The Accidental Rebirth: The Troubles of a Three-Year-Old CEO

The Accidental Rebirth: The Troubles of a Three-Year-Old CEO

last updateLast Updated : 2025-04-30
By:  Crazy SnailUpdated just now
Language: English
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Takuto Kimura, 30 years old, a career elite, always dressed in a sharp suit, with his hair perfectly neat, looking like the lead character from《The Godfather》or《Yakuza Chronicles》. His daily life is a never-ending "battle": meetings, overtime, coffee to stay awake, and piles of reports. To outsiders, he is the epitome of a successful businessman, but inside, he's already overwhelmed by the pressure and suffocating under it. Every day, he finds himself thinking, "If only I could go back to being three years old, I wouldn’t have to deal with these damn files and KPIs." One late night, as he stares at his computer screen, drowning in self-doubt, fate suddenly gives him an unexpected "opportunity" “He is reborn, back to the age of three.”

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Chapter 1

Chapter 1: The Most Frustrated CEO in History Takes Office

When Takuto Kimura opened his eyes, the first thing he noticed was a strong, pungent smell of milk. He blinked, and instead of the familiar ceiling of his office, he saw rows of colorful cartoon stickers and crooked children's drawings.

“Where am I?” he tried to ask, but all that came out was a soft, pitiful “Ee-ya?”

Takuto: "......"

In horror, he looked down. Chubby, pudgy little fingers. A onesie with a smiling bear print. A suspicious squishy feeling around his backside. And the kicker? His legs didn’t touch the floor.

“Diaper?!” he screamed internally. “How is it that I’m the CEO of a publicly traded tech company, and I’m wearing a diaper?! I negotiated a merger while getting an endoscopy once. How did I end up here!?”

As if summoned by his silent agony, a bright, sing-songy voice chimed in.

"Ah, little Takuto is awake?" The caregiver, Yamada-sensei, who looked to be fresh out of college and full of condescending cheer, bustled over. “Nap time is over, time for a snack~”

No, no snack! Takuto’s brain screamed. I’m lactose intolerant!

But all he managed to say was, “Bwehhh…”

He pinched his own cheek, desperately. This had to be a dream, or maybe a psychotic break caused by overwork and too many low-carb protein bars. But the pain was real. The scratchy blanket. The cold floor. The deeply unsettling squelch from his diaper…

“This is real?!”

Yamada-sensei crouched down like a bomb squad technician. “Oh no, sweetie, are you hurting? Let’s check… Ohhh, you peed~ again~ That’s okay, that’s what diapers are for!”

No! No, it's not okay! I paid $3 million for a bathroom in my penthouse!

Before he could protest further, she laid him down and began expertly unfastening his diaper. “You’ll feel much better after a change!”

This… was his nightmare. This was worse than the investor Q&A sessions.

He tried to channel his inner Warren Buffet and deliver a calm, reasonable statement. “Listen. I need to contact my lawyer. Or the board. Just call the board. Or the Bank of Japan. Anyone.”

But all that emerged was a guttural, high-pitched: “Da-da-bwaaa!”

"Wow!" Yamada-sensei beamed. “He’s really getting talkative today. Such a smart little fella! Let’s put a star sticker on your chart!”

A star sticker. The last time someone gave him a star, it was a Forbes article titled “Tokyo’s Youngest Billionaire Maverick.” Now he was getting one for using the potty. Or… failing to.

After the traumatic diaper change—complete with unsolicited wet wipes in regions he had never before feared—Takuto was allowed to roam the classroom. He toddled unsteadily toward the activity area, determined to restore some dignity.

“I still have a mind sharper than a hedge fund manager,” he told himself. “I’ll prove it with something these toddlers can’t do—like urban development planning in block form.”

Spotting a table of wooden building blocks, he shoved aside a confused toddler and began work. In ten minutes, he had recreated a scale model of downtown Tokyo, complete with Shibuya Crossing and miniature signage using crayon fragments. A small audience of toddlers gathered in awe.

That’s right. Fear me, peasants.

Just as he placed the final block—the top of Tokyo Tower—his masterpiece was destroyed by a rampaging boy with mucus dripping off his upper lip like a war banner.

“THIS IS MY SPOT!” the boy bellowed, kicking through the structure like a kaiju on a sugar high.

Takuto was too stunned to respond at first. Then he stood up (well, waddled) and pointed his shaky finger. “You just destroyed 20 billion yen of real estate, you barbarian!”

“Bwaaaa!” is all anyone heard.

Yamada-sensei rushed over. After hearing the story from Mr. Snotzilla—who clearly had no sense of zoning regulations—she said sweetly to Takuto, “Now, now, little Takuto, you need to learn to share~

Share?! I’ve cornered six markets this year alone!

