Naoki Urasawa is a Japanese manga artist and musician. He has been drawing manga since he was four years old, and for most of his professional career has created two series simultaneously. The stories to many of these were co-written in collaboration with his former editor, Takashi Nagasaki. Urasawa has been called one of the artists that changed the history of manga and has won numerous awards, including the Shogakukan Manga Award three times, the Tezuka Osamu Cultural Prize twice, and the Kodansha Manga Award once. By December 2021, his various works had over 140 million copies in circulation worldwide.