowowowowowowow~" Ayn cried out as she was thrown for a nauseating ride, not to mention the smell of garbage filling her nostrils and the trash getting in her fur. She rolled and rolled until the can collided with a tree, bringing her to an abrupt and painful stop; from where she could hear Eliza laughing until she went back inside.

Ayn slowly crawled out from the trash can; stinky, gross, and feeling overall embarrassed and upset. She slowly stood up and adjusted her glasses with a frown, knowing full well this wasn't the end.

And she was right.


Day after day, Eliza and the co captains of the all girl wrestling team; Tiara the cheetah and Lisa the lizard saw fit to harass Ayn whenever they could: tripping her, knocking her over, playing practical jokes, snatching her stuff and holding them out of reach, shoving her around between them, and so many other things that she had hit a breaking point.

She decided to fight back once and for all.

She had an idea.

It was one day in the hall after making fun of her, Ayn angrily pointed at the trio and raised her voice, "I'm tired of you...you BITCHES picking on me and embarrassing me. Now I'm going to return the favor! On Monday, I challenge you three to a wrestling match in the gym after school! If I win, you three better stop bullying me and anyone else."

The trio roared with laughter before Eliza finally calmed down to reply, "Oh? And what happens if we win?"

"Don't be ridiculous, Liz. She's totally lost her mind," said Tiara.

"Totally. We must have knocked a screw loose or something. There's no way she can be serious. She couldn't beat a fly let alone us," Lisa added.

"I'm completely serious. And if you guys win, then I'll do whatever you three want for the rest of the school year," said Ayn.

Eliza tittered with a toss of her hair, approaching the mouse and staring down at her, "You've got a deal. And believe me, this is the worst mistake of your life."

They both shook on it, Eliza purposely squeezing Ayn's hand, causing her to yelp with a wince. The trio laughed once again and left to go about their business, not worried one bit about what Ayn had planned. Eliza expected Ayn to skip town over the weekend or transfer to another school; for what reason would this nerdy little mouse have to make such a ridiculous deal?

Ayn's eyes narrowed behind her lenses; she had all weekend to prepare. She'll show those bullies whose boss.


Over the weekend while others were out being mall rats or partying with their friends, Ayn was hard at work on a project she was almost half done with: her "Muscle Belt". It was a simple, yet thick belt that when activated, would release powerful waves throughout the body to gift the user with high durability and super strength. The effects would only last about an hour, but that was more than enough time for what she needed. She would have all three girls beaten in record time. She might even be asked to join, and then she'll smugly decline.

All these thoughts had her laughing to herself, she'll show those bullies what for, and all will be at peace. An adjustment here, a little soldering there; it was honestly a lot of work, but working on her little projects was something she was highly proficient at. When Monday came, she would be ready.


Monday was the big day. It was like a huge event for much of the student body. There was a lot of buzz and gossip over Ayn's challenge, some were even taking bets. Of course the odds were certainly not in Ayn's favor, but some hopefuls took a chance on her. She may have been strange, but she certainly was intelligent. Those believers were sure she had a plan of action. The school day dragged on and on; for both the students and Eliza and her cronies. The trio had started coming up with ideas for Ayn as their slave, as if they had already won. They weren't worried in the least.

But finally, the moment they all waited for had come, the glorious ringing of the final school bell, signaling the end of the day. All interested parties mobbed into the gymnasium, the trio was changing and getting warmed up in the girls' locker room. Ayn was in the locker room meant for opposing teams, changing into her P.E outfit and making some final preparations in her solitude. She tested the belt numerous times, but gave it another go, activating the belt and biting down on her lower lip as she felt those vibrating waves course through her body. It felt good, she had to admit, she could feel the power filling up in her body, and it was incredible.

She walked over to a nearby weight lifting bench and decided to give it another go. Using one hand, she wrapped her small but dexterous fingers around the handle of a 200lbs barbell that was mostly unused, and lifted it with hardly a grunt of effort on her part. She hoisted the thing high above her head and even pumped it a few times with a satisfied smirk before setting it down. She was ready.

The gym echoed with the chatter and excitement of the students as the trio stood at the end of one large padded blue mat. They all sported the same gear, a sports top that exposed their strong stomachs with a pair of short tights along with elbow pads and knee pads for protection. They opted to go barefoot and they all stood patiently with amusement, waiting for their opponent to come out of her locker room.

"Think she'll show?" Lisa asked.

