Rainbow: Nisha Rokubō no Shichinin (RAINBOW 二舎六房の七人), is a Japanese manga series written by George Abe and illustrated by Masasumi Kakizaki. It was serialized in Shogakukan's manga magazines Weekly Young Sunday (2002–2008) and Weekly Big Comic Spirits (2009–2010), with its chapters collected in 22 volumes. The story is set in the 1950s and focuses on six junior delinquents sent to the Shōnan Special Reformatory. They learn to cope with the atrocities and unfairness they encounter there.
A 26-episode anime television series adaptation produced by Madhouse and directed by Hiroshi Kōjina was broadcast on Nippon TV from April to September 2010.
The manga has had over 3.3 million copies in circulation. In 2006, Rainbow won the 51st Shogakukan Manga Award in the general category.
Synopsis
In 1955, there were six boys who committed crimes and fell into the Shōnan Special Reformatory, block 2, cell 6. The story follows the boys' lives during their time in the reformatory and the years after they leave, highlighting the struggles the lower class faced in post-war Japanese society.
The manga is divided into four story chapters: chapter one is set in 1955–56; chapter two in 1957–58; chapter three in 1960–64; and chapter four in 1953–55 and 1964–68. Tokyo and Shōnan are the main settings.