20th Century Boys is a science fiction manga created by Naoki Urasawa. The manga counts 249 chapters in 17 released volumes. It takes place in 1969-70, 1997, 2000 and 2015. The story takes place mainly in Tokyo, or Neo Tokyo (after Bloody New Year's Eve). It has been released in Big Comic Spirits monthly and the volumes were taken care of Shogakukan in Japanese and by Viz Media in English. A live movie adaption is made by Yukihiko Tsutsumi in a trilogy. The first movie was released in 2008 and the following two in 2009.