In the worst-case scenario, the organs of the body would fail to function simultaneously, and death would come in the form of unimaginable suffering.
Moreover, this regeneration process is not perfect. If the target has a congenital disease, Fuinjutsu: Age Reversal Seal will not be able to eliminate it.
Old wounds that had once healed may reopen, and the side effects of other techniques that were used in the past could resurface in unexpected ways.
In fact, hormonal imbalances caused by sudden changes in the body could lead to unstable emotional fluctuations, creating drastic personality changes.
And most terrifying of all—if the Chakra and Natural Energy used in this seal go out of control, regeneration could continue indefinitely, causing body tissues to grow uncontrollably.
In such conditions, flesh would begin to regenerate itself without a clear pattern, creating excess lumps of flesh, ultimately transforming the victim's body into something no longer human.
In the end, 'Fuinjutsu: Age Reversal Seal' is a double-edged sword.
Reiji offers the chance to return to youth, but with risks that cannot be taken lightly.
Every user must carefully consider whether the price to be paid is worth the benefits they gain.
For in a world where time is humanity's greatest enemy, outsmarting age is not something that can be done without consequences.
...
...
...
"By the way, did you tell anyone else that you became young again because of me?" Reiji asked, his eyes curiously fixed on Mito.
The red-haired woman smiled faintly, her sharp yet gentle eyes glinting in the room's light.
Mito shook her head slowly, causing her short strands of hair to sway gently.
"Of course not," Mito replied in a calm tone, her hands folded in her lap.
"Why would I do that?"
Reiji nodded slowly, as if pondering something.
However, before the conversation ended, another question suddenly crossed Reiji's mind.
"Is that so... Ah! By the way, has Kushina started learning at the Ninja Academy?" Reiji asked, a curious expression lighting up his face.
In Reiji's mind, he imagined the possibility that after he lost consciousness from helping Mito regain her youth, Kushina might have been taken to start her training as a ninja.
If so, there was a good chance that Kushina had already met Minato.
Reiji felt intrigued to know how the first meeting between the two people who would one day become the parents of the child destined to save the world went.
Mito looked at Reiji for a moment before answering.
Mito's face remained calm, but there was a hint of pride hidden in her tone.
"Yes, Kushina has started learning at the Ninja Academy," Mito said.
"Five days after you lost consciousness, I decided to send her there."
"I didn't want Kushina just sitting here, waiting for you to wake up from your fainting."
Reiji listened attentively.
A smile slowly appeared on Reiji's face, and his gaze softened.
"That's good..." Reiji said, nodding slowly.
Mito observed that expression.
Silently, Mito felt relieved.
Without saying anything, Mito's lips curved into a small, meaningful smile.
Suddenly, hurried footsteps were heard from outside the room.
The sound of the typical sliding wooden door of a Japanese house shifted, and instantly the air in the room became warmer as three figures appeared in the doorway.
Kushina, with her long red hair flowing with her steps, entered with enthusiasm.
Beside Kushina, Tsunade stepped in gracefully with an expression that was hard to read.
Meanwhile, Nawaki looked excited, though there was a slight mischievous smile held back at the corner of his lips.
------------------------------
[Announcement: A New Novel Has Been Added!
The Puppet Maker in the World of Naruto
A man who is a scientist, researcher, and expert mechanic in robotics dies in a massive explosion that occurs in his laboratory while developing an advanced robot project. However, instead of experiencing death as he thought, the man awakens in another world—a strange place with vast stretches of desert.
There, the man is surrounded by people who can jump high, calling themselves ninjas. The confusion he initially felt grows as he realizes that this world is not unfamiliar to him. This is the world of Naruto! However, there is one thing that surprises him.
"Isn't this Sunagakure? Why am I not in Konoha? This poorest village... Oh my God, this is serious!"
Now, in the midst of a new life filled with danger and uncertainty, the scientist must find a way to survive in Sunagakure, a harsh place full of limitations. With his robotic knowledge, can the man change his fate in this ninja world, or will he fall along with the village?]
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