Teaching at Konoha, Then Standing Above the Heavens

Mu Yue transmigrates into the Naruto world, becoming a chunin instructor at Konoha's Ninja Academy—and a member of the Root organization. Lucky for him, the Teacher System awakens: the more he teaches, the stronger he gets. Determined not to be Danzo's disposable pawn, he throws himself into teaching to build his power. "First A-rank teaching completed. Reward: Fire Nature Transformation Mastery." "Under your guidance, Uchiha Shisui trains relentlessly, his overall strength soaring. Reward: Sage Body!" Through Mu Yue's lessons, Shisui realizes that the village's enemies might not be other grea…