He was about to launch into a passionate rebuttal involving supply chains, profit margins, and intellectual property theft, but was instead handed a juice box.

At snack time, the indignities continued.

Takuto sat cross-legged on a tiny chair, surrounded by a gang of rowdy toddlers, being spoon-fed applesauce. Every time he refused a spoonful, Yamada-sensei made airplane noises until he finally gave in. And she dabbed his face with a bunny-shaped napkin every five seconds.

When he tried to crawl away, a little girl grabbed his hand.

"Takuto-chan, let’s play house! You be the baby!"

He opened his mouth to protest—he was already the baby, damn it!—but was promptly shoved into a cardboard box and told to cry realistically.

"Wow, he’s really good at this!" the girl giggled. "So real!"

Because IT IS REAL!

He sat in that box, stewing in existential despair. Somewhere out there, his company’s quarterly report was due. His assistant, Junko, must be panicking. What would the shareholders think? Was his disappearance on the news? Would they think he embezzled and fled to Tahiti?

“I’m literally stuck in a box,” he thought bitterly. “This is both figurative and literal commentary on corporate life.”

But the day’s horrors weren’t done.

Recess.

A deceptively cute word. In truth, recess was a gladiatorial arena where tricycles became weapons, sand was a strategic projectile, and monkey bars were the stuff of nightmares.

Takuto, still clinging to delusions of power, tried to organize the kids into a startup.

“Listen,” he declared, using alphabet blocks to sketch out a crude business plan. “We can monetize the sandbox. Supply-demand curve. Premium bucket access. Maybe sell fake gems. I need one crayon and five Play-Doh cans for seed funding.”

The toddlers stared at him.

Then one girl named Momo whispered, “He’s weird. Let’s bury him in the sandbox!”

What followed was ten minutes of being aggressively entombed under sand by children who took disturbing pleasure in patting it down.

Yamada-sensei eventually rescued him, but not before a boy peed near the excavation site. That boy, for reasons unknown, would later be elected “Class President” in a unanimous vote.

Democracy is a lie, Takuto thought.

Later that day, during “Quiet Reading Time” (which was neither quiet nor involved much reading), Takuto tried to escape. He had a plan: sneak out through the pet door used for the class bunny.

The moment he managed to wedge his head through it, however, he got stuck—legs flailing inside the classroom, head and torso out in the hallway like a strange preschool-themed art installation. He heard a gasp.

“Takuto?!” came a voice.

A familiar voice.

It was Junko, his long-suffering executive assistant.

She stared at him. He stared at her. Neither moved.

Then she burst out laughing.

“You look adorable,” she said between snorts. “Nice bear onesie, boss.”

“I will fire you so hard,” he tried to say.

But what she heard was, “Bwee-wee-daa!”

Yamada-sensei popped out next to him. “Oh, are you his sister?”

“Sister?” Junko blinked. “I’m… sort of his handler.”

“Well, Takuto’s made so much progress today! He even said ‘da-da’ and shared his blocks!”

Junko pulled out her phone, already recording. “Oh, this is going in the annual company slideshow.”

The moment Takuto was unstuck and dragged back in, he wept softly into a plush Pikachu. This… was his life now. No stock options. No espresso machines. Just naps, milk, and the tyranny of the sticker chart.


One Month Later

Inexplicably, Takuto remained in toddler form. No amount of lawyers, therapists, or exorcists could explain it.

He had tried everything to escape. Climbing out windows. Sending Morse code with juice spills. Once, he even smuggled a letter out via finger painting—but it was hung on the class wall with a gold star and the caption “Modern Abstract.”

Eventually, he gave in.

He became top of the sticker chart. He ruled over snack trades like a shadowy back-alley broker. He even figured out how to program basic code using Etch-A-Sketch and bribed the older kids with animal crackers to form a mini-IT team.

They called it “TotTech.”

One day, Junko visited again and leaned over the crib where he now slept peacefully between strategy meetings.

“You know, boss,” she whispered, “You’re actually less terrifying as a baby.”

Takuto slowly turned his head, eyes full of warning.

She handed him a pacifier with a smirk. “Don’t worry. When you’re back to normal, I’ll pretend none of this happened.”

Then she showed him a baby-blue onesie with the embroidered words:

“Best CEO—Chief Executive Offspring.”

He screamed.

It came out as a giggle.

