Uchiha Obito was sneaking around.
Back then, after being provoked by Hyuga Sho into personally watching him spar with Nohara Rin.
Uchiha Obito awakened the true power of the Wood Release Cells.
At the same time, the abilities of the White Zetsu Cells also increased greatly.
After learning the Mayfly Technique, Uchiha Obito could, to a certain extent, sneak through the soil.
Soon...
Uchiha Obito entered the Underground Base.
And found Yakushi Kabuto teaching Naruto Uzumaki how to read.
"Cha, kra, la."
Yakushi Kabuto adjusted his glasses and read these characters aloud.
"Cha, cha-dora..."
Naruto Uzumaki frowned and repeated it with a troubled look.
"It's chakra..."
Yakushi Kabuto turned around and looked at Naruto Uzumaki's tightly furrowed little face.
Apparently, reading was quite difficult for him...
"Chadola."
"It's chakra."
"Chadola."
Yakushi Kabuto: "..."
After a moment.
The corner of Yakushi Kabuto's mouth twitched.
Judging by his intelligence, which was comparable to Kakashi's, or even surpassed it.
This Naruto Uzumaki...
Could he be mentally deficient?
But then again, how should he put it? Since this was a task ordered by the adult, Hyuga Sho.
He had to complete it properly.
"Chakra."
Yakushi Kabuto patiently guided him hand over hand.
"Chadola."
Naruto Uzumaki also studied earnestly and diligently.
The scene looked like a cheerful little classroom.
"..."
The Uchiha silently appeared behind the two.
The next moment.
Yakushi Kabuto suddenly swung his right hand. Green Mystical Palm Technique glowed in his palm as he thrust it toward Uchiha Obito.
His arm was caught with ease.
"Not bad talent..."
Uchiha Obito said casually.
But... it was still not enough.
The next moment.
Uchiha Obito used the Sharingan. With a single glare, he froze Yakushi Kabuto in place.
"Kabuto, Kabuto-senpai?!"
Naruto Uzumaki reacted and widened his sky-blue eyes in shock.
Although he had no