Ninja school teacher, I can become strong by teaching
Mu Yue traveled to the Hokage world and became a ninja teacher in the ninja school, awakening the teacher system, and teaching can become stronger.
"Complete the teaching with a rating of A for the first time and get a reward - Fire Attribute Chakra Nature Change Mastery!"
"Your teachings have made Uchiha Shisui's mind more mature, learn to think independently, and get a reward - the immortal body!"
"Your disciple Uchiha Shisui opens the Sharingan and gets a reward - Six Eyes!" …… Years later, the Six Dao Immortal Chakra temporarily woke up and began to check how Kaguya's seal was, only to find that Kaguya was being beaten by Mu Yue and a group of students.
Six Immortals: 6 (PS: There are 21,780,000 high-quality Naruto old books in high order, quality assurance)