(June, year 54 AK)
Yuta found himself standing in the living room at home, it was late at night, and he was about to go to sleep. It was just the night before the previous events, the same point in time he had traveled to the last time.
As soon as Yuta left his mindscape after the time-travel and found himself standing in his living room, he felt how the calming effect of the River of Time subsided, and the next moment a huge amount of adrenaline hit him all at once.
His hands start shaking, and a cold sweat covers his entire body. He was calm all this time thanks to the influence of the River of Time, but now, realizing what exactly happened to him, all the suppressed emotions hit him all at once.
'I almost died back there!' Yuta thought, his mind was in a panic mode, a strong sense of cold fear gripped his heart, as he slowly walked to the bed and sat down and clutched his head with his trembling hands.
'When my mind was hazy and I wasn't able to enter my mindscape, somehow I was still able to channel the Calm State, I didn't even know I could do that, and the Calm Sate helped me to clear my mind and eventually enter my mindscape to time-travel... If it hadn't worked, I would be dead for good right now. Also, if I hadn't followed the rule to never time-travel less than eight hours just to be safe – I would also be dead...' Now that Yuta's emotions are no longer suppressed by the influence of the River of Time, he was utterly terrified by what happened.
...
'I've grown too comfortable! With my time-travel ability I started to believe that I'm invincible and immortal, I've taken my safety for granted, thinking that I will be able to escape any danger at any moment with my time-travel! And I became careless because of that! And I almost died because of that!' The intense fear that Yuta felt started to slowly subside as he started to calm down.
'If I hadn't managed to channel the Calm Sate or if the Calm State hadn't cleared up my mind, I would be dead by now...'
'And it all happened because I got careless, I always knew about Obito and Zetsu, I always knew that Zetsu is the perfect spy, completely undetectable for me and Shisui, only Kurama, the Nine-Tails can detect Zetsu, and still I was started talking about Obito's secrets right there in the open, and I almost died for it...'
'I used time-travel so many times that I started treating this reality and my new life as if it was a videogame with a save-load feature, I believed myself to be invincible with it. But it couldn't be any further from the truth. I always knew that there are many powerful individuals and dangerous jutsus that could harm even me, but I still wasn't taking it seriously, dismissing the danger and thinking that I would be able to handle anything...'
'I must be more cautious and careful if I want to survive in this world. My time-travel is not invincible, I still can be killed, and chances of me dying is much greater than what I wanted to believe it was.'
After coming to realization of his problematic careless mindset, Yuta adjusted his worldview to take things more seriously.
He recalled his thoughts from the first days when he found himself in this world, he remembered how terrified he was when he was thinking about all the dangers and crazy murderers in this world, and how he put his own survival as his top priority.
But after that, a lot of time had passed and a lot of new discoveries were made, a lot of skills were trained, and gradually, Yuta grew less afraid and more careless, overestimating himself and underestimating the dangers of this world.
After recalling that, Yuta even felt somewhat grateful for what happened to him, the reality check that Obito gave him, it was the thing that he needed the most, it helped him realize how careless he had become, and carelessness is a deadly disease in this world, especially for him, since he wanted to use his future knowledge to interfere in the events that he is too weak to handle himself yet.
...
Yuta spent some time rethinking his actions and plans through the lens of his new perspective that he gained after going through this dangerous situation, he thought about how he should proceed from this point onward, and after that he finally went to sleep.
'Well, whatever happened – happened, what doesn't kill me – makes me stronger, or whatever.' He thought jokingly, as he finally was able to fully relax and calm down after what happened.
...
Next day Yuta arrived at the training grounds and approached his teammates. As he came closer to Itachi and Hikari, Shisui showed up at the same time and greeted them.
It went the same way as the last time, Shisui had told them that he was going to teach a new jutsu to each of them, created two shadow clones and asked Yuta to follow him into the secluded part of the training grounds.
As Yuta walked behind Shisui, he concentrated on the molding of his chakra to perform a simple genjutsu without any hand seals, and without any signs being visible from the outside, although it was hard for him to do and he spent about twenty seconds concentrating on the chakra molding process while they walked.
As both of them reached the same secluded place as the last time, Yuta finally completed his jutsu and released it, targeting Shisui. It was a simple genjutsu with only one simple effect, Shisui will hear his voice, a simple sentence that Yuta had infused into it to secretly communicate with Shisui. It wasn't hard for Yuta to do something like that after all the genjutsu training he went through, and he had already done something like that before, when he used his genjutsu against Hikari to get away before.
