About “Rainbow: Nisha Rokubō no Shichinin”
Rainbow: Nisha Rokubō no Shichinin is a Japanese manga series written by George Abe and illustrated by Masasumi Kakizaki. It was serialized in Weekly Young Sunday from 2002 to 2008 and in Weekly Big Comic Spirits from 2009 to 2010. The series was later collected into 22 tankōbon volumes. The story is set in the 1950s and follows six junior delinquents who are sent to the Shōnan Special Reformatory. There, they face harsh conditions and struggle to deal with the injustices they experience. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.