Naruto: I Have Doraemon

Under the Starry Moonlit Night

On the side of the open road, a pile of bonfires swayed with the breeze, outlining a beautiful scene.

Naruto and Kakashi sat around the campfire, staring absently at the flickering and dancing lights. Well, Kakashi was more focused on the little red book in his hand.

After a tiring day on the road, the convoy had fallen asleep after eating and drinking enough.

Sasuke, having caught up on sleep during the day, had decided to join the team for some physical training. He was quite motivated by Lee's enthusiasm and had finally pushed himself to the limit!

Now, he was sleeping nearby.

Little Sakura had also been assigned by Kakashi to take turns keeping watch with Naruto, but now she was going to rest as well.

Naruto asked Doraemon to use the Sightseeing Phantom Machine to check the surrounding hundred miles, but he couldn't contain his excitement and started formulating his own plan.

"Mr. Kakashi, I have something to tell you…"

"Oh? What's up?"

Kakashi replied lazily, not looking up from the little red book.

"Mr. Kakashi, if you had the chance to go back to the past, what regret would you most want to change?"

Seeing that Kakashi remained unmoved, Naruto asked tactfully, a bright light flashing in his eyes.

"Back to the past? Changing regrets…"

Kakashi paused slightly while reading, a flicker of pain crossing his eyes as he whispered unconsciously.

His father's suicide was a pain Kakashi could never let go of. The deaths of Obito and Rin haunted him throughout his life. The loss of his teacher and his teacher's wife also caused him unspeakable grief.

So many regrets…

No! I finally buried those pains; I can't recall them anymore!

As the unforgettable memory resurfaced, the pain sliced through his heart like a knife. His eyes sharpened as he immediately suppressed those thoughts.

"Mr. Kakashi, I have a way to bring you back in time. Do you want to try it?"

Naruto, observing Kakashi's expression, saw the determination in his eyes and immediately dropped his bombshell, leaving Kakashi stunned for a moment.

"Back to the past? Impossible... How can there be such a ridiculous thing?"

Kakashi's head snapped up, his eyes narrowing as he stared at Naruto, suppressing his inner turmoil while speaking in a cold voice.

"Try it, and you'll find out! You have nothing to lose…"

Naruto quickly took out the Life Regeneration Machine from his backpack, handed the T-shaped headgear to Kakashi, and said, "Here, try this on."

"Naruto, stop making such jokes! Put away your strange things. I don't believe in that!"

Kakashi glanced at the headgear, the corners of his eyes twitching, and refused with a righteous tone.

"Mr. Kakashi, how could I lie to you? Look at this…"

Naruto was prepared for this reaction; he handed the headgear to Kakashi and stared intently at him.

Flipping his palm, a blue Rasengan appeared in his hand.

"Rasengan??? How could you do this…"

Kakashi's complexion changed instantly, his right eye widening in disbelief as he exclaimed.

"This is what you taught me! You'll understand when you come back. Now put on the headgear and enter the time you wish to visit. You'll bring your current strength with you to the past.

But it cannot be before the age of ten; your body won't be able to handle it. You'll have only one day, so choose carefully…"

Naruto dispelled the Rasengan and handed the time adjustment machine to Kakashi.

He deliberately set the time limit to after the age of ten to prevent Kakashi from trying to stop White Fang's death.

In the future, Naruto believed that Kakashi's bond with Obito would lead him to choose the battle of Kannabi.

Apart from Kakashi, no one knew which day that was.

As the most knowledgeable ninja in Konoha, Kakashi quickly analyzed the pros and cons in his mind.

Rasengan—only he and Jiraiya could use it.

If Naruto claimed his Rasengan was taught by him, then there was only one possibility: he learned it through this machine that travels back to the past.

That meant there was a good chance this machine was real.

Despite the various mysteries swirling in his mind, Kakashi decided to try the machine first and have a good talk with Naruto afterward.

Everything needed to be verified about the authenticity of this machine.

Kakashi's eyes gleamed with determination as he put on the headgear and quickly adjusted it to that unforgettable day in his life.

Naruto saw the time, quickly calculated in his mind, raised his hand, and pressed the start switch.

At the same time, Kakashi felt the world whirl around him, as if he were falling into an endless vortex, spinning and sinking…

Konoha, 46 Years Ago

At this time, it was the period of the Third Ninja World War.

"In the world of ninjas, those who break the rules and regulations are called trash. However, a person who doesn't cherish their comrades is even more worthless. If everyone is trash, then I will break this rule and choose to be someone who values their partners! If that's the case, then I'm not a real ninja. I will defeat that ninja!"

Just as Kakashi regained consciousness, he heard this unforgettable cry.

"Really, back to that day! Obito…"

Kakashi opened his eyes, trembling hands reaching in front of him as he looked down at the familiar attire of his teenage years. When he saw the familiar back he had lost, he broke down and growled softly, "Obito…"

"Wait… At this time, has Rin already been taken away? Rock Shinobi, I will end your lives…"

Kakashi suddenly woke up, his eyes filled with cold resolve, and in an instant, his figure vanished from the spot.

With the strength of his future self, Kakashi now possessed the power of an Elite Jōnin.

'Obito, this time I will do my best to protect you and Rin. I promise...'

In just a split second, Kakashi caught up with Obito, pouring out his sincere feelings.

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