Naruto: I Became Sasuke's Golden Finger!

Bad news: I'm dead.

Good news: I traveled through time and space, and I have a golden finger.

Bad news: the gold finger is broken.

Good news: Goldfinger and I have merged, and I am still alive.

The bad news: I have to tie someone else up.

Good news: I am bound to Uchiha Sasuke.

Li Guang, an ordinary man, was sent to the Naruto world by a dump truck because he saved someone. He originally thought that he could step on Sasuke and Naruto, punch Hashirama and Madara, and subdue Tsunade, Kurenai Yuhi, Hinata, Sakura and others.

Unexpectedly, his system broke during the time travel and accidentally merged with him, forcing him to bind to someone, otherwise the system would collapse.

There was no other choice, Li Guang had to bind Sasuke!

…

Years later, Sasuke became the strongest in the ninja world, mastering swordsmanship, Susanoo, senjutsu, space ninjutsu, and even time ninjutsu. He defeated Uchiha Madara with Susanoo, and his senjutsu put Hashirama to shame. Naruto drooled in envy at his ninjutsu. Ultimately, Sasuke unified the ninja world, bringing lasting peace to a world ravaged by millennia of war.

After that, he usually killed alien Otsutsuki when he had nothing to do, and by the way, he also took in a girl named Otsutsuki Kaguya as his maid.

All of this started from the day when Li Guang bound Sasuke.

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