"Yeah right, she probably chickened out and snuck off home or something," said Tiara.

"If that's the case, not only does she lose by forfeit. She'll have to deal with one pissed off crowd," said Eliza as she looked to the anxious students watching in the stands.

It would only be a few more moments of waiting before Ayn showed herself; greeted with both cheers and jeers from the observing crowds. She calmly approached the mat, looking over to her opponents. "So who am I facing first?" She asked with unusual confidence. Ayn's newfound boldness didn't immediately faze the trio, as they all reached the same conclusion that Ayn was merely bluffing.

Lisa, being the shortest at five foot ten, stepped forward, "I'll make this quick. This should be fairer, I'm the closest you'll get to your size...though maybe not your weight class," the lizard laughed while pointing to the mouse's stomach.

"Less than a minute," Ayn said.

"What?" Lisa asked.

"I'll have you down in under a minute. Less than 30 seconds. I calculate a minimum of 15 seconds to a maximum of roughly 23," Ayn replied.

Lisa narrowed her eyes before blinking them a few times, "Okay, you've gone crazy."

"Don't let that runt get in your head, Lisa!" Tiara roared out, "She's just bluffing. Hurry up we don't have all day!"

"Right right," said Lisa, taking her place on the mat and moving into a ready stance, "I'll crush this little mousie."

Ayn readied herself as well, grinning inwardly while waiting for the signal. Once they were cleared to begin, Lisa lunged in to grapple Ayn, but much to the lizard's surprise, Ayn was faster than she looked, ducking out from underneath Lisa's reach to maneuver behind her and grip her hips. Ayn then summoned a surge of strength; the belt's waves rippling through her body to lifting the lizard off her feet. Her muscles hardened and bulged lightly against her clothes, the power welling up within her to give her the strength she needed. Ayn's strength increase proved greater than she expected, accidentally tossing Lisa up about six feet into the air over her head, causing the lizard to flip over in the air and crash face down onto the mat.

The mouse was just as surprised as everyone else, including Elizabeth and Tiara. Lisa was downed, both dazed and confused as Ayn rolled her over and pinned her down for a three count. She sat her now plump and muscley rear down upon Lisa's stomach, adjusting her glasses and looking over to the renaming two, "It looks like my calculations were off. That was less than 15 seconds," Ayn said proudly. Though she was curious where that improved strength came from, she tested the belt numerous times; how could she overshoot it like that? She wanted to beat the bullies at their own game, but not hurt them...too much.

The crowd's silence came to an end and now erupted in a loud chorus of cheers, more and more students now in Ayn's favor. They weren't sure how she did it, but they were extremely happy with what they saw. The only ones that weren't pleased were the ones that got Ayn into this mess.

The mouse stood up and pointed to the remaining two, smiling, "So which one of you two are next?"

This time, both girls were hesitant. They couldn't believe she was capable of a superhuman feat such as that. For the first time in her life, Eliza felt uneasy; no wonder Ayn was so confident. She had some kind of secret. Maybe she was some kind of martial arts expert and she was just keeping it all to herself. It wasn't only that, something seemed different about Ayn on a whole; maybe her eyes were playing tricks, but the mouse girl seemed...bigger for some reason. She had to figure this out. Eliza slapped the cheetah on the back, leaning in slightly to the 6'2" feline to whisper to her.

"Don't worry, you've got this. Lisa was a short, lightweight anyway. You're bigger, heavier and faster. Just take the little bitch down," Eliza encouraged.

Tiara hesitated for a moment, sizing Ayn up before nodding. She could take this mouse; she was higher up on the food chain. She took a deep breath and moved into position on the mat while Ayn moved to her own spot. She turned and faced the cheetah, moving into a ready position, but was unable to help but feel something was different. The feline was always taller, and she was taller still, but Ayn found herself not looking up to her as much as she had to before. Tiara seemed shorter than she used to be.

Once Eliza dragged Lisa off the mat, the signal to begin was given. Ayn snapped to attention and rushed in to tackle and take Tiara down quickly, but the cheetah was one step ahead, circling around the charging mouse and wrapping her arms around Ayn's middle, lifting her up and then taking her down to the mat face down. Tiara kept her arms locked tight around the mouse and pressed her weight onto her. The cheetah maintained her grip while sitting up upon Ayn and pulling upwards to strain the mouse girl's torso muscles. Tiara was intending on getting Ayn to submit to her.

