One Piece: Parasite God

[Soul Penetration] + [One Piece] + [No System] + [Original Fruit] The soul of a middle-aged salesman with a middle-aged heart traveled through the world of One Piece and possessed Arthur Wilson, a down-and-out aristocratic boy. He was in a desperate situation at the beginning. When he was about to die, he swallowed a devil fruit, but he did not expect that he could not change the predicament. After regaining his life, he would interpret a new life under the start of this collapse~