As part of the 50th anniversary, the “Vol. 0” book, which contains all six versions of the first "Doraemon" episode, was published in 2019, becoming a best-seller at 600,000 copies.

One Piece anime has 1122 episodes over 21 seasons. There are also 15 One Piece movies, 15 specials, 5 OVAs, and 4 One Piece shorts, divided into ten different sagas. With all that content, it is not ...