Although Kakashi had once possessed a Mangekyō Sharingan, he was not a true member of the Uchiha Clan after all. His understanding of the Sharingan was mainly limited to its practical use.
Therefore, although he noticed some subtle changes in the pattern of Sasuke's Mangekyō Sharingan, he could not determine the reason right away.
"That kid was clearly full of fighting spirit just now. Why did he suddenly lose interest?" After a pause, Kakashi reviewed the sparring match again and seemed to realize something. Could it be that he thinks using the Mangekyō Sharingan means he's lost?
The more Kakashi analyzed it, the more convinced he became that this was the case.
Does that brat think he can easily defeat me without using the Mangekyō Sharingan? I'm the acting Hokage, for goodness' sake, and he actually looks down on me this much...
Kakashi immediately gave a wry smile.
He had long sensed that Sasuke did not particularly respect him as his Jonin instructor, but he had not expected Sasuke to underestimate him so badly. It left him both annoyed and amused.
However, he quickly adjusted his mood.
"Heh, how can I let a little brat look down on me like this?"
With Kakashi's experience, he naturally would not bicker with a boy like Sasuke. Still, Sasuke's attitude stirred up his long-dormant competitive spirit.
Moreover, Obito, the close friend he needed to stop, was even stronger than Sasuke. Since both Obito and Sasuke were members of the Uchiha Clan and possessed Mangekyō Sharingan, Sasuke was an excellent opponent for him. Thus, Kakashi decided that the next time he sparred with Sasuke, he would treat him with the same seriousness he reserved for Obito.
Meanwhile.
After leaving the training ground, Sasuke sheathed his sword with a gloomy expression and began reflecting on