One Piece: Supreme Control

Rebirth the Pirate World and become a Tianlongren. With the swordsman system, he will eventually become the One Piece, controlling everything and adding the crown to his body.
Come to the future time and space where Trunks is, and become a thoroughbred Saiyan. With bloody battles and endless powerful characters, when my goal is to become a god, what kind of story will usher in?