You Are so Strong but You Insist on Carrying Out Sneak Attacks in the World of Naruto

Uchiha Arashi disliked the system because it was too weak. Unexpectedly, the system directly locked him. He finally unlocked it, but it turned out to be a thousand-year-old killing system! Others are fighting, Lan is stealing the anus Others are practicing, while Lan is stealing chrysanthemums Kaguya's resurrection? The reverse harem technique is not enough, Lan said: a thousand years of killing can be done in one second! Kakashi looked at his hands and fell into deep thought: It turns out that the strongest ninjutsu I created is the Thousand-Year Kill!