Zombie Life Starting from One Piece

When Liang Haigang completed his plan and became a zombie, he suddenly found himself traveling into the world of One Piece. Warring States Period: Liang Hai, are you a human being? Why can't I sense your vitality characteristics with my knowledge? Liang Hai: Well, I became like this after eating the human fruit of the phantom beast species. Kaido of the Hundred Beasts: Impossible, I saw you fighting the Neptune type in the sea last time. What are you doing as a Devil Fruit user?