The Return of the Legendary Programmer – Chapter 3: The Crash

Chapter 3: The Crash

March 9, 2020 — Seoul, South Korea

The world was ending. Or at least, that was what every television screen, every news ticker, every panicked voice on the subway seemed to scream in unison.

Park Dojun stood in the center of his cramped one-room studio in Guro-gu, his laptop balanced on a stack of ramen boxes that served as his desk. The screen glowed with cascading rivers of red — the KOSPI was in freefall, shedding points like autumn leaves torn from their branches by a typhoon. Minus six percent. Minus seven. The circuit breaker had already tripped once that morning, halting trading for twenty minutes, but the moment the market reopened, the bleeding resumed with vengeful fury.

His phone buzzed relentlessly. KakaoTalk notifications from his mother, from old university friends, from the MegaCorp internal chat he still reluctantly monitored.

“Are you watching this? It’s the end.”
“My retirement fund just lost 30 million won.”
“Dojun-ah, please tell me you sold everything…”

He read none of them. His eyes were fixed on a different number entirely — the balance in his Kiwoom Securities account. Forty-seven million won. Every single coin he’d saved from eighteen months of grueling overtime at MegaCorp Solutions, South Korea’s third-largest IT conglomerate. Forty-seven million won that he was about to throw into the mouth of a volcano.

Because Park Dojun remembered what happened next.

The system window that only he could see flickered in the air before his eyes, translucent blue text floating like a hologram from a science fiction film. He’d grown accustomed to these manifestations over the past year and a half — ever since that impossible morning in September 2018 when he’d woken up in his twenty-four-year-old body, memories of a fifty-one-year-old failure rattling around inside a young man’s skull like coins in an empty tin.

In his previous life, March 2020 had been the month that destroyed him. He’d panic-sold his modest stock holdings at the absolute bottom, locked in catastrophic losses, and spent the next three years watching the market soar to heights that mocked his cowardice. That trauma had been the first domino in a chain of disasters — bad investments, worse partnerships, and ultimately the foundering of the startup he’d built with his own bleeding hands.

Not this time.

Dojun cracked his knuckles, pulled his chair closer to the laptop, and opened his buy order screen.

* * *

The office of MegaCorp Solutions occupied floors thirty-one through thirty-eight of the Teheran-ro Tower in Gangnam, a gleaming monument to corporate ambition sheathed in blue-tinted glass. Inside the thirty-fourth floor engineering bay, the atmosphere was funereal. Developers sat at their dual-monitor stations with the hollow-eyed stare of soldiers who’d just survived an artillery barrage. The company’s stock — ticker symbol MEGA — had plummeted nineteen percent in a single week.

Team Leader Shin Jaewon leaned against the break room counter, nursing a coffee that had gone cold an hour ago. He was thirty-six, prematurely gray at the temples, and possessed the permanent frown of a man who’d been middle management for too long.

“Did you hear about Park Dojun?” whispered Developer Choi Yuna, sidling up beside him.

“What about him?”

“He’s been buying stocks. Aggressively. Mirae, Samsung SDI, Kakao — the ones that are crashing the hardest. Millions of won.”

Jaewon blinked. “In this market? The kid’s insane.”

“That’s what I said. But he had this look on his face when I talked to him last week…” Yuna trailed off, searching for the right word. “Calm. Like he already knew something.”

“He’s a second-year developer who eats convenience store kimbap for lunch. What could he possibly know?”

* * *

March 19, 2020

The KOSPI hit 1,439.43.

Dojun watched the number appear on his screen with the serene detachment of a monk observing the sunrise. Around him, the world was screaming — literally. His downstairs neighbor, an elderly woman named Mrs. Bae, was on the phone with her bank, weeping about her savings. Through the thin walls, he could hear every shattered syllable.

He felt the weight of it. The guilt. He knew, with the certainty of a man who’d lived through this catastrophe once before, that the market would recover. That in eleven months, every stock he was buying today would be worth double, triple, or more. But he couldn’t tell anyone. Who would believe a twenty-five-year-old programmer claiming to have memories of the future?

His fingers moved across the keyboard with surgical precision.

Buy: Samsung Electronics — 300 shares at 42,500 won
Buy: Kakao Corp — 500 shares at 152,000 won
Buy: Samsung SDI — 50 shares at 215,000 won
Buy: NAVER — 100 shares at 149,500 won
Buy: SK Hynix — 400 shares at 71,200 won

He emptied the account. Every last won. Then he opened a margin account he’d prepared weeks in advance — approved during the brief window before brokerages tightened their lending criteria — and bought more.

He closed the laptop, walked to the window, and pressed his forehead against the cold glass. The Seoul skyline stretched before him — gray and rain-slicked, the neon signs of Guro’s commercial district bleeding watercolor reflections across wet asphalt. Somewhere out there, millions of people were losing sleep, losing money, losing hope.

I’m sorry, he thought. I can’t save everyone. But I can make sure this time counts.

His phone rang. Mom.

“Dojun-ah.” Her voice was thin, reedy, threaded with the particular worry that only Korean mothers could weaponize into an art form. “The news says the economy is collapsing. Are you eating properly? Do you have enough money?”

“I’m fine, Mom. I promise.”

“Your father’s pension fund lost money. He won’t talk about it, but I can see it on his face.” A pause. “And your brother says you should come home to Daejeon. Just until things settle.”

Dojun closed his eyes. In his first life, he’d gone home. He’d retreated to his childhood bedroom, wallowed in fear, and missed every opportunity the crash presented. This time, he stayed silent for a long moment, then spoke with a conviction that surprised even himself.

