Chapter 2:
Another world with my laptop
The sun peeked through the tall crystal-leaf trees, warming the cobbled paths of the village. Birds chirped melodies that didn’t exist on Earth, and strange butterflies flitted around with wings shaped like runes.
Saito adjusted the strange leather pouch strapped to his belt. Inside it floated his most prized creation in this world so far—a mana-powered laptop, assembled using raw Creation Magic. The screen glowed faintly, responding to his thoughts. Lines of arcane runes blended with Python syntax inside an interface only he truly understood.
“System Booting... Welcome, Saito. Compiler is ready.”
He couldn’t help but smile. His past life may have been filled with overtime and ramen, but in this one, he was about to become the world’s first software engineer-mage hybrid.
As he walked through the village square, his attention was pulled toward a loud argument between two beastmen over the price of a lumpy blue crystal. He winced. They were using rocks as counting tokens and were arguing whether one pile of “shiny pebbles” was worth “three squishy roots or four.”
“These people need a calculator,” he muttered. “Or at least… an intern.”
That’s when he heard it.
“Hey! Mister! Can you count these stones for me?”
The voice was small and high-pitched. Turning, he spotted a tiny wooden stall patched together with rope and hope. Behind it stood a girl with large golden eyes, a messy ponytail, and soft black cat ears that twitched nervously.
She was maybe twelve or thirteen. Her tail flicked as she held up a basket overflowing with shiny stones.
“I don’t know how much all this is worth,” she said with a frown. “Papa says I should ‘eyeball it,’ but eyeballs don’t do math.”
Saito blinked. That was both adorable and horrifying.
He crouched beside her stall. “What’s your name?”
“Kina,” she said. “I run this stall when Papa’s off digging in the caves. I… um… don’t really know numbers.”
Saito looked over the “shop.” A piece of wood with prices scribbled in charcoal, a few mismatched jars, and a rock labeled “Special Sale.”
He sighed. “Okay, Kina. Do you want to see something cool?”
Her ears perked up immediately. “Like magic?”
“Even better,” he said. “Programming magic.”
Saito placed the laptop on the counter. A few villagers nearby watched in confusion as glowing keys appeared on a floating panel. Kina’s eyes sparkled.
“This is called Python,” he explained. “It’s a magic language from my world. Here, I’ll show you something simple.”
He typed:
def total_value(stones): total =0 for stone in stones: total += stone["value"] * stone["quantity"] return total
stones = []n = int(input("Enter number of stone types: "))for i in range(n): print(f"\nStone {i+1}") name = input("Enter stone name: ") value = int(input("Enter value per piece: ")) quantity = int(input("Enter quantity: ")) stone = {"name": name, "value": value, "quantity": quantity} stones.append(stone)# Outputprint("\nCalculating total value...")print("Total:", total_value(stones), "Gold")
A glowing number appeared midair: Total
Kina gasped like she’d just seen a unicorn do backflips.
“It counts for you?” she asked.
“No more guessing. No more squishy root math,” Saito said with a wink.
Kina leaned over the laptop. “Can… can I try it?”
“You want to learn?” Saito asked, surprised.
She nodded furiously, cheeks red. “Please! Teach me! Be my… be my sensei!”
Saito blinked. “Your what now?”
She stood straight, tail stiff with nervous pride. “Sensei! You’re smart, kind, you brought glowing numbers, and—and you don’t smell like fermented onions like the old village wizard.”
He scratched his head, chuckling. “Low bar, but I’ll take it.”
They set up behind the stall as curious villagers gathered around. One lady whispered, “Is that a magic box?” Another said, “I heard it tells fortunes using math!”
“No,” Kina corrected proudly, “it tells prices using loops.”
Saito showed her a basic calculator program. Kina clumsily typed her first function:
def meow_price(quantity, rate): return quantity * rate print("Total Price:", meow_price(6, 15), "Gold")
The result floated midair. Her tail curled with excitement.
“That’s it!” she shouted. “It’s like teaching the box to do chores!”
Saito grinned. “Exactly. Programming is just giving smart instructions.”
A large ogre-like man approached the stall and slammed down a heavy sack.
“These stones worth thirty coins?” he grunted.
Kina calmly typed into the floating screen, then showed him the total which showed 90 Gold
The man blinked. “Huh. Okay.”
He left quietly.
Kina turned to Saito. “That’s the first time he didn’t yell at me.”
He nodded. “Knowledge is power, Kina. Especially when your ‘power’ can count better than the village chief.”
As the sun dipped low and the crowds thinned, Saito helped Kina organize her inventory using a growing program that could sort by type, value, and weight.
“You’re amazing, Sensei,” she whispered, sitting beside him with a half-eaten rice bun in her hand. “Nobody ever taught me stuff like this.”
Saito looked at the sky, thoughtful. “In my world, I had to learn everything alone. I don’t want you—or anyone else here—to go through that.”
Kina leaned against him, eyes drowsy. “I’m really glad you came to this world.”
He chuckled. “I thought I was summoned here to fight monsters. Turns out I’m tutoring catgirls and debugging ore sales.”
“You make it sound so noble,” she giggled.
“Oh, it is,” he said. “Someone has to fight the evil forces of bad accounting.”
As they cleaned up, Kina looked up at him seriously.
“Do you think I could write my own big program one day? Something people from other villages could use?”
Saito smiled. “You’ll make something even better than I ever could. You just need a bit of logic… and a lot of curiosity.”
Her ears twitched happily. “Then I’ll work hard, Sensei!”
Saito patted her head gently. “You already are.”
That evening, in a village where numbers were once feared and misunderstood, a cat-eared child began her journey into the world of code.
And nearby, a man who once sat silently behind a corporate desk began to smile again—not because of glowing screens, but because of the bright future he had helped spark.
The age of swords may have ruled this land for centuries. But tomorrow coding can help change this Isekai world.
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