"Hahahahaha!!"
"Shells, crabs, jellyfish…"
"So this is the One Piece world, hahahaha!!"
The blond boy ran wildly along the beach, heart pounding with excitement.
Though the Naruto world also had oceans, Konoha was located deep in the center of the continent—oceans were hundreds of miles away.
All he had ever seen before were rivers and streams.
After about two hours, Naruto was still elated, but he gradually felt something was off.
"Why… am I this hyper?" Naruto stopped, frowning as he stared at his reflection in the seawater.
After six years in the Hidden Leaf, he considered himself emotionally steady.
Sure, arriving in the One Piece world was exciting, even thrilling—but not this thrilling.
He'd been running aimlessly for two or three hours...
After thinking it over for several minutes, Naruto finally realized what was happening. He looked around the environment with twitching lips:
"Crap… oxygen intoxication…"
Humans coming from low-oxygen to high-oxygen environments can experience symptoms similar to drunkenness—commonly known as oxygen intoxication.
Symptoms include excitement, fatigue, weakness, drowsiness, chest tightness, dizziness, diarrhea…
After surveying the area, Naruto rubbed his temples in frustration.
"I came from Konoha… which has the most lush vegetation in the entire shinobi world…"
"For me to be oxygen-drunk… just how high is the oxygen concentration in this entire world!?"
"With such insane levels of oxygen… no wonder this world has so many large-scale monsters…"
…
Having understood the reason, Naruto glanced around, deciding to find a safe spot nearby.
After all, oxygen intoxication didn't just cause hyperactivity—other symptoms could follow, and he'd need time to adjust.
"I'll go check out that forest…"
As he walked, Naruto opened an air door and took out some supplies.
But as he approached the forest, he suddenly stopped, eyes locking on a structure in the distance.
"There's someone living on this island!?"
He had spent the past three days peeking through the World Gate, observing the other side.
And not once had he seen another human.
"This isn't good. If someone lives here, that means danger. If this is a pirate-controlled island, the risk is even higher…"
Naruto narrowed his eyes, pulling out a kunai in one hand and attaching an explosive tag with the other.
Prepared for anything, he stepped into the forest.
The woods were dense with towering trees, branches and leaves thick and vibrant—but the center of the forest was strangely open, and white rabbits darted past now and then.
Naruto stopped and turned his eyes toward the center—where a girl sat calmly on a tree stump.
She had short black hair, wore brown clothing, and her sun-kissed skin shimmered in the light. Quietly, she read from a book.
"…Is that Nico Robin!?"
Naruto's eyes widened in shock. He never expected to meet the young version of the Devil Child herself.
"That means… this must be Ohara—the island that was destroyed by the Buster Call in the original story…"
He looked toward the island's center, and sure enough, there it was—a massive tree towering above all others.
Even among the surrounding giants, that tree stood alone in grandeur.
Naruto retracted his gaze and walked toward the young Robin.
His footsteps startled her. She closed her book and looked at him curiously.
"Who are you? I've never seen you before."
Her voice was gentle and kind.
Naruto thought for a moment, then smiled and said, "I was just washed ashore by the waves. It's normal you haven't seen me before."
Robin's expression shifted into realization.
"Oh, so you were in a shipwreck."
The seas of the One Piece world were dangerous and unpredictable—sunny one moment, violent storms the next.
Shipwrecks happened all the time, and though she hadn't witnessed one herself, Robin had read enough to understand.
She quickly ran over, eyes filled with concern.
"Are you okay? Did you get hurt? Do you need a doctor?"
Seeing the worry in her eyes, Naruto closed his own for a moment, feeling a warmth surge through his chest.
She's so gentle…
He had never felt this kind of kindness in all his years in Konoha.
Opening his eyes again, Naruto smiled and shook his head.
"I'm fine. I'm not hurt. Just need to rest for a bit."
Seeing that he really didn't seem injured, Robin relaxed and invited him to sit on her stump.
Naruto sat beside her, quietly refining his chakra while chatting.
"My name is Uzumaki Naruto. What's yours?"
"My name is Nico Robin."
"That's a beautiful name. Do you like reading?"
"Mm. I love it. Books have everything. They help me understand the world beyond this island."
"I see… so you want to leave this island?"
"No. Dr. Clover and the scholars are all very kind to me. I don't want to leave."
"Then why do you want to go out to sea?"
"I… my parents are out there. I really want to find them…"
…
After refining a bit of chakra, Naruto opened an air door right in front of her.
Robin's eyes widened in awe as he pulled out sushi, sashimi, grilled meat… all kinds of perishables with short shelf lives.
Then he took out a portable grill, lit some charcoal, and began cooking the meat.
"Naruto, you… you're a Devil Fruit user too!?" Robin's eyes sparkled with joy as she looked at him.
Naruto smiled and nodded. He placed a hand on a nearby tree and said, "Yeah. I have the Doa Doa no Mi—it lets me open doors."
As he spoke, he gently pushed his palm forward, and a revolving door appeared in the tree's trunk.
The center of the tree began to spin.
"Wow, that's amazing!" Robin gasped in awe, eagerly walking over and playing with the spinning door.
Two or three minutes passed before she reluctantly returned, eyes full of excitement as she looked at Naruto.
"Naruto, I… I'm also a Devil Fruit user. Want to see my power?"
(End of Chapter)
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