One Piece: I am Imu

Transmigrate to the world of One Piece, reincarnate as Saint Imu; Control the world government and sit on the throne of the void. He obtains the star map of the omniverse and contemplates the sea of dimensions. Gather all individual combat power, military power, financial resources and all material resources to open the star gate, conquer all dimensions, and break the limit of individual power! Unite or be destroyed, how to choose? — Description from novelcodex.org