One Piece Manga vol.57 Establishes New Japan Record of First Printing

According to Mainichi news, the first printing of the volume 57 of One Piece manga were three million copies and it broke the Japanese record of "Harry Potter and the Order of the Phoenix" (2.9 million copies in 2004). The total number of the printings of the whole series are 185.6 million copies.

Source: Mainichi