Night of Genocide: a Demonic Knife with Thousand Blades at the Beginning

On the night of genocide, he accidentally traveled to the world of Naruto. What followed was a system of communication between the heavens. Chen Yu was overjoyed and was qualified to draw the psychic card. It turned out to be Shadow Assassin Seven from Assassin Five, Six and Seven! Just after binding the system, Uchiha Itachi discovered Chen Yu. After the battle between the two, Chen Yu left Konoha and founded the Assassin Legion in the ninja world! The Akatsuki Organization, the Ninja Alliance, and the Assassin Legion became the three major forces in the ninja world. Chen Yu led his men to defeat the ninja world one by one. Since then, there has been a legend about assassins in the ninja world. The codename: Shadow Assassin Seven has become a terrifying existence for countless people. Uchiha Madara said: "Chen Yu, also known as Shadow Assassin Seven, is a man who dances on the tip of a knife. Don't be an enemy of him! He is much more terrifying than Hashirama." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.