Naruto: I Use Chakra to Upgrade Kekkei Genkai
Author: Lin Youyu
Synopsis:
Fugaku said he was the most brilliant genius the Uchiha had seen in a thousand years.
Kakashi said he was the most scheming scoundrel, one who quibbled over every last detail.
Danzo said he was the Uchiha's demon, ruthless and vicious.
Nagato said he was a reformer who would bring dawn, with the shinobi world in his heart.
Madara said he was a man who could make him dance, an opponent difficult to match.
At the same time, he was Shisui's closest friend, Sasuke's big brother, Naruto's support...
As a member of the transmigrator army, Uchiha Genya had "coincidentally" received a Sage Body in the beginner's gift pack granted by the system at the start, and had also "accidentally" awakened Wood Release. By feeding it chakra, he could upgrade his Kekkei Genkai.
Chibaku Tensei, Sage Art: Wood Release: True Several Thousand Hands, Indra's Arrow...
Let the shinobi world begin to tremble!
System
Konoha Year 51, summer.
Hidden Leaf Village.
A courtyard within the Uchiha Compound.
"Open the system!"
A pale blue virtual screen appeared on Uchiha Genya's retina, displaying a stream of information.
Host: Uchiha Genya Gender: Male. Age: 6. Looks: Very handsome. Faction: Uchiha. Ninjutsu: Transformation Technique, Clone Technique, Substitution Technique, Chakra Extraction Technique. Kekkei Genkai: Sharingan Lv1 (7/100,000), Sage Body Lv1 (9/100,000), Wood Release Lv0 (19,720/20,000). Chakra: 500/500 (ordinary Genin: 200). Reserve Chakra: 1,500 (can store three times his own chakra).
"Use 300 chakra to exchange for Wood Release energy."
"Energy +300. Wood Release Lv0 (19,720/20,000) → Wood Release Lv1 (20/100,000)" "Beep! Congratulations, Host. Your Wood Release Kekkei Genkai has advanced to Lv1." "Beep! Congratulations, Host. You have obtained the ninjutsu: Wood Style: Cutting Technique and Wood Style: Strangulation Technique."
Uchiha Genya clenched his fists, a smile appearing at the corners of his lips as he said excitedly, "Wood Release has finally reached Lv1!"
"Just as the system description said, upgrading Wood Release grants the corresponding Wood Release ninjutsu!"
Genya had originally been a 996 corporate drone on the Blue Planet. More than a year ago, he had accidentally transmigrated into the world of Naruto and become a member of the Uchiha.
He had arrived in Konoha Year 50, the very year of the Nine-Tails Incident. Fortunately, Genya was a Naruto fan and had anticipated the danger in advance, allowing him to survive that natural disaster.
At the same time, his extraordinary adaptability had allowed him to quickly grow accustomed to life in the shinobi world and blend into it.
However, during the brutal Third Shinobi World War, his parents had died on the battlefield while protecting the village, leaving Genya an orphan.
Fortunately, Genya had obtained the standard system granted to transmigrators and received a Sage Body from it.
In Genya's memory, only the Sage of Six Paths, Asura, and Hashirama Senju possessed true Sage Bodies.
The Sage Body was not a Kekkei Genkai, yet it was more terrifying than many Kekkei Genkai. It was similar to a bloodline in fantasy novels.
Once a Sage Body awakened, the cells within one's body would gain terrifying vitality, capable of endlessly dividing and regenerating, granting the host vigorous life force and unmatched chakra.
The First Hokage, Hashirama Senju, possessed chakra comparable to that of a Tailed Beast and had even been praised by Uchiha Madara as an unkillable warrior on the battlefield.
Some people joked that although both had awakened Wood Release, Yamato used Wood Release for landscaping while Hashirama used Wood Release to conquer the world.
The saying was full of mockery, but it was also true.
It was not Wood Release that was powerful.
It was Hashirama Senju, who possessed a Sage Body.
Genya was the fourth shinobi to possess a true Sage Body!
Besides that.
Genya had also "accidentally" awakened the Wood Release Kekkei Genkai. He could convert chakra into energy at a one-to-one ratio to upgrade his three Kekkei Genkai.
Each Kekkei Genkai would grant corresponding abilities after its level increased.
For instance, the Sage Body improved physical abilities and increased chakra reserves.
The Sharingan gained ocular power upon awakening.
Wood Release granted secret Wood Release techniques.
When Uchiha children were four to five years old, instructors within the clan taught them the Chakra Extraction Technique.
Genya could be called exceptionally talented. He had learned the Chakra Extraction Technique in less than a day and even picked up the Three Basic Techniques along the way.
After more than a year of hard work.
Genya had first upgraded his Sage Body, then his Sharingan, and finally his Wood Release.
There was a reason for upgrading them in that order.
Before the Sage Body was upgraded, Genya's chakra reserve had only been 200. After reaching Level 1, it had risen to 500, more than doubling.
Once his chakra reserve increased, the upgrade speed of his other two Kekkei Genkai also improved greatly.