“Mom, listen to me carefully. Don’t let Dad sell anything. Whatever he has in the pension fund — Korean stocks, bonds, anything — tell him to hold. The market will recover. It might take months, but it will come back stronger than before.”

“How can you possibly know that?”

Because I’ve already lived through this.

“I just… I’ve been studying the markets. Trust me. Please.”

A long silence. Then: “You sound different, Dojun-ah. Older.”

The word hit him like a physical blow. He swallowed hard. “I’m just… focused. That’s all.”

* * *

June 2020

The recovery began exactly as he remembered — tentative at first, then accelerating with the irrational exuberance of a market that had stared into the abyss and decided it preferred denial. Tech stocks led the charge. Kakao surged past 300,000 won. Samsung SDI broke through 400,000. NAVER crossed 250,000 and kept climbing as if gravity were merely a suggestion.

Dojun sat in the MegaCorp break room, eating his convenience store kimbap — some habits died hard — and watching his portfolio app with quiet satisfaction. His unrealized gains had crossed one hundred million won. On paper, he’d more than doubled his money in three months.

But the money wasn’t the point. It was never about the money.

“Park Dojun-ssi.” The voice came from behind him, clipped and formal. He turned to find Director Hwang Minsoo — a senior VP two levels above his department — standing with his hands clasped behind his back like a general inspecting troops. “A word, please.”

They walked to a glass-walled meeting room overlooking Teheran-ro. Hwang sat, folded his arms, and studied Dojun with the evaluating stare of a man who bought and sold human capital for a living.

“I’ve been looking at your code commits,” Hwang said. “Your productivity is… anomalous.”

“Sir?”

“In the past six months, you’ve resolved more tickets than anyone in your division. Your code review rejection rate is zero percent. You refactored the authentication module in two days — a task the previous team estimated at three weeks.” Hwang leaned forward. “You’re twenty-five. You’ve been here less than two years. Explain.”

Dojun met his gaze calmly. In his previous life, he’d spent twenty-six years as a software architect. He’d designed systems that handled millions of concurrent users. He’d debugged production servers at 3 AM during typhoons. The work at MegaCorp was, quite literally, child’s play — problems he’d solved a lifetime ago.

“I study a lot on my own time,” Dojun said mildly. “Algorithms, system design, open-source projects.”

Hwang was unconvinced but pragmatic. “I’m putting you on the Project Phoenix team. We’re building a new cloud infrastructure platform. You’ll report directly to me.”

* * *

November 2020

The KOSPI crossed 2,500. Dojun’s portfolio was worth 247 million won.

He submitted his resignation on a Tuesday morning. Team Leader Shin nearly dropped his coffee.

“You’re what?”

“Resigning. My last day will be December 18th.”

“Dojun-ah, you just got promoted to Project Phoenix. Director Hwang specifically requested you. Do you understand how rare that is for someone your age?”

Dojun placed the resignation letter on Shin’s desk — printed on proper stationery, because some courtesies mattered. “I’m grateful for the opportunity, Team Leader-nim. But I have something I need to build.”

“Build? What could you possibly—” Shin stopped himself. He looked at Dojun — really looked at him, perhaps for the first time — and saw something in those dark eyes that didn’t belong to a twenty-six-year-old junior developer. A certainty. A depth. The quiet, unshakable confidence of a man who’d already won a war that everyone else was still preparing to fight.

“You’re serious.”

“Completely.”

Shin leaned back in his chair. “At least tell me what it is.”

Dojun allowed himself a small smile — the first real one in months. “An AI company. Natural language processing, generative models, enterprise applications. I’m going to build the future.”

He walked out of the Teheran-ro Tower at 6:14 PM, into a November evening that smelled of roasted chestnuts and approaching winter. The sky was the color of bruised plums, shot through with the orange glow of a city that never truly slept. He stood on the sidewalk, briefcase in hand, and let the cold air fill his lungs.

Behind him, the tower’s glass facade reflected a thousand office windows — a thousand cells in a corporate hive, each one occupied by someone trading hours for won, dreams for stability, ambition for the comfortable numbness of a steady paycheck.

He’d been one of them. In another life, he’d remained one of them for twenty-six years. He’d grown old in that building, gray and cautious and afraid, until the day they handed him a severance package and a cardboard box and told him his services were no longer required.

Not this time.

Dojun pulled out his phone and opened a blank document. His thumbs moved fast, tapping out the business plan that had been crystallizing in his mind for eighteen months — the architecture of an AI company that, in another timeline, someone else had built and used to change the world. He knew every mistake they’d made, every shortcut that had cost them years, every breakthrough that had seemed like luck but was actually the inevitable consequence of asking the right questions at the right time.

This time, he would be the one asking those questions.

The chestnuts seller on the corner called out to him — “Young man! Warm chestnuts, three thousand won!” — and Dojun bought a bag, cradling the paper cone in both hands as he walked toward the subway station. The warmth seeped through his gloves, and for a moment, he felt something he hadn’t allowed himself to feel since waking up in this second life.

Hope.

He was twenty-six years old. He had a quarter of a billion won in the bank, twenty-six years of future knowledge in his head, and the burning, unquenchable certainty that this time — this time — he would not waste his life.

The subway doors opened. He stepped inside. And as the train pulled away from Gangnam, carrying him south toward the studio apartment where the next chapter of his impossible second life would begin, Park Dojun closed his eyes and whispered a single word to the reflection in the dark window.

“Begin.”