Tags: Manga.
20th Century Boys (20世紀少年 Nijūseiki Shōnen) is a Japanese manga series written and illustrated by Naoki Urasawa. It was originally serialized in Big Comic Spirits from 1999 to 2006 with the 249 chapters published into 22 tankōbon volumes by Shogakukan. In January 2007 a sequel titled 21st Century Boys (21世紀少年 Nijūisseiki Shōnen) ran until July for 16 chapters which were gathered into 2 tankōban.