20th Century Boys follows Kenji and his childhood friends who must stop a global disaster foretold in their youth. A bizarre cult and a mysterious symbol connect their past to a looming threat.

As convenience store manager Kenji discovers a childhood friend's mysterious suicide, memories from his past rush back. He soon links this new death to a bizarre cult gaining influence, implicated in several murders and disappearances.
With humanity facing extinction at the turn of the millennium, Kenji reunites with his old buddies. Together, they embark on a gripping quest to uncover the truth behind the symbol and save the world from an unfolding disaster.

20th Century Boys: Kenji and childhood friends face a cult tied to their past symbol, needing to avert a global disaster. A complete mystery thriller manga.

20th Century Boys, Naoki Urasawa, Kenji, Childhood Friends, Cult, Symbol, Millennium, Mystery, Thriller, Completed Manga