20th Century Boys: The Perfect Edition manga volume 11 features story and art by Naoki Urasawa.

There once was a kid who imagined the end of the world. It was all a child's game—but not anymore! The Friend is carrying out his plan to exterminate humanity—just as predicted. And the man who survived Bloody New Year's Eve is on his way back to Tokyo. The boys are coming back together one by one as they race toward the final battle.