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Naruto: Medical Ninja

Kamiyo Tetsuya, a reincarnated soul from another world, finds himself in the aftermath of the Nine Tails Rebellion in Konoha Village. Orphaned by the chaos that took his parents, Tetsuya discovers he possesses a unique ability: the Doctor's Benevolence System. This extraordinary system allows him to heal others and extract their attributes, skills, and even bloodline limits, setting him on a path to mastering medical ninjutsu. Determined to grow stronger and protect his new home, Tetsuya adopts a disciplined routine of hospital visits, physical training, and Chakra refinement. Along the way, he befriends Hinata Hyuga, who silently supports him, and encounters Uzumaki Naruto, another ostracized child. Offering friendship and compassion, Tetsuya becomes a beacon of hope for Naruto, hinting at a powerful alliance between the two future heroes. Tetsuya's talents do not go unnoticed. Third Hokage Sarutobi Hiruzen visits him personally, impressed by his healing prowess and granting him support. However, Danzo Shimura, head of Root, also recognizes Tetsuya's potential and seeks to recruit him. The resulting tension sets the stage for future conflicts, as Tetsuya becomes a target for various factions within Konoha. Working at Konoha Hospital, Tetsuya learns that his mother was a student of Tsunade, one of the Legendary Sannin. This connection boosts his reputation, but also draws more attention to his abilities. As Tetsuya navigates the politics of Konoha, he uses his system to heal and grow stronger, aiming to support his friends and uphold the Will of Fire. A critical moment occurs when Tetsuya heals Naruto and unlocks Pure Ashura Chakra, a powerful energy tied to the reincarnation of Ashura. This transformation significantly boosts Tetsuya’s abilities, setting him on a path to greatness and hinting at future confrontations with Indra's reincarnation, Sasuke Uchiha. Join Tetsuya as he navigates the challenges of his new life, builds powerful alliances, and strives to become a beacon of hope and strength in the world of Naruto.

Raitei · Anime & Comics
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55 Chs

Chapter 10: The Remarkable Improvement

Seeing a reminder floating in front of him, Tetsuya was startled.

"Big rewards!"

Chakra and physique aside, these two are basic rewards. Twenty points equaled what he could only earn after working in the hospital for a day or two. And the last reward made him jump up.

"Pure Ashura Chakra!"

As the sons of the Sage of Six Paths, Ashura and Indra had fought for millennia. Their conflicts spanned lifetimes, continuing through Chakra reincarnations, creating bloody storms in the ninja world whenever they reappeared.

The previous generation's reincarnations had culminated in a legendary battle. Senju Hashirama, with Wood Style and Sage Mode, had defeated Uchiha Madara and his Nine Tails. Ashura's reincarnation had always used the power of the tailed beasts to contend with Indra's reincarnations. Obtaining Ashura's Chakra meant that Tetsuya could steadily step into the realm of super-shadow-level power.

Looking at the price of Ashura Chakra in the system store, he noted it was fifteen thousand points.

"Wow, I've struck gold."

"Wow! Tetsuya, you can actually use ninjutsu!" Naruto's excited shout pulled Tetsuya back from his reverie.

Due to the Nine Tails inside him, Naruto's self-healing was already fast, but it never worked like this—where the wound vanished in two seconds.

A gentle smile appeared on Tetsuya's face. "I just mastered it a while ago, Naruto. If you're ever injured, come find me at Konoha Hospital. I treat injuries there every morning."

"Too strong!" Naruto's eyes sparkled with admiration. "I've decided! When I become Hokage, you'll be the head of Konoha Hospital!"

Tetsuya chuckled. "Alright, I'll wait for that day."

"It's getting late. I need to go home and train. Next time, I'll treat you to barbecue, okay?"

With that, Tetsuya waved goodbye to Naruto. Naruto waited until Tetsuya was out of sight before turning away, determined not to let his new friend down.

After leaving Naruto, Tetsuya ran home as fast as he could. What had started as an ordinary day had turned extraordinary due to a whim.

"System, extract Pure Ashura Chakra."

Although the system lacked intelligence, its design was considerate. Rewards of this level could be extracted at his discretion, preventing unwanted exposure. Most importantly, he had received pure Ashura Chakra—pure energy.

There had been much debate in his past life about Naruto's forgiving nature and near-saintly patience. Many believed it was due to Ashura's Chakra influencing his personality. If that were true, Tetsuya wouldn't dare merge with it. Fortunately, the system's extraction was purely beneficial.

As soon as he commanded, Tetsuya felt his Chakra surge, stimulating a profound transformation in his body. Vitality filled him, and the fatigue from his sprint home disappeared.

"Open the attributes panel."

Character: Kamiyo Tetsuya

Age: Four years old

Constitution: 35.3 (Sage Body is awakening)

Spirit: 20.3

Chakra: 1.1 cards

Skills: Chakra Refinement (Level 2 56/200), Throwing (66/400 Level 4), Great Fireball Technique, (Level 2 55/200), Three Body Technique (128/300 Level 3)

Chakra Attributes: Wind, Thunder, Earth, Yang.

Points: 103

Comments: Strong body, amazing Chakra. Congratulations, the future is promising, but for now, you are still no match for an experienced Chūnin.

Seeing his physique and Chakra increase significantly, Tetsuya smiled. Today's harvest was truly great. Even the Chakra units had become standard measurement units.

As we all know, the Naruto world has two standard units of measurement: Kakashi for Chakra and Asuma for money.

"This isn't even the most powerful effect of Ashura Chakra."

Tetsuya knew that Ashura's true power lay not just in the surge of Chakra but in the complete transformation it provided. The Sage Body had powerful self-healing abilities and offered immense advantages in learning Sage Mode. Just look at Hashirama. Tsunade's Baihao Technique was just his passive ability, and he could enter Sage Mode instantly.

"I wonder when I'll get Indra's Chakra from Sasuke."

Human desires are endless. Fresh from the joy of acquiring the Sage Body, Tetsuya was already thinking about Sasuke. But for now, he had to wait until he entered the ninja academy to get closer to Sasuke.

For now, he encouraged himself and took out the scroll of Wind Style: Great Breakthrough. His attribute panel showed his ninjutsu skills were still lacking. He didn't want his future self to be like Naruto with limited moves. He wanted his style to be like Uchiha Madara's—gorgeous and powerful.

Even if he couldn't achieve that level, he at least wanted to be known as a ninjutsu master.

Although the Third Hokage shamelessly claimed to be the strongest Hokage, his mastery of all five nature transformations was undeniably impressive. With that thought, Tetsuya immersed himself in his training, determined to reach new heights.