Immortal Method Starts with Thousands of Signings

Kaijun inexplicably traveled to the world of Naruto, and the existence of Kei Uchiha happened during the Third Ninja War. This is terrible, how can we survive in this cruel ninja world? Fortunately, he awakened the sign-in system, obtained the True Thousand Hands, obtained the Eternal Mangekyō Sharingan, obtained the Sunen Zuohu, what, and also obtained the Byakugan. What about the Sharingan? As a time traveler, of course he wants them all! This book is invincible. The plot of Naruto is very different from the original work. Please don't get too entangled! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.