I, Sasuke, pass through Naruto

Travel to the world of Naruto and become Uchiha Sasuke, and obtain the strong iron-rolling system. Taking in a younger brother can obtain the younger brother’s physique and ninjutsu, and the iron-rolling can increase the strength, agility, and chakra attributes!

Pain: “Are you Sasuke Uchiha?”

Sasuke: “Wrong, I am Uchiha Big Man Sasuke”

Itachi: “…I don’t know him…I don’t know him”

Sasuke: “Senju Hashirama! Be my little brother!”

Hashirama: “You reincarnated me because of this!?!?”

Sasuke: “Look at me pulling up the weeping willow trees!”