"Gotcha!" Tiara yelled as she pulled on Ayn, "You may as well just give up! There's no getting out of this!"

Ayn struggled in Tiara's grip, groaning and crying out in pain as she felt her back and abs stretch in ways they weren't meant to, but still she wasn't giving up that easily. Tiara felt it wouldn't be too long now, she wouldn't apply too much pressure, but she planned on keeping it locked tight enough where Ayn would give in from too much pain, or pass out from it.

All until the cheetah felt something strange; something unusual. She could feel Ayn's body's shaking, her muscles rippling with power and next came something she couldn't believe was happening. Ayn's body started to swell larger in her grip, the mouse girl's body expanding in between her arms, effectively loosening the hold Tiara had on her.

"What are you doing?!" The cheetah cried out as she both saw and felt Ayn starting to grow underneath her. Ayn's body steadily grew in size, swelling bigger and bigger until Tiara could no longer maintain her grip as her arms were forcefully pulled apart by the mouse's expanding body. The crowds and Eliza looked on in awe, confusion, horror and surprise. Ayn was growing in size right in front of their eyes.

Ayn herself didn't realize it yet, trying to make most of the opportunity to roll over, knocking Tiara over and rolling her enlarging brown furred body over the cheetah like a living steamroller. It was when she got up to her feet she noticed the changing perspective; everything around her looking smaller in scope. She looked down to her body and her hands as she watched herself gain height inch by inch, even noticing that Eliza herself was looking UP at Ayn now, already eight and a half feet in height and still growing. She couldn't understand how the belt was causing this, she tested it numerous times; this would certainly need a lot of study, she was mostly happy that her clothes were growing with her.

Tiara slowly stood to her feet as she came to her senses and looked up in horror at the Amazonian mouse. Ayn was now bigger than any other person she...well anyone...has ever seen, and even worse, Ayn was still growing, shooting up inch by inch. And she wasn't just getting tall, she was getting BIG, all in perfect proportion, which made her look even bigger in perspective.

And the bigger she became, the more her worries faded. Ayn took her attention from herself to Tiara and Eliza, watching their eyes go wide in fear. This was exactly what she wanted to see, these bullies giving the same look others gave to them. She focused on Tiara, the cheetah looking tinier by the second as she was now level with Ayn's stomach.

"Hey, we still have a match to finish," Ayn teased, moving closer to Tiara and pressing her enlarging body up against the feline.

Tiara cried out in panic as she felt Ayn's increasing weight pushing back against her. She couldn't help but struggle, trying to push back against Ayn, burying her handpaws into Ayn's belly and pushing with all her strength. But Ayn just kept leaning...and leaning...and leaning, until Tiara was forced to fall backwards with Ayn's growing body landing on top of her, effectively pinning the cheetah under her large body and powerful weight.

Ayn merely giggled, propping her head up on one hand as she delighted in the so called bully squirming underneath her, "So let's see. That's one...two...and three." She counted the pin and glanced over to Eliza, "Looks like I win this one," she said rather casually, letting a few more moments linger before she got up off of Tiara who immediately began gasping for air.

Tiara scrambled off the mat over to Eliza and Lisa, fur all frizzed out and worse for wear, "Oh gods I thought she was going to smoosh me or something."

"If she keeps getting bigger, she might smoosh all of us!" Lisa yelled out as she pointed to Ayn.

Ayn stood at the center of the mat grinning down to the three, relishing in that growth. She felt those waves build up within her and spread outward, going through her entire body and causing her to grow in size. It tickled and tingled everywhere and felt absolutely incredible. She wasn't concerned about neither the causes nor the aftermath; she was concerned about the now. She hugged herself as she grew and grew, already 20ft and still climbing, the pacing of her growth starting to quicken.

The crowds started to disperse from the stands; Ayn's growing going from a sight to behold to something dangerous when her head hit the ceiling and didn't stop there. She merely lifted her hands and pressed them up against the roof, waiting for that next spurt that allowed her to push right through it, literally growing out of the gym.

Eliza and her co-captains already made a run for it, joining in the crowds in the screaming and shouting, but mainly wanting to get as far away as possible. The gym was separated from the school, so they couldn't immediately duck into the school and try to lose her in the halls, especially while trying to deal with the traffic of students tried to get away.

