Naruto: Getting Stronger by Idling

Description

Ye Yu transmigrates to the Naruto world as a Konoha Ninja Academy student, binding the [Idle System]. [Idle for a day: Extract chakra, break chakra limits!] [Idle for a month: Master taijutsu, comprehend Eight Gates, become a taijutsu master!] [Idle for a year: Master ninjutsu, grasp its secrets, break Kage-level limits!] … [Idle for three years: Comprehend yin-yang secrets, turn void into reality, forge a perfect sage body!] Chakra, taijutsu, ninjutsu, bloodline limits… No effort needed—idling makes you stronger! One day, Ye Yu steps into the Six Paths realm! The ninja world trembles, and Jiraiya is shocked: 'You never trained, yet your ninjutsu is this strong—how?!'