Hayate Gekko...
Kyoichi's mind conjured up information about him.
Hayate, a family renowned for their swordsmanship.
Physically weak.
But...
In the memories of Kyoichi's past life, he recalled more in-depth details.
Wind Release, suspected tuberculosis.
In this era, without anti-tuberculosis medicine, Hayate Gekko was plagued by lung disease from a young age. Coupled with his training in Wind Release and swordsmanship, no wonder his life was cut short.
Kyoichi frowned.
To the Hayate family, he was just an outsider. Even if he wanted to intervene, what could he possibly do?
He didn’t know medical ninjutsu nor pharmacology.
There was nothing he could do.
For an illness like this, without a miracle cure, there was only one person in all of Konoha who could treat him—
Tsunade...
But right now, Tsunade was elusive as ever. Finding her would mean staking out gambling dens and bars, which was a Herculean task.
Fortunately, the good students were already taking care of the weaker ones, leaving Kyoichi with little to do.
Kids in the ninja world are so dependable!
Perfect time for some rest.
Before class, he had left a Shadow Clone at home to practice swordsmanship.
Too much fatigue, and he wouldn't last the day.
Meanwhile, in the office, the other teachers were struggling to comprehend what they were witnessing.
This...
Isn’t this kind of teaching misleading the kids?
But...
Oddly enough, the students were all motivated and incredibly enthusiastic.
What a strange phenomenon!
Could self-learning be more effective than teacher-led instruction?
Baffling.
They initially planned to spy and learn from him, but now they could only admit that Kyoichi’s teaching methods were beyond their understanding.
When the class ended...
Kyoichi glanced at the system notifications and couldn’t help but smile.
[You have inspired student autonomy. Most students have gained new insights.]
[Evaluation: Good]
[Reward: Increased proficiency in the Body Flicker Jutsu.]
Kyoichi’s Body Flicker Jutsu was decent but only passable for a Chūnin. Compared to a Jōnin, it was barely adequate.
This boost in proficiency came at just the right time.
He was starting to understand.
The system rewards seemed tied to the students’ progress and psychological responses.
Interesting...
Now he got it.
After pondering for a moment, Kyoichi clapped his hands to draw everyone’s attention.

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I, Konoha's Sage of Life
FanfictionKanda Kyoichi transmigrated to Konoha and became a temporary instructor at the Ninja Academy. Fortunately, he awakened the Mentor System. By teaching others, he could earn rewards. Thus began Kyoichi's career as a "teacher" in the ninja world. Shisu...