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52 Chapters
Chapter 1: The Most Frustrated CEO in History Takes Office
When Takuto Kimura opened his eyes, the first thing he noticed was a strong, pungent smell of milk. He blinked, and instead of the familiar ceiling of his office, he saw rows of colorful cartoon stickers and crooked children's drawings.“Where am I?” he tried to ask, but all that came out was a soft, pitiful “Ee-ya?”Takuto: "......"In horror, he looked down. Chubby, pudgy little fingers. A onesie with a smiling bear print. A suspicious squishy feeling around his backside. And the kicker? His legs didn’t touch the floor.“Diaper?!” he screamed internally. “How is it that I’m the CEO of a publicly traded tech company, and I’m wearing a diaper?! I negotiated a merger while getting an endoscopy once. How did I end up here!?”As if summoned by his silent agony, a bright, sing-songy voice chimed in."Ah, little Takuto is awake?" The caregiver, Yamada-sensei, who looked to be fresh out of college and full of condescending cheer, bustled over. “Nap time is over, time for a snack~”No, no sn
last updateLast Updated : 2025-03-25
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Chapter 2: Building an Empire from the Sandbox
During snack time, Takuto Kimura sat in a child-sized plastic chair, mechanically chewing small pieces of apple like they were yesterday’s stock report. His chubby fingers gripped a sippy cup of warm milk, and though he looked like any other three-year-old, behind those round cheeks and tiny feet lived the calculating mind of a corporate shark.Since escaping his baby body was proving more difficult than an IPO in a recession, Takuto decided to embrace the situation. He had once risen from intern to CEO in under five years. Surely, he could rise to the top of this preschool's power structure even faster. After all, this tiny society lacked basic market efficiency, no barriers to entry, and almost zero competition. It was ripe for disruption.His eyes sparkled—okay, twinkled cutely—at the idea.It all started during outdoor playtime.As the kids ran out to the sandbox, a cloud of glitter and chaos followed. There were tricycles crashing like bumper cars, screaming toddlers chasing each
last updateLast Updated : 2025-03-28
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Chapter 3: Diapers & Digital Transformation: A Compatibility Crisis
Takuto Kimura had seen many dark days in business.He had survived hostile takeovers, market crashes, and that one time the coffee machine in the office broke and the interns tried to replace it with herbal tea. But nothing—nothing—could compare to the tragedy of watching a brand-new iPhone slowly sink into a puddle of warm baby pee inside a toy tent shaped like a cartoon dinosaur.Moments earlier, it had all seemed so promising.“Finally! A chance to contact the outside world!” Takuto whispered, eyes gleaming with desperate hope as he cradled his mother’s smartphone like it was the Holy Grail. He had found it hidden in her wallet, nestled between loyalty cards and old tissues—clearly underestimating her digital defense strategy.He darted into the nearby toy tent like a tiny fugitive, hands trembling with excitement. “If I can just contact Vice President Nakajima, I can initiate a covert operation to restore my adult body!”Pointing the phone’s camera at his squishy, baby-fat-plumped
last updateLast Updated : 2025-03-28
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Chapter 4: Supply & Snuggle: How to Win Your Favorite Blanket
Takuto Kimura, now three years old, found himself ensconced in the plush, pastel-colored world of kindergarten—a far cry from the high-rise boardrooms and corporate strategies he was accustomed to. The nap room, with its rows of tiny cots and the faint scent of baby powder, was a particular enigma. Today, however, it presented an opportunity he couldn't resist: the legendary Tyrannosaurus rex blanket. This blanket was the ultimate symbol of prestige and power within the kindergarten world. Its soft fabric, warm embrace, and most importantly, its majestic embroidered T-Rex logo had made it the most sought-after commodity. And Takuto, having been given a second chance at life—this time as a toddler—was determined to secure it.Squatting in the corner, Takuto meticulously sketched a SWOT analysis on the back of a diaper packaging using crayons. His objective was clear: secure the coveted blanket. He analyzed the strengths (softness, warmth), weaknesses (limited availability), opportuniti
last updateLast Updated : 2025-03-28
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Chapter 5: Parent-Teacher Conference: A Dimensionality Reduction Strike
Takuto Kimura crouched behind the kindergarten storage cabinet, writing a cheat sheet on his palm with a crayon. Today was his first parent-teacher meeting since being reborn, and it was the perfect opportunity to interact with his former business partners. You see, Takuto was no ordinary three-year-old. He had been a high-powered corporate executive in his past life, and he had every intention of applying those same high-stakes skills to the world of kindergarten. Today was an important day: he would have the chance to reconnect with old acquaintances, strategize, and maybe—just maybe—take over the sandbox empire."Listen up, little bear," he whispered, pressing his favorite stuffed toy against the wall. "Later, you’ll distract the teacher for me. I need to investigate three targets: 1) Vice President Nakajima's wife, 2) Competitor Matsumoto’s wife, and 3) that one who always sends wellness messages in the parent group—maybe she's the HR director from my past life."The black eyes of
last updateLast Updated : 2025-03-28
