Newly orphaned Dipper Pines and his twin sister Mabel get pushed into a world of violence they never knew existed when they're forced to move in with their Great Uncle. Upon learning of the city-wide split caused by rivaling mobs, Dipper accidentally gets himself stuck.
{TRIGGER WARNING: Suicide Mention, Drug Abuse/Mention, Death/Mention, Self Harm/Mention, Alcoholism, Smoking, Violence, Weapons, Mobs, Schizophrenia, Paranoia, Anxiety, Depression, Cursing; This story is extremely dark. This is no fluffy happy fanfiction, and barely any of it will be happy, don't say I didn't warn you.}
Kanda 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.
Shisui: "Sensei's unique interpretation of the Will of Fire has given the Uchiha Clan a true sense of direction!"
Asuma: "The essence of the jade lies in protecting the people, with the advanced leading the way for the less experienced. Only then can Konoha become stronger!"
Kakashi: "He's my life mentor. He transformed Konoha!"
...
Years later, in the memoirs of Kyoichi, now the Hokage, he wrote:
"I honestly just wanted to be a life mentor!"