20th Century Boys [Vol.1-22] and 21th Century Boys [Vol.1-2] (Big Comics)

20th Century Boys is a science fiction mystery manga. In 1969, young boys Kenji, Otcho, Yoshitsune and Maruo builds a secret base for their friends to get together to share manga, stolen porn magazines and listen to a radio. To celebrate the event, Otcho draws a symbol for the base, that would represent their friendship. They imagine a future scenario where villains would try to destroy the world, and in which the boys would stand up and fight; this scenario is transcribed and labeled "Book of Prophecy." The series itself opens in the late 1990s, where Kenji is a convenience store owner, finding solace in his childhood adventures. One day Kenji stumbles upon a large cult led by a man known only as "Friend." The cult has a plan to destroy the world on New Year's Eve of 2000, and the events that are currently unfolding are suspiciously close to the plan documented in the "Book of Prophecy." Kenji begins to recruit some of his older friends, including Otcho and Yoshitsune, in an attempt to stop "Friend."

[B6版] 日本が高度成長期のまっただ中の1970年代。夢と希望に満ちあふれた時代。少年たちが空想した世界。地球滅亡をもくろむ悪の組織、東京を破壊し尽くす巨大ロボット。世界は混沌とし、滅亡に向かっていく。それに立ち向かい地球を救う、勧善懲悪の正義のヒーローとその仲間たち。こんな下らないストーリーを"よげんの書"と、少年たちは名付けた。大人になるにつれ、そんな空想の記憶は薄れていく。