Otoko Ippiki Gaki Daishou

Otoko Ippiki Gaki Daishou (男一匹ガキ大将) is a manga series by Hiroshi Motomiya. It was serialized in Weekly Shonen Jump. An anime series was also produced by AT-X.

Plot
Oddball Junior High Student Mankichi Togawa accompanied by the one eyed Ginji, sets out on a quest to become the number one gang leader in Japan.