The next day, after the day, Kakashi had Naruto start living with him, the expected summons came through Anbu for him. This was obviously a summon from Hiruzen, who would like to know, for what circumstances Kakashi took such a step.
In the Hokage's office, Kakashi stood with hands in his pockets, expressions casual, but hidden under his mask and forehead protector covering his left eye, leaving his right visible eye, to glance straight at Hiruzen's old, wrinkled eyes.
Hiruzen took a drag from his smoking pipe, turned his chair, where he sat, and faced towards the window. Then asked, "Kakashi, why did you take Naruto in with you?"
Kakashi's gaze sharpened, but Hiruzen, who wasn't facing Kakashi, didn't notice this, taking another drag, waiting for Kakashi to respond, while himself looking outside of the window to the Hokage monuments, at previous Kage's carved faces.
Kakashi said, "I want Naruto to live up to his potential, as you know that even without Nine-Tail's, Naruto alone also possesses great innate talent and potential than anyone in the world. There would be very few who can match it, and I definitely wishes him to live up on that potential."
Hiruzen, hearing Kakashi, chuckled and said, "Yeah, that's correct, being Minato and Kushina's son, he has very high innate talent and potential and also was the best candidate for being the Jinchūriki of Kyūbi."
Hiruzen turned back to face Kakashi, and asked, "So, you want Naruto to stay with you, and teach him extra personally as well, aside from Sasuke and Sakura? Is that really all...?"
Kakashi replied, no change in his tone, "Not exactly, but more precisely this, and I think it would be better for him to have company, after all he has been ostracized almost forgot all of his life."
Hiruzen took another drag from his smoking pipe and asked, "Hmm.. if he stays with you, even aside from daily training time, that would indeed help him grow accustomed to, and might not be consumed by darkness, from the Chakra of Nine-Tail's."
Hiruzen then nodded and looked at Kakashi with his usual warm smile and said, "Well, I think his previous place is also good for him, but that's also a good decision Kakashi."
Hiruzen then chuckled again, and said, "But I hope, you didn't go and even take Sasuke in, he has all Uchiha Compound for himself. Alright, you can leave now."
Kakashi nodded, then bowed slightly and vanished with a Flicker, swiftly and immediately.
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Outside the Hokage building, Kakashi sighed dryly, and shook his head in disappointment at Hiruzen, he didn't believe that Hiruzen should have summoned him for such a small matter.
Kakashi isn't even sure what's going on in Hiruzen's mind, does he really care about the Village over anyone, or just faking his grandfatherly appearance.
His thoughts then wandered at positive stuff. After all the hard training his Shadow Clones had done on Rasengan merging with Fire Release Chakra, had started to show results.
He can now create an orb in his hand, full of engulfing flames over it, the only thing that remains is to completely compress it, as it still vanished instantly as it's formed. Because, the moment Kakashi used chakra to form it on his palm, compress that chakra for Fire Rasengan, at the same speed, chakra started to leak out and vanished.
It's current time span is even less than what Naruto's Rasenshuriken had initially when he created it in anime.
From the day he encountered Zabuza and later that day, even acquired the Wealth of Gato, he has restarted having his Shadow Clones training again. But this time, he created and have his Shadow Clones in his Inventory Seal, as that can also contain living entities like Bijuu and ninjas as well.
From that time to now, his half Shadow Clones that have been training in Fūinjutsu, have already been able to learn the Eight-Trigram Seal. After all that wasn't actually any of Uzumaki's sealing technique, but what Minato had created, with his own genius, when he sealed Kurama in newborn Naruto.
Which later Hiruzen had sealing ninjas replicate, though not able to done properly, and put that in the Scroll of seals as a forbidden Jutsu. However for his Shadow Clones, that wasn't much a difficult task, overlapping two Four-Symbol Seals, plus he also has Naruto to get a proper idea for the seal.
It only took his Shadow Clones a few days to make it, and from last week, his half Shadow Clones, out of 50 which he used, knowing his mental fortitude or strength limit, which his brain can handle, he started to have them create a new sealing technique.
A technique that can even seal or block Intangibility of Kamui, more like for blocking Space-Time Ninjutsu abilities, which also includes Flying Thundergod Jutsu. Even though he currently can of the abilities of his Left Kamui, but he believes, in future others might also be accessible to him, and this Fūinjutsu will help in fighting head-on against Obito better.
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Later on the day, Kakashi observed the training of Naruto and Sasuke, while later also paid a visit to Sakura, at medical department, who was also diligently training in medical Ninjutsu.
Currently, evening descended upon Konoha, shading sky in a gray-purple, Kakashi said, "Alright, training's over, let's have dinner."
Naruto smiled, and showed Kakashi his right hand, where he carried a water balloon and said, "Kakashi-sensei, I successfully completed the first step." The water balloon started to fidget, in Naruto's steady palm, and burst out from the force of his chakra alone.
Kakashi wasn't much surprised, just nodded and said, "Good, tomorrow you can move to the second step, Rubber Ball."
Naruto rubbed his nose and smirked at Sasuke, "Hehe..."
"Humph!" Sasuke snorted, crossing his arms and looked away, while muttering, "Shadow Clones are really quite effective, if I also can make so many clones."
Kakashi heard him, and chuckled, then said, "Alright, let's move. Sakura might have even been waiting at Ichiraku Ramen shop."
With that Kakashi started to walk, Naruto excitedly jumped and got in front of him, Sasuke also followed them from behind, still crossing his arms, looking to the side.
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At Ichiraku Ramen shop, Sakura was already sat at the counter, with Kakashi's shadow clone, who immediately dispersed upon seeing them.
Naruto waved his hand at Sakura, took the seat to the right of her and asked, "Sakura-chan, did you order something?"
She shook her head and said, "No, not yet, I have been waiting for you." Then she looked at Sasuke, who simply gave her a nod.
Afterall aside from morning, for now they usually, only met each other for dinner, after training. Then Ayame came, greeted them with a smile and took their order.
Sasuke then asked, "Sensei, when are we going to do our next mission?"
Kakashi looked at him, then at Naruto and Sakura, who also were curious and asked, "Are you really that eager for doing Miss—! Shh!"
Kakashi suddenly felt a short pang of pain, more like itching on his left Sharingan eye, under his forehead protector. Kakashi didn't remove his forehead protector, just rubbed his eye from it.
Sakura immediately asked, little worried, "Kakashi-sensei, what happened?"
Naruto and Sasuke also looked at Kakashi, with slight worried expressions. Kakashi then waved his hand and said, "Nothing, just suddenly got an itching, don't worry."