Mu Yue traveled to the world of Naruto and became an ordinary chuunin teacher at Konoha Ninja School and a member of the Root Organization.

Fortunately, after awakening the teacher system, you can become stronger by teaching.

In order not to become Danzo's consumables, Mu Yue worked hard to teach and increase her strength.

"Complete the teaching rated A for the first time and receive the reward - mastery of fire attribute chakra properties change."

"Under your guidance, this disciple has worked hard to practice, and his overall strength has been greatly improved, and he has been rewarded - the Immortal Human Body!"

From then on, there was a teacher in the ninja world who only wanted to make his students strong.

Shisui was not blinded by Danzo, and he successfully prevented Uchiha from annihilation.

When Metkai met the Seven Ninja Swordsmen, he no longer watched helplessly as Metkai opened the door to death and fought hard.

Obito defeated Uchiha Madara's conspiracy and did not turn into a psychopath. He was still the enthusiastic young man who was eager to help others and wanted to become Hokage.

(ps: There is a high-quality old book on Naruto with 21.78 million words, quality guaranteed)

Kitazawa, a three-no traveler, a mediocre Chunin, taught at the Konoha Ninja School in order to survive to the end. After twenty-one years, he suddenly got a very wrong system. [Congratulations to the host for turning six, the strongest Hokage training system is open. ] "I finally got lucky? Wait, look at my eyes, this is six years old?" [Task 1: Help your deskmate Hinata Hyuga to get back the scarf. ] [Task 2: Graffiti on the Hokage Rock with your classmate Naruto Uzumaki. ] [Task 3: Defeat Uchiha Sasuke and dominate the Ninja School. ] [Task 4: Become the new three ninjas with Naruto and Sasuke, and worship Tsunade as your teacher. ] "Answer me, is it appropriate for a 21-year-old teacher like me to do this kind of task? I won't do it even if I jump from here!" [Task reward: Konoha Uzumaki...