Fugaku

Our protagonist who is a regular otaku dies in his world and obtains the body of a new child who is only one year old during the third great ninja war.

Drake, the most ruthless killer has abandoned his job and lives his life watching anime. One day while going on shopping one of his enemy kills him and his soul is sent to one piece by god. Watch how Drake dominates the anime worlds. [Note : The timeline has been changed so bear with it.]