From Boss to Bimbo: A My Bimbo Academia Side Story
From Boss to Bimbo: A My Bimbo Academia Side Story
Chapter 1
by eGXtreme
Stage 1: The Iron Lady
Haruka Matsumoto was feared throughout the Zenith Corporation building. As the Chief Financial Officer, she ruled her department with an iron fist and a razor-sharp tongue. At 32, she had clawed her way to the executive floor through sheer ruthlessness, leaving behind a trail of broken careers and tear-stained resignations.
"These quarterly projections are absolute garbage," she snapped, slapping the report onto her assistant's desk. "Tell Tanaka his team needs to redo them by tomorrow morning or they can all update their résumés."
Her assistant, Mei, nodded quickly, avoiding eye contact. Everyone knew making eye contact with Haruka when she was angry was like staring down a cobra.
Haruka strode back to her office, her navy blue pencil skirt hugging her slim hips, her white blouse buttoned to the collar. Her black hair was pulled into a severe bun so tight it gave the impression of a facelift. Not a strand dared to fall out of place, just as no employee dared to disappoint her twice.
Her office was immaculate – minimalist furniture in black and chrome, not a single personal item or photograph to suggest she had a life outside these walls. The only decorative elements were her framed business degrees and a crystal award for "Executive of the Year."
Haruka's appearance matched her office's severity. Her face was all sharp angles, accentuated by subtle, professional makeup applied with mathematical precision. Her lips were always painted a muted burgundy, her eyes lined just enough to appear alert but not provocative. She wore minimal jewelry – small pearl earrings and a sleek silver watch that cost more than her assistant's monthly salary. Her nails were manicured in clear polish, cut short for efficient typing. She stood 5'6" in her sensible two-inch heels, her body toned from dawn workouts but deliberately de-emphasized by her conservative clothing.
That evening, as Haruka worked late as usual, she heard commotion in the streets below. Annoyed by the distraction, she walked to her window and looked down. Some kind of celebration or demonstration was taking place – people dancing and embracing in the streets. Pink sparkles seemed to float through the air like pollen.
"Idiots," she muttered, closing her blinds. But a tiny pink spark had already drifted through her slightly open window, landing on her hand without her noticing.
That night, she fell asleep at her usual time of 10:30 PM, after reviewing contracts for exactly 90 minutes. She didn't notice the faint pink glow emanating from her skin as the bimbo quirk began its work.
Stage 2: Cracks in the Façade
Haruka's alarm went off at 5:00 AM as always, but instead of immediately rising, she hit snooze – something she had never done before. When she finally dragged herself out of bed twenty minutes later, she felt strangely... good. Relaxed, even.
In the bathroom, she stared at her reflection, tilting her head curiously. Had her lips always been this full? And her hair seemed... bouncier somehow. She attempted her usual severe bun but found herself frustrated when it wouldn't stay as tight as usual. After several attempts, she settled for a high ponytail instead.
"Whatever," she said aloud, then covered her mouth in shock. She never said "whatever." It was imprecise and juvenile.
At work, her staff noticed the changes immediately. The ponytail, the slightly looser fit of her blouse, and most shockingly – she had missed a button, revealing the slightest hint of cleavage.
"Mei, get me the Nakamura file," she said, then added, "please," causing her assistant to nearly drop her coffee.
In her office, Haruka found herself unable to focus on spreadsheets. Her eyes kept drifting to the window, to the blue sky outside. Twice she caught herself doodling on important documents – little hearts and stars in the margins.
During the afternoon budget meeting, she crossed and uncrossed her legs repeatedly, feeling strangely confined in her pencil skirt. When the marketing director made a bad joke, she actually giggled – a light, feminine sound that made everyone at the table freeze in shock.
"Did you just... laugh?" asked the bewildered director.
"I guess it was kinda funny," she replied, then frowned at her own words. Kinda? She never used such informal language.
By the end of the day, the changes were becoming more noticeable. Her hair had lightened several shades, now showing distinct caramel highlights. Her lips seemed permanently pouty, and her normally sharp gaze had softened into something more dreamy.
Her body was changing too. Her breasts strained slightly against her blouse, and her hips seemed to sway more as she walked. When she got home that night, she was shocked to find herself tossing her sensible pumps aside and digging through her closet until she found a pair of high heels she'd been given as a gift years ago and never worn.
"These are like, so much cuter," she said, then clapped her hand over her mouth again. What was happening to her vocabulary?
Looking at herself in her full-length mirror, Haruka took inventory of the changes. Her hair, now in loose waves with caramel highlights, fell to just below her shoulders. Her face had softened, cheekbones less severe, lips fuller and naturally pink. Her eyes seemed larger, the lashes longer. Her makeup, which she'd reapplied at lunch, was somehow brighter – more blush, more eyeshadow than she would normally wear.
Her body had definitely changed. Her breasts had grown at least a cup size, straining against her conservative bra. Her waist seemed smaller, her hips and buttocks more pronounced, creating a more hourglass shape than her previously athletic build. Even her nails, which she always kept short and clear, had somehow grown overnight and now sported a pale pink polish she definitely hadn't applied.
"This is... weird," she said to herself, but didn't feel particularly alarmed. In fact, she felt good. Really good. She smiled at her reflection and was surprised at how pretty she looked when she smiled.
That night, instead of reviewing contracts, she found herself flipping through a fashion magazine she didn't remember purchasing, circling outfits she thought would look "totally cute" on her.
