Konoha.
"Keigo, can you understand it?" Tobitake Tonbo sat on the sofa, watching his three-year-old son continuously flip through the book with curiosity.
That was advanced mathematics.
Hearing this, Tobitake Keigo flipped another page. "It's a little difficult. Compared to intermediate mathematics, the difficulty of advanced mathematics has increased by more than just a little."
"If you don't understand it, why are you reading it? Come here and let your dad teach you.
"Back then, your older brother and sister were both taught by me."
Tobitake Tonbo raised his head and spoke proudly.
He was an omnipotent top student.
Over the years, he had learned who knew how much knowledge through the Shadow Clone Technique.
And it was not limited to ninjutsu.
Not only could he call himself a professor of ninjutsu, he could call himself a professor in other subjects as well.
"No need. I feel like you wasted my brother and sister's talent, Dad.
"At this level of difficulty, they only needed to spend a little more time than they did on advanced mathematics."
Tobitake Keigo said bluntly.
He did not seem like a child at all.
Wisdom gleamed in his eyes, bright and dazzling.
"...You really know how to crush your dad..."
Tobitake Tonbo was speechless.
He had wanted to fulfill his duties as a father once more.
But unexpectedly, Tobitake Keigo was nothing like Tenyu or Maki.
He was too smart, leaving his father with no sense of involvement.
And he was obedient too. Whatever he was told to do, he could do it well.
His talent far surpassed Tenyu and Maki's back then.
Though this was the kind of thinking suited to research, not necessarily intelligence like Shikamaru's.
He was still too young to be sure.
However, Tobitake Tonbo could already tell that his youngest