I Became a Ninja in One Piece

Ye Ye was in a car accident while saving someone. When he woke up, he found himself in the world of Pirate King, only to discover, to his amazement, that both this world and his golden finger had been written by him!

With Hashirama in his left hand and Madara in his right, he stood atop the Ten-Tails' head and shouted to the tens of thousands of shinobi beneath the light of the Eye of the Moon: “Let’s take over this world and rebuild the Land of Shinobi!”