One Piece: Caesar Curran's Fantastic Beasts Study

Introduction: Wu Tongan traveled to the world of One Piece while executing a white mouse and became Caesar Cullen. Being numb to biological experiments, he regained his original intention in the new world and began to conduct "scientific" research on various wonderful creatures in the world of One Piece. Devil Fruit? Slice! Neptune type? Slice! The person who awakened the ability of the animal fruit? Slice! ...slice, slice, slice!