One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.
Cherry blossoms, or sakura, are a national symbol of Japan and are celebrated each spring with picnics and festivals.
The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.