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Chapter 6: Kindergarten Economics: Starting From Scratch
Takuto Kimura stood at the edge of the sandbox, his chubby little hands clenched into fists. The morning sunlight shone on his baby-fat face, casting a few traces of incongruous solemnity. His eyes narrowed with the precision of a seasoned executive evaluating a new business opportunity. He was a man—er, a toddler—with a mission."Since I can't go back for now," he solemnly announced to the sandbox, "I will rebuild my business empire right here."As soon as he finished speaking, a snot bubble popped on the tip of his nose."Damn metabolism!" he grumbled under his breath, fumbling to wipe it off. But his sleeves were too long and, in a most tragic turn of events, he tripped over them, tumbling face-first into the sand pile. When he finally managed to get up, his face red from both the fall and his indignity, he realized that all the other kids had paused to stare at him."What’s Little Takuto playing with?" Ai-chan, a petite girl with twin pigtails, asked with a quizzical tilt of her h
last updateLast Updated : 2025-03-28
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Chapter 7: Monopolizing Plastic Shovels: A Sandbox Tycoon's Ambition
Takuto Kimura lay on his nap mat, his little chubby arms sprawled out as he carefully studied his crayon work. His gaze was focused, his furrowed brow the picture of concentration. On the inside of his arm, in vivid red and yellow crayon, he had written: "Feasibility Report on the Monopoly of Sandbox Production Materials." This was not some simple toddler scribble—it was the blueprint for the next big thing. Or, at least, his next big thing. Sunlight streamed through the classroom windows, casting striped shadows across his round face, making him look like a zebra plotting something very, very suspicious."Direct transactions are too risky," Takuto muttered quietly, instinctively licking the jelly residue at the corner of his mouth. "I need to establish an underground distribution network."As his mind raced through potential strategies, a noise interrupted his concentration. Kenta, who had been lying next to him on his nap mat, rolled over with a grunt. Takuto quickly shoved his arm
last updateLast Updated : 2025-03-28
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Chapter 8: Logistics Empire: The Rise and Fall of a Diaper-Clad Mogul
Takuto Kimura, a self-proclaimed genius of logistics and strategic brilliance, crouched at the edge of the sandbox, the sun casting a merciless spotlight on his furrowed brow. He was so absorbed in his "logistics strategy" that he hadn't noticed the sweat streaming down his face, threatening to dive straight into his meticulously drawn map. Takuto took a deep breath and muttered under his breath, "The straight-line distance from the sandbox to the swing area is only 15 meters, but the kids have to detour around the climbing frame. Inefficient, terribly inefficient." He paused, his twig tapping the ground as if pondering the meaning of life itself. "Ah, but that’s it! This is the blue ocean market!"Of course, his grand revelation was interrupted when the bead of sweat he'd been trying to avoid finally dropped, splashing right onto the "Profit Forecast" section of his map. Takuto stared at the ruined data, horrified. "Even my sweat glands are shorting my project…" he groaned.As the cl
last updateLast Updated : 2025-03-28
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Chapter 9: The Meanie's Toy Takeover!
Takuto Kimura knelt in the sandbox, his small, determined face set in a deep scowl as he watched helplessly. The very foundation of his startup—his pride and joy, the "Logistics Headquarters" he’d spent the past three days building with nothing but blocks, his lunch break, and sheer willpower—was being dismantled in front of him.Ryutaro from the Sunflower Class, along with his loyal (if somewhat unruly) "Dinosaur Squad," had invaded his territory, tearing down his operation with the gusto of a pack of wild animals. They were tossing his meticulously crafted company logo—no, his bee logo—into the trash, a logo that had been carefully drawn on a piece of cardboard that was starting to smell faintly of peanut butter."According to Article... whatever of the Sandbox Convention," Ryutaro announced, dramatically stepping on Takuto’s most beloved toy truck, the one he’d gotten from the charity sale—"This place now belongs to the Dinosaur Clan!"Takuto’s tiny fists trembled with the fury of
last updateLast Updated : 2025-04-04
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Chapter 10: Bubble Trouble: When My Toy Economy Popped!
Takuto Kimura sat cross-legged on his nap mat, surrounded by an army of building blocks. The rain outside was relentless, the rhythmic pattering against the window serving as a perfect soundtrack to the drama of his budding business empire. The kind of drama that could be written in gold—if only his crayons weren’t currently scattered across the floor, half-chewed by his younger sister.He was in the midst of his masterpiece: a new economic order, poised to revolutionize the sandbox world. Forget the mundane, the ordinary. No, Takuto’s vision went beyond simple playtime economics. He was establishing something more. A new currency system."The fiat currency system has collapsed," he wrote seriously on the back of a piece of diaper packaging, as if that made it sound more profound. "We must establish a new currency order."His eyes glinted with pride as he gazed upon the fruit of his genius: the "Building Block Coin" system. It was as perfect as any three-year-old's plan could be.The
last updateLast Updated : 2025-04-04
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