Rainbow

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. The story is set in the 1950s and focuses on seven juvenile delinquents in the Shōnan Special Reform School's Block 2, Cell 6. These are Mario Minakami, Noboru Maeda (nicknamed Cabbage), Tadayoshi Toyama (Soldier), Ryuuji Nomoto (Turtle), Jou Yokosuka (Uncovered), and Mansaku Matsuura (Joe). They encounter Rokurouta Sakuragi, an older inmate they call “Bro,” who guides and protects them. The manga depicts their harsh experiences in the reform school, including their struggles against sadistic guards and the injustices they face. It also shows how the boys form deep friendships, and the challenges they encounter after their release from the school. The manga won the 51st Shogakukan Manga Award in the General Category. An anime adaptation, produced by Madhouse Studios, aired in 2010.