Synopsis

Kyōichi transmigrated to Konoha and became a temporary teacher at the ninja academy, fortunately, he awakened a mentor system. By teaching others, he can earn rewards. So, Kyōichi began his career as a "teacher" in the ninja world.

Shisui: "The teacher's unique Will of Fire has truly helped the Uchiha find their direction!"
Asuma: "The heart of our responsibility, akin to a precious jewel, lies in protecting the people. With the experienced ones leading those who come after, only in this way can Konoha truly become stronger."
Kakashi: "He is my life mentor, he changed Konoha!"
...
Many years later, Kyōichi, as Hokage, wrote in his memoirs - I really just wanted to be a life mentor!

* AU

* Translated from Chinese fanfic