One Piece: My Crew is from Other World

Kirito stepped forward, responding firmly to Saturn's trust.

"I'll do my best," he said with quiet determination.

The moment the words left his mouth, a powerful aura surged from his body. Though still restrained, the pressure he emitted was undeniable. After all, standing in front of him was Dr. Mudo—not a warrior, but a scientist. There was no point in overwhelming someone who had no combat ability.

"Let's get started," Dr. Mudo said after a brief hesitation, leading the group toward a sealed room.

She placed her hand on a scanner, and the door hissed open. The space inside was vast, like an arena hidden within a lab. In the center, a large protective shield glowed faintly, pulsing with energy.

"This is the testing chamber," she explained. "What kind of opponent would you like to face? Should I activate the strongest model?"

Her tone was calm, bordering on proud. Despite standing before a skilled warrior like Kirito, she showed no fear. Their scientific creations were her pride, and in her mind, nothing could easily surpass them.

"Go ahead and unleash the strongest one," Kirito replied, his eyes flashing with intensity. "Otherwise, what's the point?"

He stepped inside the barrier with a smirk.

"I want to know whether the strength I've gained through practice is stronger than the fruits of your so-called science."

Dr. Mudo's lips twitched into a cold smile. "Confident, aren't we? Very well—let's find out."

He tapped a console. "Research Room 1, dispatch the SS-level pacifist to Test Room 5. The Five Elders are observing. Let's show them what we're capable of."

"Understood, Dr. Mudo," came a mechanical voice through the intercom.

Moments later, a massive nutrient pod was wheeled into the room, its contents hidden behind thick glass and a greenish fluid. Kirito's expression shifted slightly as he took in the figure inside.

"This is… an SS-level pacifist?"

He couldn't help but feel the pressure emanating from it, even before the pod opened. Every cell in his body was on alert. This wasn't going to be easy—and that excited him.

"Ka-cha…"

"Whooosh…"

With a hiss, the nutrient fluid drained and the pod's door lifted. The imposing figure of a humanoid bear stepped out. Its eyes glowed faintly, and its mechanical body radiated danger. A voice crackled in Kirito's ear.

Target: eliminate the intruder.

Kirito grinned and slowly drew his twin swords, the fire in his eyes burning brighter.

"It's been a long time since I've felt a thrill like this…"

BOOM!

Before he could act, a shockwave blasted out from the pacifist's hand. The entire shielded chamber shook under the force. This wasn't just any attack—the very same material that protected the outer shell of their underwater base was now trembling.

"What an insane strike," Kirito muttered. "But if you think something that sloppy will hit me, you're dreaming."

He darted forward, reading the machine's movements, dodging narrowly and countering with precise sword strikes. But his blades barely left a scratch.

"This thing's body is insanely durable," he muttered, panting as he flipped backward to gain space. "This is going to be tough…"

The pacifist was relentless. Its AI had evolved—there were no predictable patterns, and it attacked with shockwaves, high-speed physical strikes, and advanced mobility. Kirito had to constantly move, think, and react.

His breathing grew heavy. He was pushing himself, but making little progress.

Just then, a calm voice echoed in his ear.

"Kirito, focus. There's a critical point in its chest. If you can hit that, you might just win."

It was Ryuunosuke's voice—composed, as always.

Kirito's eyes widened slightly. He had been so caught up in testing the machine's limits, he had forgotten the most important part of battle: targeting weaknesses.

"…You're right," he muttered. "Thanks."

His grip tightened on his blades as he steadied his breath.

"Alright, let's see if your strongest point is also your weakest."

He launched himself forward, blades slicing through the air in a crisscross pattern. With a fluid motion, he leapt high, flipped mid-air, and drove both swords into the pacifist's chest.

"CLANG!"

A shudder ran through the machine. It staggered backward as sparks flew from its chest.

Kirito had hit the core.

The pacifist, just moments away from launching another deadly shockwave, froze. Then—with a loud groan—it collapsed.

Kirito didn't stop there. He slashed in an "X" pattern, and the machine split cleanly down the middle.

The room fell silent.

"…That's it?" Kirito exhaled, brushing a lock of hair from his eyes. "This is the new model? Kind of underwhelming. That critical spot was way too obvious."

From the observation booth, Dr. Mudo stood in stunned silence.

"H-How…?" he whispered. "We specifically placed the core in the chest to avoid attention… The visibility is excellent, but we designed the internals to mask the energy signature during combat!"

He gritted her teeth. No one was supposed to find it that quickly—not even someone like Kirito.

Mars, standing beside Saturn, looked visibly displeased.

"This is your best work, Dr. Mudo?" he said coldly. "I brought Saturn here to witness our strength… and this is the result? I'm beyond disappointed."

Dr. Mudo opened hue mouth to respond, but another voice cut through the room—deep, composed, and impossible to ignore.

"Enough."

Even Mars's expression shifted upon hearing it.

"Dr. Vegapunk!" he said in surprise, quickly recomposing himself.

Vegapunk appeared calmly on the screen, arms folded.

"Are you saying we've failed, Captain Saburo?" he asked, his voice devoid of emotion but heavy with weight.

Mars hesitated. "I'm saying your creation was defeated easily. That doesn't inspire confidence."

Vegapunk's eyes narrowed. "And yet, you brought the captain of the Celestial Guard—one of the strongest individuals alive—into our lab to test a prototype. What exactly did you expect?"

He raised an eyebrow. "If we mass-produce these SS-level pacifists, we can supply a thousand within a month. Can even your top soldiers withstand a thousand Pacifista-level enemies?"

The rhetorical question hung in the air like a blade.

There was nothing more to say.

"…Even so," Mars muttered, "I expect improvements. We're leaving."

Without another word, he turned and walked out, Saturn following behind.

Vegapunk watched silently, then turned to Dr. Mudo. "Begin the post-battle analysis. I want a report on how he found the core… and how we make sure no one ever does it again."

Translator's Note:

This fanfic was written before we knew anything official about the Five Elders—their names, appearances, or personalities. The author created entirely original versions of them, so don't expect them to match the canon characters you know today. In this story's universe, it even seems like Vegapunk's position might outrank the Five Elders… but we'll see how that plays out.

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