Naruto: I Became the Closed Disciple of Granny Chiyo

A modern person traveled to the world of Naruto and became Chiyo Ryuun, the close disciple of Chiyo's mother-in-law. Chiyo Ryuun originally wanted to live an ordinary life, but who would have thought that he would finally activate the system before the Chunin Examination came. Tsunade said: "Chiyo Ryuun is the best in medical ninjutsu." Naruto said: "Seeing Chiyo Ryuun's ninjutsu, I never want to rub balls all day again." Sasuke said: "Brother is nothing. Only when you defeat Chiyo Ryuun can you be considered a true ninja." … This is a story about conquering the ninja world with a system. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.