Naruto: Do ​​It Again a Billion Times

The most popular fan fiction in 2020: Travel through the world of Naruto and become the young master of the Senju clan, "Rope Tree". At the same time, he awakens to the "billions of times more system", and his life becomes a mess. Practice "Shuriken" once, activate the skill 100 million times, and complete 100 million Shuriken training in an instant... Awakening Ninja Technique: Enhanced version - "Shuriken Shadow Clone". Sarutobi Hiruzen: "It is far more powerful than my shuriken shadow clone, no... This is definitely not a shuriken shadow clone, absolutely not!" Many years later, when the arrogant Uchiha Madara faced the rope tree, he was shocked: "Today... Is the darkest day in my ninja career... And the last day!!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.