How to Train your Genin

All it takes is one man, to change the course of history. On a chilly evening, a stranger rumored to be the Master of Death appeared in Konoha and became a Hanshi, a 'Teacher of Teachers' to the Rookie-12. The Shinobi world was never the same again. Years later, Konohamaru tries to resolve the mystery behind his disappearance. (HP X Kurenai).