Afterward, he upgraded the Sharingan, and Wood Release came last.
After the First Hokage, Hashirama Senju, died, both the Third Hokage, Sarutobi Hiruzen, and Orochimaru had secretly researched Wood Release. Yamato had even been a Wood Release test subject.
Genya also understood that if anyone learned he possessed the Wood Release Kekkei Genkai, it would definitely cause an uproar in the village. In the end, he would likely be locked in a dark dungeon by Konoha's higher-ups, or perhaps even sent onto Orochimaru's operating table.
Therefore, although Wood Release was immensely powerful, it had been placed last in priority and could only serve as a trump card. Unless his life was at stake, he could not expose it.
Moreover, in the original story, upgrading the Sharingan to the Eternal Mangekyo Sharingan required transplanting the eyes of a close relative. Now, however, he could directly use chakra to upgrade his Sharingan into the Eternal Mangekyo Sharingan.
He just had to grind!
After all, he was an orphan. He had no close relatives whose eyes he could use for an upgrade.
Even if he did, he would never do such a thing for power.
That was his principle as a person!
"Let's test Wood Release's power!" After his Wood Release level increased and he gained Wood Style: Cutting Technique and Wood Style: Strangulation Technique, Genya wanted to test their power.
His residence was tucked away in a remote corner on the northwestern side of the Uchiha Compound, so he did not need to worry about anyone discovering him.
"Good thing that LSP Third Hokage can't spy on me!" Genya muttered.
Sarutobi Hiruzen possessed a crystal ball and could use the Telescope Technique to observe every corner of the village, but the prerequisite was that he had to imprint someone else's chakra. Genya had never performed ninjutsu before him, so the man could not see him.
The two Wood Release secret techniques granted by the system had already been deeply etched into his mind.
Genya mobilized the chakra within his body, rapidly forming hand seals as he performed the ninjutsu.
"Wood Style: Strangulation Technique!"
"Whoosh! Whoosh! Whoosh!"
Seven or eight thick branches burst from the ground.
Under Genya's control, the branches moved like agile pythons, swiftly wrapping around a massive boulder.
These stones were used by Genya for training and conditioning his body.
"Squeeze!" Genya shouted!
The trees tightened their grip more and more.
Crackling fissures appeared across the stone.
Wood Release possessed tremendous power!
If an ordinary Genin were caught in it, they might already have been strangled to death.
"Wood Style: Cutting Technique."
A sharp wooden spike rapidly grew from Genya's right palm.
He lunged forward and thrust with all his might. The hard rock let out a sharp screech as it was pierced through instantly.
Then Genya formed another hand seal. Using the first wooden spike as a base, seven or eight more spikes instantly shot out in every direction.
The boulder was instantly turned into a hedgehog!
"Wood Release truly is powerful when paired with a Sage Body," Genya murmured. At the same time, he looked forward to seeing what secret technique he would gain from the next Wood Release upgrade!
"It just consumes too much chakra." Genya gave a bitter smile. Casting two ninjutsu had consumed a considerable amount of his chakra. Raising his Sage Body's level was still the top priority.
Training ended.
Genya withdrew his Wood Release and began cleaning up.
Not long after he finished tidying up.
A series of knocks sounded by his ear.
"I'm coming." Genya frowned and went to open the courtyard gate. After seeing who had arrived, he asked in surprise.
"What a rare guest. Why are you here?"
Brainwashing Itachi
A boy around six years old stood outside the door. Faint tear troughs lined his face, and he wore the clan uniform bearing the Uchiha fan crest.
Itachi Uchiha!
At this moment, Itachi lacked the mature, all-knowing wisdom he would possess as an adult. He still looked somewhat childish.
And perhaps a little... smug?
Itachi gave Genya an indifferent glance and said, "Father asked me to bring you over for dinner."
Genya's father had been a Jonin and a close friend of Fugaku Uchiha. The two had fought through life and death together on the battlefield.
Since Genya's parents had died, Fugaku had taken great care of him. Because of the friendship between their elders, Genya and Itachi had also become friends.
"Oh!"
Bang!
The door slammed shut, leaving Itachi staring blankly at it.
???
Less than a minute later, Genya emerged from the courtyard with a smile and opened the wooden gate.
Seeing the oversized food container in Genya's hands, black lines appeared across Itachi's forehead. Slightly annoyed, he said, "It's one thing for you to come eat at our house every time, but what do you mean by packing food to take home after you're done?"
Genya replied with a hint of mockery in his voice.
"You don't know that thriftiness is a fine virtue of the Hidden Leaf Village?"
"What a rich young master!"
In truth, whenever Genya ate at Fugaku's home, Mikoto Uchiha would deliberately cook extra food so he could pack it up for dinner. She took great care of him.
As time went by.
Itachi, who often contemplated the meaning of life, became jealous. He would occasionally mock Genya a few times, but Genya, whose tongue seemed blessed by the gods, always choked him into silence.
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