Ever since they had started training, Sasuke and Naruto had been unusually excited. Of course, Sasuke was extremely reserved; on the outside he still wore that cold, silent expression, but inside, he was nowhere near as calm as he appeared.
After witnessing a true clash between elite jonin, Sasuke's thirst for power had only grown stronger. That man's back seemed so far away. The ambition for revenge had taken root and sprouted in Sasuke's heart, so he was deeply interested in any method that could increase his strength.
As for a straightforward guy like Naruto, there was no need to say much. Whatever he felt showed right on his face, and that excitement of his went without saying. Of course, the three of them all had different training programs.
Unlike Sakura and Sasuke, Naruto had long since completed the tree-climbing and water-walking exercises for ninja chakra control under Ueno Kei's guidance. Kakashi had vaguely sensed as much too, and when Naruto truly showed it, Kakashi wore an expression that said, As expected.
And Sasuke's cool face became even colder. No matter what, the proud him still could not admit the fact that Naruto was above him.
Because of that, under Kakashi's guidance, he trained even harder. Every night, unless it was deep into the night and unless he had trained himself to utter exhaustion, he absolutely refused to stop.
Especially when Sakura could complete tree-climbing with ease and move on to practicing water-walking, it made Sasuke, that proud little brat, tighten up even more inside.
Naruto was the same. After Kakashi learned that aside from Shadow Clone, Naruto did not know any ninjutsu at all, he considered that Naruto's chakra control should already be quite good.
Using chakra paper, he tested that Naruto had wind-natured chakra. After some thought, he