So, let's begin with the list of those top 20 anime storyline. . One Piece. One Piece is all about following your heart to the end of the world. . Monster. ... . Fullmetal Alchemist: Brotherhood. ... . Code Geass: Lelouch of Rebellion. ... . Naruto. ... . Attack on Titan. ... . Hunter x Hunter. ... . Cowboy Bebop. ... More items... Sep 13, 2020