Mera Mera no Mi Fruit—this was Ace's Devil Fruit from One Piece, Logia type. Incredibly powerful! If Satoru obtained it, it could greatly enhance his future Fire Release techniques!
Supreme Grade Sword Kokuto Yoru—this was the weapon of one of the Seven Shichibukai, Hawkeye Mihawk, from One Piece. Though incredibly strong, it was completely unsuitable for Satoru right now. After all, he was just a three-year-old child! Imagining him swinging such a huge sword was simply ridiculous.
Goro Goro no Mi Fruit—one of the most powerful and famous Devil Fruits in One Piece, also Logia type. This was Enel's fruit, the self-proclaimed god of Skypiea, capable of generating discharges of hundreds of millions of volts. A true nightmare for enemies. Undoubtedly, one of those Fruits most One Piece fans wanted.
Observation Haki (Observation Will)—another type of Haki from One Piece. At the highest mastery, it even allowed briefly foreseeing the near future. When an enemy attacked, using Observation Haki was enough to dodge in advance. Extremely useful skill.
Satoru didn't need much time to think. He immediately excluded Byakugan and Supreme Grade Sword Kokuto Yoru from the list.
"System, randomly select one of these three: Mera Mera no Mi Fruit, Goro Goro no Mi Fruit, or Observation Haki," he addressed the mechanical voice.
"Alright... No problem... Congratulations, Master! You received Devil Fruit Goro Goro no Mi!" When the System's voice sounded, the boy nearly jumped to the ceiling with joy.
He had thought that the System would most likely give him the Mera Mera Fruit or the Will of Observation. However, luck smiled on him incredibly, and he got the Goro Goro Fruit! This was one of the strongest Devil Fruits in the world of "One Piece"!
"By the way, System, I'd like to ask you a few questions," the transmigrator said, having calmed down a bit.
"Earlier I already received the Bara Bara no Mi Fruit, and now the Goro Goro Fruit as well. These two abilities won't conflict with each other, will they?"
"Besides," he continued, "Devil Fruit users are very afraid of seawater. Will this weakness remain in the world of 'Naruto'?"
"And one last question: Logia-type Fruit users can turn their bodies into elements. Does that mean that by using this ability, I'll become practically invincible?"
Satoru asked all three questions at once and eagerly awaited the System's response.
"Hm, very good questions. I'll answer them in order now.
"First, the Fruit abilities won't conflict. You're in the world of 'Naruto', and the restrictions from the world of 'One Piece' don't apply to you. Plus, you didn't eat the Devil Fruits themselves; I, the System, simply granted you their powers.
"That resolves your second question as well. You won't suffer from seawater weakness in this world. I granted you only the pure abilities of the Fruits.
"As for the third question, about turning into an element for Logia-type Fruits. Unfortunately, in this world, you won't be able to fully become the element itself. For example, with the Goro Goro Fruit, you can use lightning power, but you won't be able to turn your body into lightning.
"In other words, you won't be able to use elementalization to become lightning. However, you can control lightning, create armor from it. In short, though you have no seawater weakness, you won't be able to use a hundred percent of the Fruit's potential."
Hearing this, the Earth native felt a bit disappointed. But the System immediately added:
"However, don't forget: as the System, I grant you the power of Devil Fruits from the world of 'One Piece'. And in that world, not everyone can fully unlock their power's potential.
"For example, Enel himself never fully unlocked the Goro Goro Fruit's potential. You know about Devil Fruit awakenings, right? In other words, you can use the Fruit's power to become even stronger!"
The System's words inspired Satoru.
"Indeed! I can't keep demanding constantly. I already have so many abilities; I need to appreciate what I have," he thought.
"A strong person relies first and foremost on their own efforts, beyond luck and incredible encounters. If you don't try, even the most powerful technique right in front of you won't bring any benefit."
Realizing this simple truth, the transmigrator regained his resolve and didn't let the rewards go to his head.
At that moment, he decided not to test his luck with more draws. What he had already received would be enough for several years of mastery and training.
* * *
In the following time, Satoru dove headfirst back into training.
First, he perfected tree-climbing, then moved on to water-walking training.
Additionally, the boy began diligently practicing hand seals. The speed and precision of seals largely determined success in ninjutsu duels, so Satoru decided to dedicate time to it daily from now on. After all, a genius like Itachi Uchiha could form six seals per second!
Suppressing his impatience, the boy trained persistently and methodically. Only when these basic skills were honed to automatism did he focus entirely on learning new abilities.
"Shadow Clone Technique, Fire Release: Great Fireball Technique, plus Armament Haki and the Goro Goro Fruit! I know the training methods for all these abilities!" the young shinobi thought with satisfaction.
The System had directly implanted all this knowledge into his brain, so forgetting it was impossible. All that remained was to apply them repeatedly in practice, increasing reps and honing mastery.
Thus, about half a year passed. In that time, Satoru made significant progress in his training. However, for all those six months, the System seemed to vanish, showing no sign of itself.
But one day, it appeared again.
---
Hello, Master! The System has issued a new Quest!
Quest Content: Enroll in the Ninja Academy and graduate successfully before turning 4 years old! Become a genin of the Hidden Leaf Village!
Reward for completing the Quest: chakra reserves at the level of an elite jonin!
---
Satoru quickly calculated in his mind: he was already three and a half. So he needed to somehow enroll in the Ninja Academy and graduate within six months to become a Konoha genin before his fourth birthday.
"Wouldn't that be too difficult for me?" he asked the System.
"Even a genius like Itachi spent a whole year studying at the Academy, and he enrolled at six."
The System replied:
"Nothing to worry about. Quests don't have to be completed. You can refuse this one; there's no punishment for that.
"However, your body isn't fully formed yet. No matter how you train, increasing your chakra reserves will be extremely difficult.
"If you want to overcome this limit, try completing the Quest. Otherwise, your current power level will remain your ceiling."
The System's words struck the young genius deeply.
He thought that with the System and his own efforts, he could overcome any hardship.
"Fine! Legends exist to be surpassed!" Satoru nodded, determination lighting his eyes.
"As a transmigrator, I can't not take the risk, or I'd feel guilty toward myself! Let's do it!"
Satoru's age was indeed too young. Enrolling in the Ninja Academy at such an age honestly seemed unreal.
However, since a Quest had appeared, he had to move toward the goal!
***
Read the story months ahead of the public release — early chapters are available on my Patreon: Granulan