"Dad, you're so weird. Why do you take medicine every so often?
Are you not doing well anymore?"
Tobitake Keigo had just opened a new book when he saw his father taking medicine again and wondered whether he was no longer doing well.
"What are you talking about? It's to keep my body nourished. My body is still growing!" Tobitake Tonbo said.
Tobitake Keigo said, "Impossible. You're already this old. You passed the age of development long ago. Stop treating me like a three-year-old!"
He looked utterly disdainful.
Fine was fine, and not fine was not fine. What was this nonsense about nourishing his body?
"Didn't you say you wanted to study chakra's ultimate secrets?
In that case, I'll teach you the ultimate ninjutsu knowledge your father has researched.
Though you might not necessarily be able to learn it."
Tobitake Tonbo patted his head as he spoke.
Bang!
He then used the Summoning Technique to summon his collection.
Over the years, he had written down the entire research process, from Forced Evolution to Forced Execution.
The theory alone filled nearly ten books, each ten centimeters thick.
One of them was even a catalog of all the knowledge involved.
Only after mastering that knowledge and then studying the process of learning the ninjutsu could one learn it completely.
Tobitake Tonbo had not originally intended to pass it on to his children, because their talent made it impossible for them to learn it.
But Tobitake Keigo had a good brain, so perhaps he had a chance.
At worst, it could serve as a reference, much like the Genjutsu knowledge he had once gleaned from the Kurama Clan, allowing him to develop something of his own.
"I can't even refine chakra yet, so don't use these to tempt me.
I won't fall for