Crows(クローズ,Kurōzu?) is a Japanesemanga series by Hiroshi Takahashi about high school delinquents, which takes place in the same universe as Worst. As of October 2007, it had sold more than 32 million copies worldwide.
Crows follows the story of Harumichi Bouya, who is a newly transferred high school sophomore at Suzuran All-Boys High School. Wits and endurance are the only school supplies necessary. Tests are taken on the battlefield, and only those left standing pass.