As Sasuke With 10-Quest System

Hidden Rain Village:

"Come, he is here," Konan said to Pain, who turned around to see "Madara" in front of him.

He, alongside the other Akatsuki members, had already heard about "Tobi" and Deidara's death from Zetsu in one of their holographic meetings.

They had already declared Sasuke a threat once they heard how effortlessly he killed Deidara and "Tobi." Even Kisame was worried for Itachi since it was a publicly known fact that Sasuke was after Itachi's head.

"How about Sasuke?" Pain asked to which Obito as Madara replied.

"Don't worry, he will join us soon. His Sharingan has already evolved into Mangakeyo. Although his eyes are already on par with Itachi, he won't be a threat in the long run," Obito said optimistically.

"What about Nine Tails?" Pain asked.

"You hunt it. As the leader, I will not tolerate Failure." Obito ordered Pain to go after the nine tails jinchuruki, Naruto.

...

"Are you sure that Sasuke was here?" Sakura asked Kiba as all the Leaf ninjas ran into each other.

"I have never been betrayed by my nose," Kiba said.

"Does that mean Sasuke fooled us again?" Naruto said in a loud voice.

"He is definitely a slippery fellow" one of the dogs said.

Soon the normal conversation turned into a heated argument questioning Kiba's abilities. Kakashi was about to stop them but he saw something near them.

"This is" Kakashi said as he picked up a kunai. The kunai was very similar to the one he received from his teacher, Minato, on his birthday.

"How is this possible?" Kakashi was in disbelief which Yamato noticed.

"What is it Kakashi? Did you find something?" Yamato said as he approached Kakashi.

"Sasuke was indeed here just a moment ago," Kakashi declared, which attracted everyone's attention.

"Then where did Sasuke disappear, sensei?" Sakura asked.

"Yeah, how can Sasuke disappear suddenly" Naruto said as he also wanted to know the answer.

"This is a hiraishin kunai" Kakashi said as he showed them the kunai that he found.

"What is this kunai, sensei?" Naruto asked.

"This kunai is similar to the one that the 4th Hokage used to use. If Sasuke had it then that means he have learned the Flying Thundergod Jutsu" Kakashi explained about the kunai.

However, no one had any idea what that jutsu was since they had never heard of it except Yamato.

"If it is the same as the 4th Hokage, then that means it's impossible to catch Sasuke," Yamato said, to which Kakashi nodded.

"Sensei, what is this jutsu?" Naruto asked as everyone waited for Kakashi's answer.

However, they were all stunned once they heard how incredible Flying Thundergod jutsu was.

"That means it's useless to chase Sasuke" Shino said.

"That's fine. I will also learn this jutsu and bring Sasuke home" Naruto shouted optimistically.

"That might not be possible," Kakashi said, which attracted everyone's attention yet again.

"What do you mean, Kakashi?" Yamato asked.

"After the death of the 4th Hokage, many people wanted to get their hands on this jutsu. On one such night, some enemy ninjas sneaked into Hokage's office and tried to steal that jutsu.

However, they all failed but one of them ended up destroying the part of the forbidden jutsu scroll that contained information about Flying Thundergod so the Hidden Leaf Village can't have anyone as threatening as the 4th Hokage in the future.

Despite the enemy attempts, we managed to recover a fragment of Flying Thundergod jutsu but it needs three people to perform now.

Even if we had the complete version of the jutsu, we wouldn't be able to use it due to its insane difficulty. Only the 4th Hokage had mastered it in all of history." Kakashi explained about what happened to the Flying Thundergod jutsu.

"Fourth Hokage was really incredible." Naruto said to which Kakashi nodded with a smile.

"Then, how did Sasuke learn it?" Sai who was silent till now asked.

"I'm not sure but it's definitely related to Orochimaru" Kakashi said.

"Then what should we do now?" Naruto asked with a sad face.

'Naruto-kun' Hinata said in her mind with a worried face after seeing a sad Naruto.

"Cheer up, we don't have to catch Sasuke. We just need to find Itachi before he does," Kakashi said, which cheered up Naruto and gave him hope.

*Sniff*Sniff*

"I can smell Sasuke again. He is going towards the west" Kiba said to which the dogs nodded.

"Wait for me Sasuke, im coming" Naruto said with determination.

.....

Some moments ago, Toshiko was on her way to the Hidden Sound Village when Sasuke suddenly appeared besides her.

She was about to attack Sasuke but stopped at the last moment after seeing Sasuke.

"Are you alright?" Toshiko asked.

"Yeah, I was just trying to see if this jutsu of mine works properly," Sasuke said as he gave her yet another kunai since the previous one was at the place where he was before teleporting.

"Thank you. Do you want me to come with you?" She asked with a smile but was rejected after receiving a kiss.

"No, just go back to the base fast" Sasuke said as he left the area to not attract Leaf Ninjas towards Toshiko.

Along the way, he kept using Flying Thundergod to get used to that jutsu. He also randomly marked some locations for fun.

"Wait, I could do that!!" Sasuke said as he had a brilliant idea to kill Itachi.

Sasuke took a little detour using Flying Thundergod and completed his plan, which took less than a minute, and went back on track in pursuit of Itachi.

Along the way, he felt someone watching him but decided to ignore it. He already knew that it was either Obito or Zetsu since the chakra didn't belonged to any of the Leaf ninjas.

'My chakra control and senses are much better after removing the seal. Maybe I couldn't focus before due to the pain in my neck and I also have Eternal Mangekyo on top of that" Sasuke said as he increased his speed.

After some time, Sasuke finally reached the Uchiha hideout where Itachi and Kisame were hiding. Surprisingly, he never met Kisame on his way here which made Sasuke frown.

....

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