Rokudenashi Blues
Rokudenashi Blues (Japanese: ろくでなし BLUES, Hepburn: Rokudenashi Burūsu; lit. 'Good-for-Nothing Blues') is a Japanese boxing-themed yankī manga series written and illustrated by Masanori Morita. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from May 1988 to February 1997, with its chapters collected in 42 tankōbon volumes.