The message was rather simple - "An undetectable enemy is spying on us, use your genjutsu so we could talk privately."
As Yuta released his genjutsu on Shisui, Shisui detected it instantly, but as Yuta expected, Shisui didn't resisted it right away, and allowed it to influence him, then as he heard the message and the genutsu dissipated right after that, he didn't react and behaved as if nothing happened.
As they stopped at the same secluded spot of the training grounds as the last time, Shisui looked at Yuta casually as always, and said calmly, "The new jutsu I'm going to teach you... Well, but before that, I remember you always wanted to test out the Sharingan genjutsu, I think you are ready for it now, of course if you are still interested."
"Yes, I'm still interested, let's do that." Yuta replied enthusiastically, although it was obviously an excuse that Shisui came up with to use his genjutsu so they could communicate in private, without the hidden enemy suspecting a thing.
Shisui's eyes turned red and the three tomoe appeared around his pupils, the next instant, as Yuta was still looking into Shisui's eyes, he saw as the world around him turned slightly gray.
"We can talk here openly, you are currently inside my genjutsu, no one outside will hear us." Shisui said, and his casual attitude turned serious.
'This is impressive.' Yuta thought as he analyzed the genjutsu and his own chakra network, it felt different from the regular kind of genjutsu that Yuta had subjected himself to during his training, it felt powerful and on a completely another level than anything Yuta could do himself at this point.
"So, who is the enemy and is there any immediate danger?" Shisui asked after a moment of silence, clearly being tense after hearing Yuta's message before.
"There shouldn't be any immediate danger." Yuta replied as he stopped analyzing the genjutsu and returned his attention back no Shisui, "The enemy's name is Obito Uchiha."
"Obito... Uchiha..." Shisui slowly repeated, "He is the one you told me about the other time? The one who was behind the Nine-Tails attack?"
"Yes. I didn't know it before, but now I know for sure, he is currently scheming from the shadows to harm the village, he wanted to weaken the village by making the Uchiha clan to clash with the village." Yuta said in a grave tone.
"Obito Uchiha... Another powerful enemy who is targeting us... And that was when I thought it couldn't get any worse..." Shisui said slowly, "But it might actually work in our favor, if we capture him, the suspicion and blame could be shifted from the Uchiha clan." Shisui said as determination was gradually growing in his eyes.
"It won't be easy." Yuta said, "Or should I say, the chances of capturing him is very low."
"But he is already here, right? If he is around, we should be able to lure him out, or you believe that I won't be able to defeat him?" Shisui asked with determination and readiness to fight.
'He is impatient and wanted to act against Obito decisively, can't blame him, he was struggling to find a way to resolve the Uchiha's growing crisis for multiple years by now, it is hard for him to stay still when he sees the opportunity to end it all in a most favorable way.' Yuta thought as he looked at Shisui.
"It is almost impossible to capture him." Yuta finally said after he gathered his thoughts. Although Yuta believed that it was almost impossible to corner the escape-king of this world, he knows that he is not the one who is calling the final shots here, so he decided to trust Shisui's judgment and support him with information he had.
"His Mangekyo Sharingan ability is called Kamui, it's a space-time jutsu that allows him to freely teleport to any place he wants, and to make his body intangible to avoid any and all danger. And he also has Hashirama's cells implanted into his body, making his Mangekyo Sharingan eternal, that means that the usual weakness of the Mangekyo Sharingan of being damaged with every use is not applied to him."
After coming to a conclusion that it would be better to relay all the intel on Obito to Shisui to improve his chances of defeating Obito if it comes to that, Yuta starts speaking about every detail of Obito's abilities he knew, without holding anything back.
--- AN ---
The new jutsu is dangling like a carrot for the four chapters straight already, it wasn't intentional, I swear!
True title for the chapter - "I was careless and now I'm gonna pay for it... or not... but I'm definitely gonna learn my lesson from it, pt 4"
There is a relative coming tomorrow to visit me and be living with me for about ten days or so. And since I will be busy with some things because of that (mostly drinking and partying), the updates might become irregular and I might miss the schedule during this period, sorry about that in advance. But I'll try my best to post new chapters in time.
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Thanks to Loalola, Krishna_Razz, Eyes_Of_The_Void, Krishna_Rajbanshi_5171 and Jayroy_63 for the power stones.