"Hey Elizabeth!" Ayn called out, her voice echoing through the air, "We still have a match!" She giggled as she started to give chase, carelessly crashing through the walls of the gym. Her legs swung through the building with hardly a worry. Even though she was only currently 50ft tall (and still rising), her body had been strengthened beyond expectations. Her toes tore through the locker rooms as she swung her foot forward with another step, her pink pads crashing down upon lockers and benches with crushing force as they provided no resistance to her superhuman self.

"For god's sake, why does she keep getting bigger?!" Lisa cried out.

"Just shut your mouth and keep running!" Tiara yelled out, "Hey Eliza! Wait up we can't run as fast as you!"

"Every person for themselves!" Eliza called back while she ran for dear life.

Unfortunately for the three, they had a difficult time trying to escape from Ayn. The giant growing mouse girl was hot on their heels; her enlarging, heavy feet crashing down on the ground behind them with body rattling thuds. Deep imprints of her feet were left where she stepped as she gave chase, not that it took much effort on her part at all.

Ayn had quickly grown bored of the chase, and wasn't willing to gather any more attention than she already have should they have made it off campus. She planted her foot down in front of the girls to block off their escape, but Eliza was quick enough to pivot and change direction. The same couldn't have been said for her co-captains as they collided into the brown furred obstacle.

"Guess all those athletics didn't do you any good huh?" Ayn snickered as she raised her foot and planted it firmly on top of the two, pinning them flat underneath as she bent down and reached for the fleeing Eliza; curling her furred digits around the human before she could get away and hoisted her up to eye level.

"No! No! Please!" Eliza pleaded, squirming wildly in Ayn's grip, "Hey! Look! I'm sorry! Don't hurt me! I won't bully anyone anymore, I promise!" Eliza feared the worst, thinking of all the things this gigantic mousegirl could do to her; fears made even worse as she felt those fingers grow around and against her. What was Ayn going to do in revenge? Crush her like a bug? Eat her? Something worse?

"Hmmm..." Ayn pursed her lips in thought. She figured at this point the girls have had enough, between the pair squirming underneath her foot and the one wriggling in her grip, these girls would certainly think twice about picking on others. "Well I don't know if you're reeeally sorry, but I'll make a deal with you."

Ayn lowered Eliza down to the very foot Lisa and Tiara were trapped under. She flipped the girl upside down and held her by her legs, lowering her face just above an enormous, boulderous toe. "Kiss my toe, Elizabeth."

"You want me to do WHAT?!" Eliza shot back.

"Kiss my foot, unless you rather I do something more unpleasant to you," Ayn teased.

"Okay! Okay! I'll kiss your stinkin' foot! Just don't...hurt me," Eliza whimpered, never feeling so vulnerable, helpless and humiliated all her life. She shut her eyes and pursed her lips, stretching her neck and pressing her face into the fuzz of Ayn's toe to kiss at the flesh underneath, "There! I did it! Now let me go, please!"

"Mm...well there's just one more thing left," Ayn murmured as she lifted Eliza up while reaching for a nearby trash can, pinching it between two fingers as lightly as a 100ft mouse could and picked it up. She held the girl over the can and dropped her in, "One final lesson, a taste of your own medicine!" She dropped the can on its side with Eliza trapped in it and gave it a playful flick, sending the can bouncing and rolling along it collided with a tree. Her actions were met with applause by the student body that stood around to watch, which relatively surprised Ayn, causing her to blush and smile nervously, having now been brought back into reality. Ayn found herself topped out at about 100ft in size and no bigger. The growth had finally stopped and she was bigger than she had ever been in her life. She supposed her invention was a success, improving her strength as planned, just with additional side effects.

Satisfied with her victory, Ayn lifted her foot off of Lisa and Tiara, who immediately began to gasp in fresh air; having been stuck in a veritable cloud of mouse musk and baking sweat over the past few minutes. She picked them up in her hands despite their protests while going over to collect Eliza as well and deposited all three of them before the student body.

"Now I want all three of you to apologize to the students and tell them you won't be bullying them or anyone else ever again, or else," Ayn said, stressing the "or else" in a deeper tone of voice. The trio did what they were ordered to in fear of what Ayn might do to them if they crossed her; Eliza especially, groveling for forgiveness.


All was well since then; students never had to worry about bullies, Eliza and her cohorts turned into the some of the nicest people, and Ayn was highly respected by others. Unfortunately, Ayn was suspended from school for destruction of school property, but it was all worth it to prove brains easily beat out brawn. In addition to that, it gave her plenty of time to figure how to undo the effects of the belt, as she remained 100ft in height even after removing it.