is a Japanese manga series written by Jinsei Kataoka and illustrated by Kazuma Kondou, who also wrote and illustrated the Eureka Seven manga, and published in Shōnen Ace since 2008. Tokyopop acquired the licensing rights to distribute the manga in English and released the first 5 volumes of the manga before the company shut down its North American Publishing division in 2011. Viz Media announced that it had licensed the series for English language release in North America on July 7, 2013, and released the first volume on February 11, 2014; new volumes were released every two months thereafter. An anime adaptation aired between April and July 2011, pulling content from the first 21 chapters of the manga. The anime is licensed by Funimation and aired on Adult Swim's newly revived Toonami programming block between May and August 2012. Plot A massive anomaly caused a great earthquake that ravaged Japan's mainland and destroyed most of Tokyo, sinking three-quarters of the city into the Pacific Ocean. Ten years later, the story shifts to Ganta Igarashi, a seemingly ordinary 9th grader attending Nagano Prefecture's middle school. As an escapee, a survivor of the great earthquake, Ganta has no memories of the tragedy and has lived a normal life. This all changes when a strange person covered in blood and crimson armor floats through his classroom windows. Grinning madly, the "Red Man" massacres Ganta's entire class. Instead of killing him, the "Red Man" embeds a red crystal shard in Ganta's chest. Within days of the massacre, Ganta is placed on trial as a suspect. Due to the evidence rigged against him, he is sentenced to death at Deadman Wonderland, a prison that doubles as a theme park and is run by the warden Tsunenaga Tamaki (who posed as Ganta's lawyer and was secretly responsible for the rigged evidence against him). Arriving at the prison, Ganta is fitted with a special collar which monitors his location and vital signs. A lethal poison is constantly injected into his bloodstream through the collar, but it can be neutralized by consuming a peculiar candy-like medicine every three days, which can be acquired through various activities in the prison, e.g. performing for audiences, working backstage and purchasing with Cast Points (a form of currency among inmates at Deadman Wonderland). To gather Cast Points, an inmate must perform in the facility's lethal games and survive. Fortunately for Ganta, he