Stage 3: The Complete Bimbo
Haruka's alarm blared at 5:00 AM, but she just giggled and hit snooze five times. When she finally rolled out of bed at 7:30, she didn't even panic about being late.
"Omigod, like, who even cares about stupid meetings and stuff?" she said to herself, then giggled. "Tee-hee! My voice sounds so funny now!"
She bounced to the bathroom, her now-massive breasts jiggling with each step. The woman in the mirror barely resembled the stern CFO of two days ago. Her hair had transformed into long, platinum blonde waves with hot pink highlights, cascading down to the middle of her back. Her face was a masterpiece of exaggerated femininity – plump, glossy lips in bright pink, dramatic cat-eye liner, false lashes so long they almost touched her eyebrows, and cheeks with perpetual rosy blush.
"Hiiii there, sexy!" she cooed at her reflection, blowing herself a kiss and then dissolving into giggles. "Tee-hee-hee! I'm like, suuuper pretty now!"
Her body had completed its transformation overnight. Her breasts had swollen to cartoonish proportions, round and impossibly perky. Her waist had shrunk to a tiny circumference while her hips and buttocks had expanded dramatically, creating an exaggerated hourglass that would be physically impossible without the effects of the bimbo quirk. Her legs had somehow lengthened and toned, perfect for the six-inch stiletto heels she now felt compelled to wear.
Even her ordinary apartment had transformed. Her sensible furniture was now pink and frilly. Her bookshelves, once filled with business texts and economics journals, now displayed romance novels, fashion magazines, and an alarming number of dildos and vibrators in various colors and sizes.
"Oooh! I should totally play with Mr. Buzzy before work! Tee-hee-hee!" she exclaimed, grabbing a hot pink vibrator. "Or wait... was I supposed to go to work today? Hmm..."
She stood there, vibrator in hand, her perfectly manicured nails (now long, coffin-shaped and painted glossy pink with tiny gems) tapping against her pouty lip as she tried to remember.
"Something about... numbers? And like, yelling at people?" she attempted, then shrugged. "Whatever! Masturbating is way more important! Hee-hee-hee!"
She spent the next two hours pleasuring herself, moaning loudly and completely forgetting about Zenith Corporation. When her phone rang displaying "OFFICE" on the screen, she giggled and answered it while still touching herself.
"Helloooo?" she purred.
"Ms. Matsumoto? Are you okay? You missed the quarterly presentation!" Mei's voice sounded panicked.
"Oh em gee, Mei! I totally forgot! Tee-hee-hee! I was busy, like, fucking myself with this super big dildo and stuff!"
There was shocked silence on the other end.
"Ms. Matsumoto?"
"Oh, and like, don't call me Ms. Matsumoto anymore, kay? That's so boring! Call me Kiki! That's way cuter! Hee-hee!"
"Are... are you coming in today?"
Haruka – now Kiki – thought about it, her brow furrowing in concentration that quickly gave way to another fit of giggles.
"Umm, I wanna, but like, my pussy is sooooo wet right now, and I really need to go shopping for, like, cuter work clothes and stuff because all my old clothes are like, super boring and don't even show my boobies! Tee-hee-hee!"
She heard what sounded like Mei dropping the phone, then hurried whispers with someone else.
When she finally did arrive at the office – at 2 PM – the entire floor went silent. Gone was the severe business attire. "Kiki" wore a hot pink minidress that barely covered her ass, with a plunging neckline that showcased her enormous breasts. Her six-inch platform heels were clear with pink glitter embedded in them. She carried a tiny purse shaped like a heart, and enormous hoop earrings swung from her ears.
"Hiiiiii everyone!" she announced, bouncing into the office, her breasts threatening to spill out with each movement. "OMG, why is everyone staring? Do I have something on my face? Tee-hee-hee!"
The company president himself came out of his office, eyes wide with shock.
"Haruka? What on earth—"
"It's Kiki now, silly! Tee-hee! Haruka is like, such a serious name, and I'm not serious anymore! I just wanna have fun and get fucked and stuff!" She twirled, causing her tiny dress to flare up and reveal a hot pink thong.
The president tried to usher her into his office. "I think you need to take some time off. Are you ill?"
"I'm like, super duper healthy! Just really horny all the time now! Tee-hee-hee! Hey, your desk looks sturdy... wanna bend me over it and—"
She didn't finish her sentence because security was already being called.
As they escorted her out, she wasn't upset. She just giggled and blew kisses to the stunned employees.
"Bye everyone! I'm gonna go find some big cocks to suck now! Oops, did I say that out loud? Tee-hee-hee-hee!"
That evening, as she skipped down the street in her tiny dress and impossible heels, she passed a blonde woman in latex who watched her with a satisfied smile.
Kiki, of course, was too busy trying to remember where she lived to notice. She kept getting distracted by her own reflection in store windows.
"Oooh, I'm so pretty! Wait, where was I going? Oh yeah! To find some dick! No, wait... home! To get my dildos! No... um... Tee-hee-hee! I forgot again! Silly Kiki!"
She giggled and continued down the street, swaying her exaggerated hips, completely forgetting the driven, intelligent woman she'd been just days before – and not caring one bit.
What's next?
- No further chapters
- Add a new chapter
Disable your Ad Blocker! Thanks :)
From Boss to Bimbo: A My Bimbo Academia Side Story
Updated on Apr 11, 2025
Created on Apr 11, 2025
by eGXtreme
- All Comments
- Chapter Comments