There is an old legend in the uchiha clan about a child born with great power and that child is you (Y/N) uchiha and you're the twin brother of sasuke uchiha and unlike him you will have white hair and blue eyes and you will have a tails beast seal in side of you and also you will have the power of the rinnegan

An 18 Year Old Named 'Kai Smith' Got Hit by an Truck and Died. Until He was Reincarnated into the World Of Naruto. [Warning: OP OC]